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NASA’s Mars helicopter Ingenuity’s first official flight rescheduled for early Monday

NASA officials said Saturday they’re targeting Monday, April 19, for a historic flight of a small helicopter on Mars that was postponed last weekend due to a technical problem.

The 4-pound helicopter named Ingenuity is now scheduled for approximately 12:30 a.m. PDT Monday.

A livestream will begin at 3:15 a.m. PDT as the helicopter team prepares to receive the data downlink in the Space Flight Operations Facility at NASA’s Jet Propulsion Laboratory in La Cañada Flintridge, NASA said Saturday, April 17.

Ingenuity was designed and built at JPL. Simi Valley-based AeroVironment designed most of the hardware. More

100-Million-Year-Old Seafloor Sediment Bacteria Have Been Resuscitated

In 2010, Japanese scientists from the Integrated Ocean Drilling Program’s Expedition 329 sailed into the South Pacific Gyre with a giant drill and a big question.

The gyre is a marine desert more barren than all but the aridest places on Earth. Ocean currents swirl around it, but within the gyre, the water stills and life struggles because few nutrients enter. Near the center is both the Oceanic Pole of Inaccessibility (made famous by H.P. Lovecraft as the home of the be-tentacled Cthulhu) and the South Pacific garbage patch. At times the closest people are astronauts passing above on the International Space Station.

The sea here is so miserly that it takes one million years for a meter of marine “snow”—corpses, poo and dust—to accumulate on the bottom. The tale of all that time can total as little as 10 centimeters. It is the least productive patch of water on the planet. More

Perseverance rover flexes its arm on Mars for the 1st time

NASA's Perseverance rover has spent a busy two weeks settling into its new home on Mars, most recently flexing its robotic arm for the first time.

Perseverance touched down on the Red Planet on Feb. 18 to begin work looking for traces of ancient life and selecting rock samples for a future mission to carry to Earth's laboratories for much more thorough examination. But before "Percy" sets off on those scientific adventures, the car-sized robot must first warm up, so to speak, testing its components and confirming nothing was damaged during the perilous landing.

"This week I’ve been doing lots of health checkouts, getting ready to get to work," NASA officials wrote in an update from the rover's Twitter account posted on March 3. "I’ve checked many tasks off my list, including instrument tests, imaging, and getting my arm moving." More

Part Robot, Part Frog: Xenobots Are the First Robots Made From Living Cells

The African clawed frog, Xenopus laevis, typically lives in the streams and ponds of sub-Saharan Africa, scavenging for food that it rips apart with its feet. In January, researchers at the University of Vermont and Tufts University published a report that gave the amphibian a different lot in life. They harvested its embryonic skin and heart cells and reassembled the living matter into robotic devices — transforming Xenopus into xenobot.

Xenobots are the first robots made completely of living materials. They’re designed on a supercomputer running software that emulates natural selection: Algorithms determine possible effective tissue configurations for a xenobot to perform a specified task, such as moving through fluids or carrying a payload. The most promising designs are sculpted with tiny forceps and cauterizing irons, then set free in petri dishes, where the specks of amphibian flesh live for about a week before decomposing. There are no electronics involved. More

Life after death: Physicist Michio Kaku says digital immortality is 'within reach'

Scientists have been trying to find out whether life after death is real for centuries. Most of the world's religions describe some form of an afterlife but the world of science has not reached a verdict on the issue just yet. However, outside the realm of metaphysics, scientists are exploring how technology could extend our life after death.

Michio Kaku, best-selling author and professor at The City College of New York, believes life after death can be achieved through digital means.

This does not mean science will one day allow us to stand before the Pearly Gates but, rather, technology will be able to immortalise our memories, personalities and quirks in a way that will be accessible for future generations. More

The Milky Way is probably full of dead civilizations

Most of the alien civilizations that ever dotted our galaxy have probably killed themselves off already.

That's the takeaway of a new study, published Dec. 14 to the arXiv database, which used modern astronomy and statistical modeling to map the emergence and death of intelligent life in time and space across the Milky Way. Their results amount to a more precise 2020 update of a famous equation that Search for Extraterrestrial Intelligence founder Frank Drake wrote in 1961. The Drake equation, popularized by physicist Carl Sagan in his "Cosmos" miniseries, relied on a number of mystery variables — like the prevalence of planets in the universe, then an open question. More

Study: Birds Are Linked to Happiness Levels

A new study reveals that greater bird biodiversity brings greater joy to people, according to recent findings from the German Center for Integrative Biodiversity Research. In fact, scientists concluded that conservation is just as important for human well-being as financial security.

The study, published in Ecological Economics, focused on European residents, and determined that happiness correlated with a specific number of bird species.

"According to our findings, the happiest Europeans are those who can experience numerous different bird species in their daily life, or who live in near-natural surroundings that are home to many species," says lead author Joel Methorst, a doctoral researcher at the Senckenberg Biodiversity and Climate Research Center, the iDiv and the Goethe University in Frankfurt. More

This Smart Toilet Will Know You by the Shape of Your Asshole

AYour butthole is like a snowflake: No two are exactly alike.

At least, that's the crux of a new scientific paper outlining the mechanisms for a smart toilet that identifies poopers based on video clips of their unique anuses.

Stanford researchers have created the panopticon of looking up your own ass, with a "smart toilet" that monitors your health by analyzing your stool, urine, and the timing of both, using four cameras and an array of sensors and identification systems. The paper, "A mountable toilet system for personalized health monitoring via the analysis of excreta," was published Monday in the journal Nature. More

How one MILLION people could live on the Red Planet

More than 87,000 people revealed their creative side as they tried to design the perfect Mars colony in the HP Mars Home Planet Rendering Challenge.

The winning entries were hand picked from the huge array of futuristic-looking, idealistic city designs - which had to show how they could support up to one million residents.

The competition challenged participants to “reinvent life on Mars” for the next giant leapt of mankind – Martian colonisation. Organised by tech company HP, the initiative pulled in architects, designers, artists and engineers from all over the globe. More

Cave Paintings Discovered Deep in Amazon Forest: The Sistine Chapel of Ancients

Tens of thousands of pristine cave paintings were recently found daubed across an eight-mile stretch of rock in a once-in-a-century discovery in Colombia’s Amazon rainforest.

Hailed as the “Sistine Chapel of the Ancients,” it’s the kind of discovery that changes the world of archaeology.

Believed to be 12,500 years old, the art is extremely detailed, and includes handprints and depictions of Ice Age megafauna like the mastodon, a relative of the mammoth, Ice Age horses, and giant ground sloths. More

Solar power stations in space could be the answer to our energy needs

It sounds like science fiction: giant solar power stations floating in space that beam down enormous amounts of energy to Earth. And for a long time, the concept – first developed by the Russian scientist, Konstantin Tsiolkovsky, in the 1920s – was mainly an inspiration for writers.

A century later, however, scientists are making huge strides in turning the concept into reality. The European Space Agency has realised the potential of these efforts and is now looking to fund such projects, predicting that the first industrial resource we will get from space is “beamed power” More

Natural Organisms in Soil Can Power Lights With This Bio Battery

Plants already give us oxygen to breathe, but what if they could give us electricity, too? This Spanish start-up has made a bio-battery that generates electricity from soil microbes and is using plants to change the way we think of renewable energy.

In 2016, Google named Bioo (bee-oh) the most disruptive start-up of the year. The Spanish company created a bio battery that uses microbes in the soil that feed on decaying plant matter to generate enough electricity to turn on a light and power small appliances.

This is the most sustainable form of energy yet, as these microbes never stop working, never run out, and the product requires none of the potentially harmful chemicals and materials that traditional solar panels require. More

Smile, wave: Some exoplanets may be able to see us too

Three decades after Cornell astronomer Carl Sagan suggested that Voyager 1 snap Earth's picture from billions of miles away—resulting in the iconic Pale Blue Dot photograph—two astronomers now offer another unique cosmic perspective:

Some exoplanets—planets from beyond our own solar system—have a direct line of sight to observe Earth's biological qualities from far, far away.

Lisa Kaltenegger, associate professor of astronomy in the College of Arts and Sciences and director of Cornell's Carl Sagan Institute; and Joshua Pepper, associate professor of physics at Lehigh University, have identified 1,004 main-sequence stars (similar to our sun) that might contain Earth-like planets in their own habitable zones—all within about 300 light-years of Earth—and which should be able to detect Earth's chemical traces of life. More

Why bat scientists are socially distancing from their subjects

There’s nothing Winifred Frick likes better than crawling through guano-filled caves and coming face-to-face with bats. As chief scientist of Bat Conservation International, she is on a mission to promote understanding of bats and protect imperiled species from extinction.

For months, though, Frick has avoided research that would put her within spitting distance of bats. Her only projects to persist through the pandemic have been conducted from afar, like using acoustic monitors to eavesdrop on the animals’ squeaks and swooshes. In an era of COVID-19, that “hands-off” approach and other precautions are crucial to protect both bats and people, Frick, a biologist at the University of California, Santa Cruz, and over two dozen other scientists argue online September 3 in PLOS Pathogens. More

NASA’s OSIRIS-REx survived its risky mission to grab a piece of an asteroid

NASA’s OSIRIS-REx spacecraft is a cosmic rock collector. Cheers erupted from mission control at 6:12 p.m. EDT on October 20 as scientists on Earth got word that the spacecraft had gently nudged a near-Earth asteroid called Bennu, and grabbed some of its rocks to return to Earth.

“The spacecraft did everything it was supposed to do,” said mission principal investigator Dante Lauretta of the University of Arizona in Tucson on October 20 on a NASA TV webcast. “I can’t believe we actually pulled this off.” More

Beaked whales can hold their breath for over 3 hours (and possibly longer)

How long can you hold your breath? Even your best efforts can't come close to the breath-holding superpower of a Cuvier's beaked whale.

These whales were already known to dive deeper and longer than any other mammal, but new research shows that their marathon dives can last even longer than once thought.

When scientists recently examined data from thousands of whale dives, they found that one of these extreme divers held its breath for more than 3 hours, shattering the previously reported record — also held by the Cuvier's beaked whale (Ziphius cavirostris) — by over an hour. More

Futuristic ‘Flying-V’ Airplane Makes Successful Maiden Flight, to Be Tweaked for Passenger Use

Researchers have conducted a successful maiden flight of the “Flying-V,” a futuristic and fuel-efficient airplane that could one day carry passengers literally housed in its wings.

The Flying-V’s unique design places the passenger cabin, the cargo hold, and the fuel tanks in the wings, and experts hope that the plane’s aerodynamic shape will cut fuel consumption by 20 percent compared to today’s aircraft. Researchers have conducted a successful maiden flight of the Flying-V, a futuristic and fuel-efficient airplane that could one day carry passengers in its wings. More

Scientists Sequence Y Chromosome DNA of Denisovans and Neanderthals

A growing number of ancient DNA studies on Neanderthals, Denisovans and Homo sapiens suggest intertwined evolutionary and population histories, including several admixture events between early modern and archaic humans.

However, ancient nuclear and mtDNA sequences revealed phylogenetic discrepancies between the three groups that are hard to explain.

For example, autosomal genomes show that Neanderthals and Denisovans are sister groups that split from modern humans more than 550,000 years ago. More

Paradox-Free Time Travel is Mathematically Possible

“Classical dynamics says if you know the state of a system at a particular time, this can tell us the entire history of the system,” said Germain Tobar, a student in the School of Mathematics and Physics at the University of Queensland.

“This has a wide range of applications, from allowing us to send rockets to other planets and modeling how fluids flow.”

“For example, if I know the current position and velocity of an object falling under the force of gravity, I can calculate where it will be at any time.” “However, Einstein’s theory of general relativity predicts the existence of time loops or time travel — where an event can be both in the past and future of itself — theoretically turning the study of dynamics on its head.” More

Why Tokyo’s New Transparent Public Restrooms Are A Stroke Of Genius

At first, it’s hard to fathom how a public restroom with transparent walls could possibly help ease toilet anxiety — but a counterintuitive design by one of Japan’s most innovative architects aims to do just that.

Around the world, public toilets get a foul rap. Even in Japan, where restrooms have a higher standard of hygiene than in much of the rest of the world, residents harbor a fear that public toilets are dark, dirty, smelly and scary.

To cure the public’s phobia, the non-profit Nippon Foundation launched “The Tokyo Toilet Project,” tasking 16 well-known architects to renovate 17 public toilets located in the public parks of Shibuya, one of the busiest commercial areas of Tokyo. More

Microbial Life on Venus? Here's What You Really Need to Know About The Major Discovery

Venus, the Evening Star, may gleam prettily in our night sky, but up close it's about as inhospitable as a rocky planet can be, with sulphuric acid rains, a suffocating CO2 atmosphere, and a surface atmospheric pressure up to 100 times greater than Earth's.

Based on our understanding of life on Earth, Venus would be among the last places in the Solar System you'd look to find living creatures. But an international team of scientists has just made a detection that might - just might - be a biosignature.

Conversely, it might be the sign of an abiotic chemical process that we don't yet know of. Or there might be some poorly understood geological process occurring on Venus. Either way, this discovery is the harbinger of one heck of a learning experience. More

Eerily realistic sex doll can smile, moan — and even hold a conversation

The next generation of sex dolls are a hot commodity thanks to the coronavirus.

A new, eerily realistic “sex robot” that can blink, smile, moan, get goosebumps and hold a conversation has been flying off the shelves since the coronavirus struck.

The dolls, sold by Sex Doll Genie and manufactured by Gynoid, are silicone-based and, according to SGD founders Janet Stevenson and her husband Amit, look and feel like a real human.

“There are lonely middle-aged men who don’t necessarily want to stroll through the dating minefield again, there are handicapped and disabled folks for whom sex dolls are convenient and non-judgmental companions, then there are couples like us who wanna add another dimension to their love-life without additional emotional baggage,” according to the website. More

U.S. Military To Replace 1970s Floppy Disks Controlling Nuclear Missiles

Oftentimes in the military, the adage “if it ain’t broke, don’t fix it,” becomes hard to argue. And in a world where threat actors from enemy nation states probe for any and every weakness, replacing a system that has been glitch and breach free for decades is a tough ask. So it is with the U.S. military’s decision to shift its Strategic Automated Command and Control System (SACCS) from 1970s tech to something more contemporary. The highly secure U.S. military messaging services has finally “dumped the floppy disk,” reported defense news site C4isrnet.

The SACCS messaging system has been used with the Minuteman intercontinental ballistic missile (ICBM) system, the land-based nuclear option operated by the U.S. Air Force Global Strike Command. It is a network of hidden underground missile silos connected by endless secure cabling. All of which has been controlled by a 1970s computer system and those disks. “This is how we would conduct nuclear war,” one senior USAF operator explains, “on eight-inch floppy disks.” More

Humans Take a Step Closer to ‘Flying Cars’

In the 1880s, the first automobile was developed and about two decades later, the Wright brothers in North Carolina invented the first successful airplane. Today, the world is closer to combining those two concepts as a Japanese tech company said it completed a manned test flight of a “flying car.”

The company, SkyDrive, said in a news release on Friday that it had completed a flight test using “the world’s first manned testing machine,” its SD-03 model, an electrical vertical takeoff and landing (eVTOL) vehicle. The flight time was four minutes, the company said. The aircraft has one seat and operates with eight motors and two propellers on each corner. It lifted about 3 meters (or about 10 feet) into the air and was operated by a pilot, the company said. More

Amber Fossil Shows ‘Hell Ant’ Was Unlike Anything Alive Today

Some 99 million years ago an ant unlike any alive today was in the midst of a savage scythe-jawed attack when dripping plant resin froze the insect, along with its prey, in a final predatory tableau.

Now, new research based on this amber-tinted window into the Cretaceous confirms that so-called “hell ants” made a killing with the help of recurved mandibles that swung upward, pinning or even impaling prey against a horn-like protrusion sticking out of its forehead. More

Tesla Prepares for Hiring Boom as Elon Musk Targets Manufacturing Expansion

Elon Musk’s plan to build Tesla Inc.’s fourth vehicle assembly factory represents the next phase in his effort to reshape the auto maker to rapidly increase the number of electric cars it can sell each year as it races to compete with global rivals.

The chief executive’s announcement Wednesday that work has already begun to prepare building a factory on more than 2,000 acres outside of Austin, Texas, marks one of the few new major car assembly plants to be built in the U.S. in the past decade, and comes while the rest of the auto industry is navigating through a global pandemic and fears of a prolonged recession. More

Norway Scientist Claims Report Proves Coronavirus Was Lab-Made

Norwegian scientist Birger Sørensen has claimed the novel coronavirus SARS-CoV-2 is not natural in origin. The claims by the co-author of the British-Norwegian study—published in the Quarterly Review of Biophysics—are supported by the former head of Britain’s MI6, Sir Richard Dearlove. The study from Sørensen and British professor Angus Dalgleish show that the coronavirus's spike protein contains sequences that appear to be artificially inserted.

They also highlight the lack of mutation since its discovery, which suggests it was already fully adapted to humans. The study goes on to explain the rationale for the development of Biovacc-19, a candidate vaccine for COVID-19 that is now in advanced pre-clinical development. More

First asteroid found within Venus’s orbit could be a clue to missing ‘mantle’ asteroids

Earlier this year, astronomers discovered an oddball asteroid inside the orbit of Venus—the first member of a predicted flock near the Sun. No bigger than a small mountain, the asteroid has now gained another distinction: It appears to be rich in the mineral olivine, which makes up much of Earth’s deep rock. Some astronomers think that is a clue to a larger set of asteroids, never properly accounted for, that was forged early in the formation of the Solar System.

“It’s improbable that we look at this new population and an olivine-dominated object is the first type we see,” says Francesca DeMeo, an asteroid hunter at the Massachusetts Institute of Technology who was not part of the discovery team. “That’s what makes this a cool result.” More

Just 50% of Americans plan to get a COVID-19 vaccine. Here’s how to win over the rest

Within days of the first confirmed novel coronavirus case in the United States on 20 January, antivaccine activists were already hinting on Twitter that the virus was a scam—part of a plot to profit from an eventual vaccine.

Nearly half a year later, scientists around the world are rushing to create a COVID-19 vaccine. An approved product is still months, if not years, away and public health agencies have not yet mounted campaigns to promote it. But health communication experts say they need to start to lay the groundwork for acceptance now, because the flood of misinformation from antivaccine activists has surged. More

SpaceX: Why Elon Musk is saying ‘your GPS just got slightly better’

SpaceX, the space exploration company headed up by Elon Musk, has just given satellite navigation a boost.

On Tuesday, the company launched a Falcon 9 rocket for its first United States Space Force mission. The rocket took off at 4:10 p.m. Eastern time from Space Launch Complex 40 at Cape Canaveral Air Force Staton in Florida. On board was a Global Positioning System satellite, more commonly known as GPS. The mission sent up the third satellite for the new GPS III project, a major upgrade to the constellation used by people around the world to find their way.

"Your GPS just got slightly better," Musk wrote on Twitter moments after the GPS III satellite was deployed. The Falcon 9 used to send up the satellite, the first flight for this specific booster, landed on the droneship Just Read the Instructions after launch. More

Archaeologists find largest-ever Mayan complex hiding in plain sight

The southern tip of Mexico is hiding a giant Mayan structure from about 3,000 years ago, new research shows. The nearly one mile-long monument may be the oldest and largest ever found from the mysterious civilization. An accomplishment of this magnitude is making scientists rethink what they know about the knowledge of the ancient Mayans.

The site, known as Aguada Fénix, was discovered in the state of Tabasco, near the Gulf of Mexico. The complex, likely used as a ceremonial center and a place of gathering, was essentially hiding under the feet of modern-day Mexicans who live above the massive structure. It's 4,600 feet (1,400 meters) long and likely dates to between 1000 and 800 BCE. That time period, specifically, the year 950 BCE, also produced another Mayan site, known as Ceibal, which was previously considered the oldest-ever ceremonial center. More

Taiwan’s Pokemon Go Grandpa upgrades array to 64 phones

A Taiwanese man who made international news headlines two years ago for using 11 phones at a time to play Pokemon Go, has since increased the size of his array to 64 smartphones.

Chen San-yuan was featured in a BBC report August 2018 after being spotted with an array of 11 smartphones mounted to the handlebars of his bicycle. At the time, Chen was planning to add 4 more phones, BBC reported. Chen was 70 years old at the time. By November that year, Chen had increased his array to 15 phones, according to a Japan Times report. More

It Turns Out That Owls Have Long Skinny Legs Under All Their Feathers

Some pictures of what hides under an owl’s majestic feathers have gone viral and are changing the way most people see these birds.

For those who have ever wondered what is hidden beneath an owl’s feathers, wonder no more. The pictures have already gone viral, and as it turns out, it’s not what you may think.

As it turns out, owls have really long, and really skinny legs. And that is a surprise to many, as there have been plenty of people reacting to the pictures online.

The reactions were mixed, with some people unable to stop giggling, and others unable to erase the mental image of the owl’s long and spindly legs. More

Researchers reveal an evolutionary basis for the female orgasm

Few things are as magical as the female orgasm, whether you are experiencing it, inducing it, or just a casual observer. It is essentially pure art in motion. Yet, there are many things we don't know about the phenomenon, scientifically speaking, such as, why it exists. Scientists have been pondering this for centuries.

Apart from vestigial organs, there are few structures in the body we don't know the function of. It seems that the clitoris is there merely for pleasure. But would evolution invest so much in such a fanciful aim? Over the years, dozens of theories have been posited and hotly debated. More

300,000-Year-Old Wooden Throwing Stick Found in Germany

The locality of Schöningen contains over 20 archaeological sites that date to the Middle Pleistocene and is well known for its exceptional preservation.

The newly-found throwing stick originates from the best-known of the sites, Schöningen 13 II-4, from which well-preserved throwing spears, a push lance and wooden tools of unknown function were unearthed in the 1990s.

“The chances of finding Paleolithic artifacts made of wood are normally zero,” said Professor Nicholas Conard, a researcher in the Department of Early Prehistory and Quaternary Ecology and the Senckenberg Centre for Human Evolution and Paleoenvironment at the University of Tübingen. More

Coronavirus: People-tracking wristbands tested to enforce lockdown

Bulgaria is the latest country to test a wristband that can track people during the coronavirus pandemic.

Up to 50 residents in Sofia will be given a device that can record their movements using GPS satellite location data.

Several nations are testing similar wristbands to make sure people are obeying orders to stay at home. South Korea and Hong Kong have also been using electronic trackers to help enforce quarantine.

The trial in Bulgaria will use Comarch LifeWristbands, developed in Poland. More

Is There a Parallel Universe That's Moving Backwards in Time?

Time, as we understand it, moves from the past to the future irreversibly. But now, an international trio of theoretical physicists is suggesting that there’s more than one future. Two parallel universes were produced by the Big Bang: ours, which moves forward in time (pictured above), and another where time moves backwards. These findings were published in Physical Review Letters in October.

In the 1920s, British astronomer Arthur Eddington coined the term “arrow of time” (sometimes “time’s arrow”), which describes the asymmetrical, one-way direction of time. Many physicists today accept that time moves in the direction of increasing entropy—or disorder, randomness, and even chaos—in an effort to approach some equilibrium among all of the things. According to this thermodynamic arrow of time, things increasingly fall apart. If that’s the case, then our universe must have began in a low-entropy, highly ordered initial state. More

The Greenest Diet: Bacteria Switch to Eating Carbon Dioxide

Bacteria in the lab of Prof. Ron Milo of the Weizmann Institute of Science have not just sworn off sugar – they have stopped eating all of their normal solid food, existing instead on carbon dioxide (CO2) from their environment. That is, they were able to build all of their biomass from air. This feat, which involved nearly a decade of rational design, genetic engineering and a sped-up version of evolution in the lab, was reported this week in Cell. The findings point to means of developing, in the future, carbon-neutral fuels.

The study began by identifying crucial genes for the process of carbon fixation – the way plants take carbon from CO2 for the purpose of turning it into such biological molecules as protein, DNA, etc. The research team added and rewired the needed genes. They found that many of the “parts” for the machinery that were already present in the bacterial genome could be used as is. More

Humans are still evolving: 3 examples of recent adaptations

Evolution is an ongoing process, although many don’t realize people are still evolving. It’s true that Homo sapiens look very different than Australopithecus afarensis, an early hominin that lived around 2.9 million years ago. But it is also true that we are very different compared to members of our same species, Homo sapiens, who lived 10,000 years ago — and we will very likely be different from the humans of the future.

What we eat, how we use our bodies, and who we choose to have kids with are just some of the many factors that can cause the human body to change. Genetic mutations lead to new traits — and with the world population now above 7 billion and rising, the chances of genetic mutations that natural selection can potentially act on is only increasing. More

Humans aren't the only species that rely on grandmothers to watch the kids: Orca grannies ensure baby whales live longer

In most animals, the end of a female's reproductive years aligns with the end of her life. In humans, however, women live long past menopause — and there's an evolutionary reason for that.

Anthropologists refer to the high survival rate of post-menopausal women as "the grandmother effect," since the presence of grandmothers boosts the chances that their kin will survive (and pass on their genetic information to future generations). That's because these older women help their children care for and feed their grandchildren.

A new study published in the journal Proceedings of the National Academy of Sciences reveals that another species benefits from the grandmother effect, too: orcas. More

Neandertals Dove Underwater to Collect Clam Shells to Use as Tools

Neandertals collected clam shells and volcanic rock from the beach and coastal waters of Italy during the Middle Paleolithic, according to a study published in the open-access journal PLOS ONE in January, by Paola Villa of the University of Colorado and colleagues.

Neandertals are known to have used tools, but the extent to which they were able to exploit coastal resources has been questioned. In this study, Villa and colleagues explored artifacts from the Neandertal archaeological cave site of Grotta dei Moscerini in Italy, one of two Neandertal sites in the country with an abundance of hand-modified clam shells, dating back to around 100,000 years ago.

The authors examined 171 modified shells, most of which had be retouched to be used as scrapers. All of these shells belonged to the Mediterranean smooth clam species Callista chione. More

Elon Musk’s Grandfather Was Head Of Canada’s Technocracy Movement

One of history’s recurring themes is that technology sometimes outruns society, leaving politicians gasping to catch up with the consequences. So it was with the impact of the printing press, the steam engine and the computer. Arguably, so it is again today with gene editing, social media and artificial intelligence.

While technologists often rail that politicians just do not “get” technology, politicians counter that technologists all too rarely grasp politics. One fascinating example of both sides of the debate was the history of the technocracy movement that briefly flourished in North America in the 1930s. The “revolt of the engineers”, as it was called, holds some interesting lessons for today. More

China's sci-tech weapons in COVID-19 fight

BEIJING, -- Dr. Bruce Aylward, team lead of the WHO-China joint mission on COVID-19, has given examples of China's scientific and technological measures taken to fight the virus:

-Routine medical services provided online

-Real-time, long-distance contact, support, investigation between experts, researchers on 5G platform

China "turbo-charged it (classic approach for infectious disease control) with modern science and modern technology in a way that was unimaginable even a few years ago," Aylward told the press on Monday. More

NASA’s 10 Ways to Celebrate Pi Day on March 14

On March 14, NASA will join people across the U.S. as they celebrate an icon of nerd culture: the number pi. So well known and beloved is pi, also written p or 3.14, that it has a national holiday named in its honor.

And it’s not just for mathematicians and rocket scientists. National Pi Day is widely celebrated among students, teachers and science fans, too. Read on to find out what makes pi so special, how it’s used to explore space and how you can join the celebration with resources from NASA. More

Elon Musk says he plans to send 1 million people to Mars by 2050

In a series of tweets on Thursday, Elon Musk revealed new details about his plan to build a city of 1 million people on Mars by 2050.

Musk said he hoped to build 1,000 Starships — the towering and ostensibly fully reusable spaceship that SpaceX is developing in South Texas — over 10 years.

That's 100 Starships per year.

Eventually, Musk added, the goal is to launch an average of three Starships per day and make the trip to Mars available to anybody.

"Needs to be such that anyone can go if they want, with loans available for those who don't have money," Musk wrote. More

NSW mobile phone cameras to switch on: Everything drivers need to know

NSW drivers who threaten lives by using mobile phones behind the wheel risk being caught by unmarked cameras as new technology rolls out across the state.

However, drivers captured flouting the law will initially be spared punishment during a three-month grace period which will see them receive a warning letter only.

Transport Minister Andrew Constance says the world-first technology targeting phone use via fixed and mobile trailer-mounted cameras would roll out from Sunday, December 1. More

Ancient humans procreated with at least four other species

Fifty-thousand years ago, humans’ romantic horizons extended far beyond other boring Homo sapiens. That’s according to a July 2019 study that describes how our ancestors often mated with other species of the the Homo genus: Neanderthals, Denisovans, and two other unnamed hominids.

The discovery was made after scientists used previous studies to create “mixing maps” — aka when and where mating between humans and other hominid species happened. Turns out that these cross-species liaisons happened at times in Europe, and at other times in Asia. More

Top 4 candidates in our solar system for terraforming

Whether you're feeling optimistic or pessimistic about humanity's long-term chances on Earth, most of us agree that we should colonize other planets. Whether that's out of humanity's sheer pioneering spirit or the pragmatic survival instinct to spread out so that a catastrophe on Earth doesn't wipe out the species, establishing a colony on a nearby planet seems like a must.

Trouble is, our neighboring celestial bodies are constantly bombarded by deadly radiation, lack water or oxygen, rain sulfuric acid, swing from extreme heat to cold, and possess many other inhospitable characteristics. No matter where we go in our solar system, we'll have to engage in one of the largest projects imaginable: terraforming. Depending on the environment we want to transform into a more Earth-like one, the nature of this project will vary tremendously. Here's some examples from some of the most likely candidates for terraforming in our solar system. More

Pentagon is investigating how it can use FISH as spies to detect underwater drones

A program in the U.S. Department of Defense is looking to recruit fish in its efforts to surveil the world's underwater terrain and enhance its ability to detect enemy ships.

By harnessing marine organisms' ability to sense even the most minute disturbances in their environments, the Defense Advanced Research Project Agency (DARPA) -- the U.S. Department of Defense's experimental research arm -- says it could be able to preemptively discover even the smallest autonomous vehicles.

Among the potential enlistees of the program called The Persistent Aquatic Living Sensors (PALS), are goliath grouper, black sea bass, snapping shrimp, and other even smaller organisms like bioluminescent plankton and other microorganisms. More

Flushing away time: tilted toilet aims to increase employee productivity

In an age of never ending work surveillance tech – from devices that track every move an employee makes to tools that measure keystrokes to determine how intensely you’re working – it feels only natural to end up here: at a toilet that does a little work-friendly kneecapping to get you off the seat in good time.

That’s right: for £150-£500 ($196-$654) you can subject your staff to having to sit at a 13-degree angle on the toilet, in the hope of getting them off it quicker. Developers at StandardToilet have determined that 13 degrees is exactly the right tilt to make your employee feel miserable on the toilet without causing any lasting pain. More

The 2010s were supposed to bring the ebook revolution. It never quite came.

At the beginning of the 2010s, the world seemed to be poised for an ebook revolution.

The Amazon Kindle, which was introduced in 2007, effectively mainstreamed ebooks. By 2010, it was clear that ebooks weren’t just a passing fad, but were here to stay. They appeared poised to disrupt the publishing industry on a fundamental level. Analysts confidently predicted that millennials would embrace ebooks with open arms and abandon print books, that ebook sales would keep rising to take up more and more market share, that the price of ebooks would continue to fall, and that publishing would be forever changed. More

Does Certified Organic Mean What We Think It Does?

There’s something of a civil war brewing in the organic movement. On one side are industry boosters boasting about how organic has gone mainstream. These folks are fine with a Big Ag version of organic agriculture—enormous monocrop fields and global distribution to every Walmart across the land.

On the other side are purists who feel that the spirit of organic—building healthy soil, promoting biodiversity, focusing on small producers and distributing regionally—is no longer represented by the USDA certified organic label (hence the various alternative organic labels popping up).

The USDA certification has never explicitly required any of those things, however. Instead, organic rules focus primarily on substituting natural fertilizers and pest control methods for chemical ones. But even here things aren’t quite as they seem. More

Relearning The Star Stories Of Indigenous Peoples

“They’re coming out,” says Wilfred Buck. “They’re starting to come out.”

It’s a freezing cold night on the shore of Lake Winnipeg in rural Manitoba, Canada, and we are waiting for the stars. It’s early May, but I’m wearing three sweaters and huddled next to a crackling, popping campfire, listening to Buck tell us the stories behind constellations I’ve never heard of until tonight.

“Right below the grandmother spider is the Pleiades, the seven sisters,” says Buck. “And that’s called Pakone Kisik. The hole in the sky. And the hole in the sky is where we come from.” More

The last mammoths died on a remote island

During the last ice age -- some 100,000 to 15,000 years ago -- mammoths were widespread in the northern hemisphere from Spain to Alaska. Due to the global warming that began 15,000 years ago, their habitat in Northern Siberia and Alaska shrank. On Wrangel Island, some mammoths were cut off from the mainland by rising sea levels; that population survived another 7000 years.

The team of researchers from Finland, Germany and Russia examined the isotope compositions of carbon, nitrogen, sulfur and strontium from a large set of mammoth bones and teeth from Northern Siberia, Alaska, the Yukon, and Wrangel Island, ranging from 40,000 to 4,000 years in age.

The aim was to document possible changes in the diet of the mammoths and their habitat and find evidence of a disturbance in their environment. The results showed that Wrangel Island mammoths' collagen carbon and nitrogen isotope compositions did not shift as the climate warmed up some 10,000 years ago. The values remained unchanged until the mammoths disappeared, seemingly from the midst of stable, favorable living conditions. More

Mars Once Had Salt Lakes Similar to Earth – “Key Ingredient of Microbial Life”

Mars once had salt lakes that are similar to those on Earth and has gone through wet and dry periods, according to an international team of scientists that includes a Texas A&M University College of Geosciences researcher.

Marion Nachon, a postdoctoral research associate in the Department of Geology and Geophysics at Texas A&M, and colleagues have had their work published in the current issue of Nature Geoscience.

The team examined Mars’ geological terrains from Gale Crater, an immense 95-mile-wide rocky basin that is being explored with the NASA Curiosity rover since 2012 as part of the MSL (Mars Science Laboratory) mission. More

Researchers “Translate” Bat Talk. Turns Out, They Argue—A Lot

Plenty of animals communicate with one another, at least in a general way—wolves howl to each other, birds sing and dance to attract mates and big cats mark their territory with urine. But researchers at Tel Aviv University recently discovered that when at least one species communicates, it gets very specific. Egyptian fruit bats, it turns out, aren’t just making high pitched squeals when they gather together in their roosts. They’re communicating specific problems, reports Bob Yirka at Phys.org.

According to Ramin Skibba at Nature, neuroecologist Yossi Yovel and his colleagues recorded a group of 22 Egyptian fruit bats, Rousettus aegyptiacus, for 75 days.

Using a modified machine learning algorithm originally designed for recognizing human voices, they fed 15,000 calls into the software. They then analyzed the corresponding video to see if they could match the calls to certain activities. More

40,000-year-old bracelet made by extinct human species found

In what is quite an amazing discovery, scientists have confirmed that a bracelet found in Siberia is 40,000 years old.

This makes it the oldest piece of jewelry ever discovered, and archeologists have been taken aback by the level of its sophistication.

The bracelet was discovered in a site called the Denisova Cave in Siberia, close to Russia's border with China and Mongolia.

It was found next to the bones of extinct animals, such as the wooly mammoth, and other artifacts dating back 125,000 years.

The cave is named after the Denisovan people — a mysterious species of hominins from the Homo genus, who are genetically different from both Homo sapiens and Neanderthals. More

The Future Looks Like Salt Reactors

A small British nuclear energy company, Moltex Energy, has raised GBP6 million ($7.5 million) through the crowdfunding investment site Shadow Fundr. The investment will allow the company to begin a pre-licensing process in Canada, conduct further business in the U.K, and continue to develop its signature technology, a stable salt reactor (SSR).

There are several varieties of nuclear fission, which are broken down by the materials they use to moderate and/or cool the intense heat given off by the process. One of these is called a molten salt reactor (MSR), which is moderated and cooled by circulating a molten salt. It's not typical table salt, but usually a mixture of lithium fluoride and beryllium fluoride. More

Scientists discover way to ‘grow’ tooth enamel

Scientists say they have finally cracked the problem of repairing tooth enamel.

Though enamel is the hardest tissue in the body, it cannot self-repair. Now scientists have discovered a method by which its complex structure can be reproduced and the enamel essentially “grown” back.

The team behind the research say the materials are cheap and can be prepared on a large scale. “After intensive discussion with dentists, we believe that this new method can be widely used in future,” said Dr Zhaoming Liu, co-author of the research from Zhejiang University in China. More

Thanks to Student’s Hunch, Seniors With Dementia Are ‘Coming Alive’ Again With the ‘Magic’ of Virtual Reality

As Reed Hayes stood inside an assisted living facility in front of an elderly man struggling with dementia, he wasn’t quite sure what to expect.

The man sat slouched in his wheelchair, unmoving, his eyes barely open. Hayes had enrolled in MIT’s Sloan School of Management with the idea of helping older adults overcome depression and isolation through the immersive world of virtual reality. Now he needed to test his idea.

Hayes turned on a virtual reality experience featuring a three-dimensional painting by Vincent Van Gogh and a classical piano playing in the background. Nervously, he placed the headset on the man. What happened next stunned everyone in the room. More

First human-monkey chimera raises concern among scientists

Efforts to create human-animal chimeras have rebooted an ethical debate after reports emerged that scientists have produced monkey embryos containing human cells.

A chimera is an organism whose cells come from two or more “individuals”, with recent work looking at combinations from different species. The word comes from a beast from Greek mythology which was said to be part lion, part goat and part snake.

The latest report, published in the Spanish newspaper El País, claims a team of researchers led by Prof Juan Carlos Izpisúa Belmonte from the Salk Institute in the US have produced monkey-human chimeras. The research was conducted in China “to avoid legal issues”, according to the report. More

Alien planets could be better suited for life than Earth

Earth’s oceans have made it the perfect environment for biodiversity, but a new study suggests that it may not have the best conditions in the galaxy.

The study suggests that exoplanets that have “favorable ocean circulation patterns” could be better suited to support a wider range of life than Earth.

“This is a surprising conclusion,” said lead researcher Stephanie Olson of the University of Chicago in a statement. “It shows us that conditions on some exoplanets with favorable ocean circulation patterns could be better suited to support life that is more abundant or more active than life on Earth.” More

Swedes are getting implants in their hands to replace cash, credit cards

Thousands of people in Sweden are having futuristic microchips implanted into their skin to carry out everyday activities and replace credit cards and cash.

More than 4,000 people have already had the sci-fi-ish chips, about the size of a grain of rice, inserted into their hands — with the pioneers predicting millions will soon join them as they hope to take it global.

“It’s very ‘Black Mirror,’” Swedish scientist Ben Libberton told The Post of the similarity to the TV series highlighting futuristic scenarios. Like glorified smartwatches, the chips help Swedes monitor their health and even replace keycards to allow them to enter offices and buildings. More

Should the Rich Be Allowed to Buy the Best Genes?

iology is the new tech. I’m at a conference in Quebec City on CRISPR, the molecular tool designed to edit genes, and it has the same vibe as the meetings of the Homebrew Computer Club and the West Coast Computer Faire did in the 1970s, except that the hip young innovators are programming with genetic code rather than computer code. Now that schools are finally realizing that every kid should learn how to code, they are going to have to switch from teaching 0101 to A.G.C.T., the four bases of our DNA.

Many of the star pioneers are here, including Berkeley’s Jennifer Doudna, who in 2012 co-discovered how to combine two snippets of RNA with an enzyme to make a programmable scissors that could cut DNA at a precise location, and Feng Zhang of the Broad Institute, who raced her to show how the tool could edit genes in humans and is now in a battle with her for patents to the technology. More

A Trip to North America's Galapagos

For weeks, I had been promising my kids they would see baby foxes. It was my way of selling our camping trip. We were headed for the remote Santa Rosa Island, off the coast of California, where a boat would drop us off for the better part of a week. While there I also planned to find time to talk to local researchers about an effort to restore the island's native cloud forests and the remarkable program that brought the island fox back from the brink of extinction.

The foxes weigh the same as two AA batteries when they are born, I told my children. And the pups can fit in the palm of your hand.

The Channel Islands, or "North America's Galapagos," as Santa Rosa and its neighboring islands are sometimes called, are home to that fox and several other rare and unique plant and animal species. It's one of the more difficult national parks to access -- a long and often choppy two-hour boat ride from Ventura. More

Facebook “Internet of Money” to Control Bill Pay, Access to Public Transportation

While Silicon valley is making a move back to cash, Facebook is pushing its cashless system on the globe.

The system, called Calibra wallet, will give the world’s population access to the “internet of money”, as well as controlling access to transportation and goods.

Facebook “… intends to open the Calibra Wallet up to additional services, so that people can pay bills, buy goods by scanning a code or accessing public transport”.

The service will reportedly allow individuals to use public transport “without the need for cash or travel passes”. More

Robots thrive in the forest on jobs that humans find too boring

From watching pulp cook for hours on end and tracking parasite bugs on satellite photos to handling lengthy legal documents, Swedish forest companies are creating new jobs they would never ask a human to do.

Packaging maker BillerudKorsnas has been an early adopter of artificial intelligence by using the technology to analyze thousands of diagrams to determine just how long it needs to cook its wood chips before they turn into pulp. While that process could be done manually, it says it would be difficult to find any human who'd be willing to spend all day just looking at such charts.

"A machine can review large data quantities and find patterns in ways we humans just find too boring," Olle Steffner, director of intellectual property management, said. "Tasks such as monitoring processes or analyzing diagrams will hardly be missed by anybody. Our staff is needed for other things." More

Your Hair Mites Are So Loyal Their DNA Reflects Your Ancestry

Most people would probably prefer to forget that their eyebrows are also shaggy ecosystems, home to scores of microscopic hair mites. But a DNA analysis reveals that your mites are incredibly loyal to you—and that could help scientists trace ancient human migrations and perhaps find new ways to treat common skin ailments.

Demodex folliculorum is a species of mite that lives in and around the hair follicles of humans and other mammals. Bowdoin College evolutionary geneticist Michael Palopoli and his colleagues sampled the DNA of these mites living on a diverse group of 70 human hosts. More

Marijuana Farms Have Found a Way to Keep Their Stink From Irking the Neighbors

Cannabis entrepreneur Autumn Shelton was growing her bud business in Santa Barbara County when she started getting complaints from neighbors about the odor coming off the plants. In order to ease relations with the community, she worked with scientists to install a new odor-capture system that could make it far easier for California marijuana farmers and homeowners to live side by side.

Working with her business partner, Shelton discovered the Bloomington, Indiana-based Byers Scientific. The company had already built odor-capture solutions for waste water treatment plants, landfills, and livestock feedlots, but cannabis was a new sector for them. Researchers at Byers were able to develop a customized version of their waterless vapor-phase system that specifically addressed the needs of marijuana farms. More

Neanderthals and modern humans diverged at least 800,000 years ago

Neanderthals and modern humans diverged at least 800,000 years ago, substantially earlier than indicated by most DNA-based estimates, according to new research by a UCL academic.

The research, published in Science Advances, analysed dental evolutionary rates across different hominin species, focusing on early Neanderthals. It shows that the teeth of hominins from Sima de los Huesos, Spain—ancestors of the Neanderthals—diverged from the modern human lineage earlier than previously assumed.

Sima de los Huesos is a cave site in Atapuerca Mountains, Spain, where archaeologists have recovered fossils of almost 30 people. Previous studies date the site to around 430,000 years ago, making it one of the oldest and largest collections of human remains discovered to date. More

Our Moon Is Shrinking and Wrinkling, Study Claims

The Moon is steadily shrinking, causing wrinkling on its surface and quakes, according to an analysis of imagery captured by NASA's Lunar Reconnaissance Orbiter (LRO) published Monday.

A survey of more than 12,000 images revealed that lunar basin Mare Frigoris near the Moon's north pole - one of many vast basins long assumed to be dead sites from a geological point of view - has been cracking and shifting.

Unlike our planet, the Moon doesn't have tectonic plates; instead, its tectonic activity occurs as it slowly loses heat from when it was formed 4.5 billion years ago. This in turn causes its surface to wrinkle, similar to a grape that shrivels into a raisin. More

Dolphin ancestor's hearing was more like hoofed mammals than today's sea creatures

Vanderbilt University paleontologists are looking into the evolutionary origins of the whistles and squeaks that dolphins and porpoises make -- part of the rare echolocation ability that allows them to effectively navigate their dark environment.

The team, one of the first in the world to examine the ability's origins, used a small CT scanner to look inside a 30-million-year-old ear bone fossil from a specimen resembling Olympicetus avitus. This member of the toothed whale family, in a branch that died out before modern dolphins and porpoises appeared, lived in what is now the state of Washington. The CT scan revealed cochlear coiling with more turns than in animals with echolocation, indicating hearing more similar to the cloven-hoofed, terrestrial mammals dolphins came from than the sleek sea creatures they are today. More

With New Tech, Treadmills Are Getting Trendy

On a recent evening, Elizabeth Ewens was in the middle of an intense run workout. Her coach told her to kick it up, so she did and received encouragement from a fellow runner. She finished the workout feeling good.

While Ewens' evening workout sounds like what running groups around the world do several nights a week, she was actually in her home, live-streaming a treadmill class, complete with motivational instructor, music and leader board, to a monitor on her screen.

"Sometimes you know you're not going to motivate yourself during a workout and you need someone to set the bar for you," the 49-year old California attorney says. More

Secret feuds and heartbreak at the centre of the historic first landing on the moon

Neil Armstrong climbed out of the lunar module simulator at NASA HQ after a particularly harrowing practice session for the upcoming Apollo 11 moon landing, promptly lit up a cigarette and announced, "Well, that's my one cigarette for the year."

"It was the only time anyone saw him smoke anything but the occasional cigar," says author Jim Donovan, whose new book Shoot For The Moon contains the definitive account of that momentous mission.

It seemed that Armstrong needed the fortification. More

Curiosity Captured Two Solar Eclipses on Mars

When NASA's Curiosity Mars rover landed in 2012, it brought along eclipse glasses. The solar filters on its Mast Camera (Mastcam) allow it to stare directly at the Sun. Over the past few weeks, Curiosity has been putting them to good use by sending back some spectacular imagery of solar eclipses caused by Phobos and Deimos, Mars' two moons.

Phobos, which is as wide as 16 miles (26 kilometers) across, was imaged on March 26, 2019 (the 2,359th sol, or Martian day, of Curiosity's mission); Deimos, which is as wide as 10 miles (16 kilometers) across, was photographed on March 17, 2019 (Sol 2350).

Phobos doesn't completely cover the Sun, so it would be considered an annular eclipse. Because Deimos is so small compared to the disk of the Sun, scientists say it's transiting the Sun. More

Massive U.S. Machines That Hunt For Ripples In Space-Time Just Got An Upgrade

Scientists are about to restart the two giant facilities in the United States that register gravitational waves, the ripples in the very fabric of the universe that were predicted by Albert Einstein more than a century ago.

Einstein realized that when massive objects such as black holes collide, the impact sends shock waves through space-time that are like the ripples in water created by tossing a pebble in a pond.

In 2015, researchers made history by detecting gravitational waves from colliding black holes for the first time — and this was such a milestone that three U.S. physicists almost immediately won the Nobel Prize for their work on the project. More

Scientists claim to have 'reversed time' with quantum computer

An international team of scientists claims to have reversed time with the help of a quantum computer.

By using electrons and quantum mechanics researchers claim they were able to turn back time in an experiment likened to causing a broken rack of pool balls to roll back into place.

The experiment used quantum computer programs to ‘rewind’ scattered quantum bits or qubits back to their starting points.

Researchers from the Moscow Institute of Physics and Technology, helped by colleagues in Switzerland and the U.S., expect the technique to become more efficient. More

Study blames YouTube for rise in number of Flat Earthers

Researchers believe they have identified the prime driver for a startling rise in the number of people who think the Earth is flat: Google’s video-sharing site, YouTube.

Their suspicion was raised when they attended the world’s largest gatherings of Flat Earthers at the movement’s annual conference in Rayleigh, North Carolina, in 2017, and then in Denver, Colorado, last year.

Interviews with 30 attendees revealed a pattern in the stories people told about how they came to be convinced that the Earth was not a large round rock spinning through space but a large flat disc doing much the same thing. More

People Are Finding Cameras on Some American Airlines and Singapore Airlines Planes — Here's What That's About

In-flight entertainment (IFE) systems are a ubiquitous part of air travel these days — especially on long, transoceanic flights. For the most part, they are innocuous screens on the back of seats designed to entertain us while we jet across the sky.

Recently, however, a few eagle-eyed travelers have noticed that while we watch the screens, they could be watching us.

This week, one passenger aboard a Singapore Airlines flightthis link opens in a new tab noticed a camera built into his IFE screen. Another passenger noticed a similar camera aboard his American Airlines flightthis link opens in a new tab.

Is someone spying on us? According to the airlines, no. More

Drug giant Glaxo teams up with DNA testing company 23andMe

Home DNA test results from the 5 million customers of 23andMe will now be used by drug giant GlaxoSmithKline to design new drugs, the two companies announced Wednesday.

It’s the biggest partnership yet aimed at leveraging the increasingly popular home genetic testing market, in which customers pay for mail-in saliva tests that are analyzed by various companies. 23andMe dominates the market.

“By working with GSK, we believe we will accelerate the development of breakthroughs,” 23andMe CEO Anne Wojcicki wrote in a blog post. More

SpaceX to Shift Starship Work From California to Texas

WASHINGTON — Less than a week after laying off 10 percent of its employees, SpaceX said Jan. 16 that it plans to shift work on at least prototypes of its next-generation launch system from Los Angeles to Texas.

In a statement, SpaceX said it was now planning to build prototypes of its Starship vehicle, the upper stage of its next-generation reusable launch system, at its site in South Texas originally designed to serve as a launch site. An initial prototype version of that vehicle has been taking shape in recent weeks at the site in advance of "hopper" tests that could begin in the next one to two months. More

Watch Scientists Accidentally Blow Up Their Lab With The Strongest Indoor Magnetic Field Ever

Earlier this year, researchers at the University of Tokyo accidentally created the strongest controllable magnetic field in history and blew the doors of their lab in the process.

As detailed in a paper recently published in the Review of Scientific Instruments, the researchers produced the magnetic field to test the material properties of a new generator system. They were expecting to reach peak magnetic field intensities of around 700 Teslas, but the machine instead produced a peak of 1,200 Teslas. (For the sake of comparison, a refrigerator magnet has about 0.01 Tesla) More

Israeli Scientists Claim They're On The Path To A Cure For Cancer

A small team of Israeli scientists think they might have found the first complete cure for cancer.

“We believe we will offer in a year’s time a complete cure for cancer,” said Dan Aridor, of a new treatment being developed by his company, Accelerated Evolution Biotechnologies Ltd. (AEBi), which was founded in 2000 in the ITEK incubator. AEBi developed the SoAP platform, which provides functional leads to very difficult targets.

“Our cancer cure will be effective from day one, will last a duration of a few weeks and will have no or minimal side-effects at a much lower cost than most other treatments on the market,” Aridor said. “Our solution will be both generic and personal.” More

15 accidental inventions that changed the world

There are some things we can live without: hover boards, the noodle fan, wigs for cats, the selfie-stick, a gym subscription.

Others, we didn’t know we couldn’t live without. They may not crucial for our survival, but life just wouldn’t be the same without them.

A favorite childhood toy, America’s favorite beverage, a life-saving medication — we traced the down sixteen modern commodities that not only created a foundation for our life, but in some cases, keep us alive. Some of the world’s most recognizable or important discoveries were stumbled upon by accident. More

Why Do I Keep Waking Up In The Middle Of The Night?

Consistently waking up in the middle of the night for seemingly no reason is unfortunately very common — and exactly as frustrating as it sounds. If it just happens once in a while, it's not that bad. But when it starts happening every night for days, weeks, or even months on end, that's when you start feeling desperate.

You're tired, you have no idea what's going on, and you don't know how to prevent it from happening. To figure out how to fall asleep and stay asleep (at least until your alarm clock goes off in the morning), you first need to figure out what your body is trying to tell you when you keep waking up in the middle of the night.

There are likely plenty of reasons you're having trouble staying asleep. If you're lucky, it can be an easy fix — like, something in your sleep environment that you can adjust. If you're not lucky, though, it could be something that requires outside help or maybe even medical attention. More

This Artist Made a Radio Out of a Kitchen Sink

Some artists work in oils, say, or marble. Amanda Dawn Christie works in radio. Not radio in the sense of performing on air. But radio in the sense of the giant cultural and technological phenomenon that is broadcasting, and specifically shortwave broadcasting.

For decades, shortwave was the only way to reach a global audience in real time. Broadcasters such as the BBC World Service and Voice of America used it to project “soft power.” But as the Internet grew, interest in shortwave diminished.

Christie’s art draws from shortwave’s history, representing it in sculpture, performance, photography, and film. Her focus is the life of the Radio Canada International (RCI) transmitter complex, located in Sackville, New Brunswick, near Christie’s hometown. The transmitter was in operation from the 1940s until 2012. “Those towers were always just a part of the landscape that I grew up around,” says Christie. It took a radio-building workshop to spark her interest: “I built a radio out of a toilet-paper tube.... I thought I did a great job because I picked up Italian radio. It turned out I did not—I was just really close to this international shortwave site.” More

We Have More Evidence That Two Earth-Like Exoplanets Have Stable Climates And Seasons Just Like Us

Two exoplanets thought to be similar to Earth apparently are, at least when it comes to climate, Kepler-186f is the first identified Earth-sized planet outside the solar system orbiting a star in the habitable zone.

This means it's the proper distance from its host star for liquid water to pool on the surface.

The study, which appears in the Astronomical Journal , used simulations to analyze and identify the exoplanet's spin axis dynamics. Those dynamics determine how much a planet tilts on its axis and how that tilt angle evolves over time. Axial tilt contributes to seasons and climate because it affects how sunlight strikes the planet's surface. More

Scottish GPs to begin prescribing rambling and birdwatching

Doctors in Shetland are to start prescribing birdwatching, rambling and beach walks in the Atlantic winds to help treat chronic and debilitating illnesses for the first time.

From Friday, doctors working in the 10 GP surgeries on the islands will be authorised by the archipelago’s health board, NHS Shetland, to issue “nature prescriptions” to patients to help treat mental illness, diabetes, heart disease, stress and other conditions.

Patients will be given calendars and lists of walks drawn up by the Royal Society for the Protection of Birds showing them particular bird species and plants, and suitable routes to take. The leaflets are to be available at surgeries. More

The Physics of a Spinning Spacecraft in The Expanse

The Expanse should just change their post credits for each episode to include a list of homework questions. Seriously—there are so many great things to explore in this hard science fiction show.

In a recent episode, one of the large spaceships (the Navoo) rotates in order to create artificial gravity (that's not really a spoiler). How about some questions and answers about this giant spinning spaceship?

How do you make artificial gravity?

Let me get right to it. You are probably somewhere near the surface of the Earth and there is a gravitational force between you and the Earth pulling you down. But here is the crazy part—you don't really feel this gravitational force. Since the gravitational force pulls on all parts of your body, you don't feel it. What you actually feel as "weight" is the force from the floor (or seat) pushing up on you. We call this the "apparent" weight. More

Helium temporarily bricks iPhones and Apple Watches in Chicago hospital, Android devices immune

A new report from iFixit today looks into a curious case of many iPhones and Apple Watches failing at a hospital, at the same time. At first the cause was thought to be an electromagnetic pulse, but further investigation revealed the issue was helium.

They mystery started when a new MRI machine was being installed at Morris Hospital, outside Chicago. Systems Specialist, Erik Wooldridge said that he started hearing that smartphones had stopped working in the building. More

BlackFly electric personal VTOL ultralight aircraft is USA-qualified

OPENER has announced that its BlackFly ultralight VTOL aircraft has been qualified for use in the US. The company says that BlackFly is simple to operate and master with no formal licensing needed in the US. BlackFly is fully amphibious and is designed to operate from small grassy areas for distances of up to 25 miles.

It is speed limited in the US to 62mph. The FAA requires no licensing for the use of ultralight qualified vehicles in the US. OPENER says that it will require all operators to complete the FAA Private Pilot written exam and complete a mandated vehicle familiarization and operator training. The vehicle is zero emissions and has eight propulsion systems spread across two wings. More

Why have humans never found aliens?

“IF ALIENS are so likely, why have we never seen any?” That is the Fermi Paradox—named after Enrico Fermi, a physicist who posed it in 1950.

Fermi’s argument ran as follows. The laws of nature supported the emergence of intelligent life on Earth. Those laws are the same throughout the universe. The universe contains zillions of stars and planets.

So, even if life is unlikely to arise on any particular astronomical body, the sheer abundance of creation suggests the night sky should be full of alien civilisations. Fermi wondered why aliens had never visited Earth. Today, the paradox is more usually cast in light of the inability of radio-telescope searches to detect the equivalent of the radio waves that leak from Earth into the cosmos, and have done for the past century. More

Anomalies in The Large Hadron Collider's Data Are Still Stubbornly Pointing to New Physics

Past experiments using CERN's super-sized particle-smasher, the Large Hadron Collider (LHC), hinted at something unexpected. A particle called a beauty meson was breaking down in ways that just weren't line up with predictions.

That means one of two things – our predictions are wrong, or the numbers are out. And a new approach makes it less likely that the observations are a mere coincidence, making it's nearly enough for scientists to start getting excited.

A small group of physicists took the collider's data on beauty meson (or b meson for short) disintegration, and investigated what might happen if they swapped one assumption regarding its decay for another that assumed interactions were still occurring after they transformed. More

Ancient Girl's Parents Were Two Different Human Species

When the results first popped up, paleogeneticist Viviane Slon didn't believe it. “What went wrong?” she recalls asking herself at the time. Her mind immediately turned to the analysis. Did she make a mistake? Could the sample be contaminated?

The data was telling her that the roughly 90,000-year-old flake of bone she had tested was from a teenager that had a Neanderthal mom and Denisovan dad.

Researchers had long suspected that these two groups of ancient human relatives interbred, finding whiffs of both their genes in ancient and modern human genomes. But no one had ever found the direct offspring from such a pairing. More

New Horizons Just Found Hints of a Huge Structure at The Edge of Our Solar System

Way out past Pluto, in the region of asteroid-filled space known as the Kuiper belt, NASA probe New Horizons just got a tantalising hint of a long-sought structure in the outer Solar System.

An ultraviolet glow picked up by the probe's Alice UV spectrometer could be evidence of the 'hydrogen wall', a region of dense hydrogen on the boundary between the Solar System and interstellar space.

"We're seeing the threshold between being in the solar neighborhood and being in the galaxy," astronomer Leslie Young of the Southwest Research Institute and New Horizons team told Science News. Although space has extremely low pressure, it still exists, and the solar wind exerts an outward pressure. At a certain point that wind is no longer strong enough to push back against interstellar space. More

Scientists Have an Interesting Theory on Why Some People Are Left-Handed

For a long time, scientists have debated why some people are left-handed. Formerly, people thought our hand orientation depended on genetic differences in our brain, but recent research seems to indicate that our preference actually stems from our spinal cord.

"The research — by Sebastian Ocklenburg, Judith Schmitz, and Onur Gunturkun from Ruhr University Bochum, along with other colleagues from the Netherlands and South Africa — found that gene activity in the spinal cord was asymmetrical in the womb and could be what causes a person to be left- or right-handed," explains an article by Lindsay Dodgson on Business Insider, citing research from a study published in the journal eLife in 2017. More

The Next Big Discovery in Astronomy? We Probably Found It Years Ago — But Don't Know It Yet

Earlier this year, astronomers stumbled upon a fascinating finding: Thousands of black holes likely exist near the center of our galaxy.

The X-ray images that enabled this discovery weren't from some state-of-the-art new telescope. Nor were they even recently taken – some of the data was collected nearly 20 years ago.

No, the researchers discovered the black holes by digging through old, long-archived data. Discoveries like this will only become more common, as the era of "big data" changes how science is done.

Astronomers are gathering an exponentially greater amount of data every day – so much that it will take years to uncover all the hidden signals buried in the archives. More

The next major innovation in batteries might be here

Lithium-ion batteries were first introduced to the public in a Sony camcorder in 1991. Then they revolutionized our lives. The versatile batteries now power everything from tiny medical implants and smartphones to forklifts and expensive electric cars. And yet, lithium-ion technology still isn’t powerful enough to fully displace gasoline-powered cars or cheap enough to solve the big energy-storage problem of solar and wind power.

Dave Eaglesham, the CEO of Pellion Technologies, a Massachusetts-based startup, believes his company has made the leap beyond lithium-ion that will bring the battery industry to the next stage of technological disruption. He and his colleagues have accomplished something researchers have been struggling with for decades: they’ve built a reliable rechargeable lithium-metal battery. More

We Might Finally Know What Smacked Uranus Sideways

Most planets have poles roughly aligned with the sun's, which we have labeled north and south. Not Uranus.

For whatever reason, the seventh planet from the sun has always rolled on its side, throwing off all sorts of strange magnetic activity in the meantime. It's unlikely Uranus was tilted when it formed, and astronomers have struggled to understand the cause.

New research published today in the Astrophysical Journal suggests that Uranus got hit by a planet twice the size of Earth long ago. This collision could have radically changed the planet, resulting in its telltale tilt and making it relatively frigid compared to farther-out Neptune. Uranus is about 14 times the mass of Earth and around four times larger in radius. Whatever hit Uranus is thought to have been between two or three Earth-masses. More

The Vanishing City

Every year around Labor Day weekend, about 75,000 people converge on the Black Rock Desert in Nevada to build a city. Occupying more than 14,000 acres, the pop-up metropolis features distinctive neighborhoods, extensive dining and entertainment, even a small airport. I find no hint of this when I visit the playa, or desert basin, on a sunny afternoon in March. All I see is a flat expanse of white alkaline soil, nearly identical to what pioneers described in their 19th-century journals.

The disappearing act is by design. It’s one of the core attributes of Black Rock City, guided by the tenets of the event for which this temporary metropolis is built: the annual pyrotechnic extravaganza known as Burning Man. Yet the weeklong festival’s leave-no-trace ethos has not stopped archaeologist Carolyn White from studying the city as she would any other vanished civilization. In fact, the cyclicality is one of the qualities that draws her here year after year. More

Science Explains What Happens To Someone’s Brain From Complaining Every Day

The human brain is remarkably malleable. It can be shaped very much like a ball of Play-Doh, albeit with a bit more time and effort.

Within the last 20 years, thanks to rapid development in the spheres of brain imaging and neuroscience, we can now say for certain that the brain is capable of re-engineering – and that we are the engineers.

In many ways, neuroplasticity – an umbrella term describing lasting change to the brain throughout a person’s life – is a wonderful thing. More

Engage Warp Drive! Why Interstellar Travel's Harder Than It Looks

How hard is it to hop to the nearest star system or soar across the galaxy? A typical "Star Trek" or "Star Wars" movie makes it look easy. When the heroes get a distant distress call, they use "warp drive" or "hyperdrive" and arrive at their destination within minutes or hours. If we got the right propulsion, would it be possible for us to voyage that quickly in real life?

Almost 50 years ago, humans were walking on the moon. But we stopped going in 1972 and never ventured any farther, except by sending robotic probes. Humans have never gone to Jupiter, as the book and movie "2001: A Space Odyssey" promised us, or even to Mars. What is it that makes travel far away so difficult? Besides the obvious human health concerns (living in microgravity tends to weaken a body over time) and budgetary issues, there are vast technological problems with traveling to faraway places. More

First-ever colour X-ray on a human

New Zealand scientists have performed the first-ever 3-D, colour X-ray on a human, using a technique that promises to improve the field of medical diagnostics, said Europe's CERN physics lab which contributed imaging technology.

The new device, based on the traditional black-and-white X-ray, incorporates particle-tracking technology developed for CERN's Large Hadron Collider, which in 2012 discovered the elusive Higgs Boson particle.

"This colour X-ray imaging technique could produce clearer and more accurate pictures and help doctors give their patients more accurate diagnoses," said a CERN statement. More

Andromeda may have eaten the Milky Way’s long-lost sibling

The Andromeda Galaxy (M31) is the largest member of the Milky Way’s gang of galactic neighbors, known as the Local Group. With around a trillion suns worth of mass, Andromeda’s gravitational influence is a force to be reckoned with. And according to new research, no galaxy in the Local Group knows this better than M32, an oddball satellite galaxy now orbiting Andromeda.

In a study published today in Nature Astronomy, researchers showed that about 2 billion years ago, the Andromeda Galaxy cannibalized one of the largest galaxies in the Local Group, turning it into the strange compact galaxy known as M32 that we see bound to Andromeda today. This massive collision stripped M32’s progenitor galaxy (dubbed M32p) of most of its mass – taking it from a hefty 25 billion solar masses to just a few billion solar masses. More

5,300-year-old Iceman's last meal reveals remarkably high-fat diet

In 1991, German tourists discovered, in the Eastern Italian Alps, a human body that was later determined to be the oldest naturally preserved ice mummy, known as Otzi or the Iceman. Now, researchers reporting in the journal Current Biology on July 12 who have conducted the first in-depth analysis of the Iceman's stomach contents offer a rare glimpse of our ancestor's ancient dietary habits.

Among other things, their findings show that the Iceman's last meal was heavy on the fat. The findings offer important insights into the nutritional habits of European individuals, going back more than 5,000 years to the Copper Age. They also offer clues as to how our ancient ancestors handled food preparation. More

Tesla bursts into flames after fatal crash in Switzerland

Swiss firefighters have indicated the impact of a fatal crash involving a Tesla car may have triggered a battery fire, causing the vehicle to go up in flames.

A 48-year-German driver died on Thursday when his car hit a barrier on a motorway in the canton of Ticino, southern Switzerland. The car burst into flames and was attended to by Bellinzona firefighters, who say the blaze may have been caused by the Tesla battery. More

Hyderabad radio ham receives world recognition

Hyderabad: Ashhar Farhan, founder of Lamakaan and a long-time radio ham, is in elite company after being recognized for popularising the open-source Bit-X semi-kits, thus opening up the world to more hams in a much more affordable way.

On Friday, the international magazine CQ Amateur Radio inducted Farhan along with 11 others to its 2018 Hall of Fame, with Farhan being the only living Indian on the list.

The other Indian name was Kalpana Chawla, the NASA astronaut killed in 2003. Apart from Chawla, Farhan shares space in the Hall of Fame with prominent personalities such as Hollywood actor Marlon Brando, NASA astronaut David Brown, cybersecurity expert Mark Pecen and World War II photographer Ed Westcott. More

Tech companies scramble as sweeping data rules take effect

A sweeping set of new data privacy regulations descending on Europe is leaving internet companies in the U.S. scrambling to overhaul their practices to avoid steep penalties.

Companies like Google, Twitter, Yelp and Uber have in recent weeks sent notices to their users about updates to privacy policies and user agreements aimed at making their data collection practices more transparent.

The moves are part of an industry-wide effort to prepare for the General Data Protection Regulation (GDPR), which goes into effect on Friday and forces companies to give full disclosure about what they do with the digital data they collect and offer their users more control over their information. More

Life inside hidden ’uncontacted’ Amazonian tribes REVEALED

Despite popular opinion so-called uncontacted tribes do have relations with neighbouring groups or tribes – whether they are friendly or not.

They are, however, considered to be people who have no peaceful contact with anyone in mainstream society. Survival International, a group that aims to protect the rights of tribal people, estimates there are about 100 uncontacted tribes across the globe.

Many groups who live in isolation from larger society carve out an existence in hunter-gatherers or bartering communities. They live in communal groups that rely heavily on the rainforest where they hunt, fish and harvest food. More

Facebook Disabled 1 Billion Fake Accounts in the Last Year

Facebook continued to give the public a peek behind the curtain, releasing a major report on Tuesday that announced the Silicon Valley company removed more than one billion fake accounts. Facebook also said it purged millions of posts that violate its rules in the last year.

The first-ever “Community Standards Enforcement Report,” a robust 81 pages, details the company’s efforts to weed out unsavory content, including violence and terrorist propaganda. The report accounted for the fourth quarter of 2017 and first quarter of 2018. More

Tesla owner who turned on car's autopilot then sat in passenger seat while banned from driving

A man who switched on his car's autopilot before moving to the passenger seat while travelling along a motorway has been banned from driving for 18 months. Bhavesh Patel, aged 39, of Alfreton Road, Nottingham, pleaded guilty to dangerous driving at St Albans Crown Court on Friday, April 20.

The court heard that at 7.40pm on May 21, 2017, Patel was driving his white Tesla S 60 along the northbound carriageway of the M1, between junctions 8 and 9 near Hemel Hempstead.

While the £70,000 car was in motion, he chose to switch on the supercar's autopilot function before moving across to the passenger seat and leaving the steering wheel and foot controls completely unmanned. More

Is Facebook secretly building an internet satellite? Signs point to yes

Facebook may be secretly working on its own satellite broadband service.

The possible move comes just a few months after SpaceX launched its first two prototype satellites for an internet constellation it hopes may one day be over 11,000 strong.

A partially redacted FCC application obtained by IEEE Spectrum outlines a plan for an experimental satellite from a mysterious company called PointView Tech LLC, which IEEE goes on to connect to Facebook. More

Star Wars Rebel Alliance symbol on an insect? Bee-lieve it

Humans aren't the only animals that can cosplay. Mother Nature endowed an unusual bee with one of the most famous symbols in all of sci-fi: the Star Wars Rebel Alliance logo.

Joseph Wilson, co-writer of The Bees in Your Backyard field guide, is celebrating May the 4th, Star Wars Day, with a photo of Triepeolus remigatus, a cuckoo bee with a distinctive marking that makes it look like it should be battling the Imperial forces alongside a bunch of Jedi and rebels.

But this particular bee has a dark side. Wilson said it "sneaks into the nests of squash bees and hides its egg. When its baby hatches, it kills the baby squash bee and eats the pollen that was left for the squash bee." That sounds a lot more Sith than Jedi. More

Police using 'drone killers' to disable flying devices in emergency situations

Drones have been used for a lot more than making videos and delivering pizzas.

They have dropped drugs into prison yards, scouted out illegal border crossings and grounded lifesaving efforts by accidentally wandering into the flight paths of firefighting aircraft.

The sky may be the limit for drones, but local law enforcement agencies are looking for a way to bring them back to earth. A new electronic device called a "drone killer" could be the answer. More

Why Asparagus Makes Your Urine Smell

If you’ve ever noticed a strange, not-entirely-pleasant scent coming from your urine after you eat asparagus, you’re definitely not alone.

Distinguished thinkers as varied as Scottish mathematician and physician John Arbuthnot (who wrote in a 1731 book that “asparagus…affects the urine with a foetid smell”) and Marcel Proust (who wrote how the vegetable “transforms my chamber-pot into a flask of perfume”) have commented on the phenomenon.

Even Benjamin Franklin took note, stating in a 1781 letter to the Royal Academy of Brussels that “A few Stems of Asparagus eaten, shall give our Urine a disagreable Odour” (he was trying to convince the academy to “To discover some Drug…that shall render the natural Discharges of Wind from our Bodies, not only inoffensive, but agreable as Perfumes” More

In Smart Cities of the Future, Posters and Street Signs Can Talk

One day, signs may be able to talk to us through our phones and our car radios. Okay, so this may not be a technological breakthrough you’ve long awaited. Given how much time we already spend interacting with devices, you may be wondering if we really need to have more opportunities for inanimate objects to communicate with us.

Allow Vikram Iyer to explain.

“We think this is a technique that can really be used in smart cities to provide people with information when they’re outdoors,” he says. More

DARPA Is Researching Time Crystals, And Their Reasons Are 'Classified'

The US military likes to stay at the forefront of the cutting edge of science - most recently investigating ways they can 'hack' the human brain and body to make it die slower, and learn faster.

But in an unexpected twist, it turns out they're also interested in pushing the limits of quantum mechanics. The Defence Advanced Research Projects Agency (DARPA) has announced it's funding research into one of the strangest scientific breakthroughs in recent memory - time crystals.

In case you missed it, time crystals made headlines last year when scientists finally made the bizarre objects in the lab, four years after they were first proposed. More

Flowering Plants Originated Between 149 and 256 Million Years Ago

Angiosperms (flowering plants) are neither as old as suggested by previous molecular studies, nor as young as a literal interpretation of their fossil record, according to new research.

“The discrepancy between estimates of angiosperm evolution from molecular data and fossil records has caused much debate,” said co-author Dr. Jose Barba-Montoya, of University College London.

“Even Darwin described the origin of this group as an ‘abominable mystery’.” More

Autism, schizophrenia, bipolar disorder share molecular traits, study finds

A UCLA-led study, appearing Feb. 9 in Science, has found that autism, schizophrenia and bipolar disorder share some physical characteristics at the molecular level, specifically, patterns of gene expression in the brain. Researchers also pinpointed important differences in these disorders' gene expression.

"These findings provide a molecular, pathological signature of these disorders, which is a large step forward," said senior author Daniel Geschwind, a distinguished professor of neurology, psychiatry and human genetics and director of the UCLA Center for Autism Research and Treatment. "The major challenge now is to understand how these changes arose."

Researchers know that certain variations in genetic material put people at risk for psychiatric disorders, but DNA alone doesn't tell the whole story. Every cell in the body contains the same DNA; RNA molecules, on the other hand, play a role in gene expression in different parts of the body, by "reading" the instructions contained within DNA. More

Opportunity will celebrate its 14th year on Mars

Opportunity, one of the two Mars Exploration Rovers launched in 2003, landed successfully on the Red Planet at 04:54 UTC on January 25, 2004. Its original mission parameters planned for 90 martian days (called sols) of operation during the mild summer on the Meridiani Planum near the planet’s equator.

As of January 16, 2018, Opportunity has been operational for 4,970 sols and driven 28.02 miles (45.09 kilometers) on the martian surface. On January 25, 2018, Opportunity turns 14 — in Earth years. In Mars years (which last about 687 Earth days, or 669 sols), she turns 7.4. More

Scientists warn we may be creating a 'digital dark age'

You may think that those photos on Facebook or all your tweets may last forever, or might even come back to haunt you, depending on what you have out there. But, in reality, much of our digital information is at risk of disappearing in the future.

Unlike in previous decades, no physical record exists these days for much of the digital material we own. Your old CDs, for example, will not last more than a couple of decades. This worries archivists and archaeologists and presents a knotty technological challenge.

“We may [one day] know less about the early 21st century than we do about the early 20th century,” says Rick West, who manages data at Google. “The early 20th century is still largely based on things like paper and film formats that are still accessible to a large extent; whereas, much of what we're doing now — the things we're putting into the cloud, our digital content — is born digital.” More

In the Bones of a Buried Child, Signs of a Massive Human Migration to the Americas

The girl was just six weeks old when she died. Her body was buried on a bed of antler points and red ocher, and she lay undisturbed for 11,500 years.

Archaeologists discovered her in an ancient burial pit in Alaska in 2010, and on Wednesday an international team of scientists reported they had retrieved the child’s genome from her remains. The second-oldest human genome ever found in North America, it sheds new light on how people — among them the ancestors of living Native Americans — first arrived in the Western Hemisphere.

The analysis, published in the journal Nature, shows that the child belonged to a hitherto unknown human lineage, a group that split off from other Native Americans just after — or perhaps just before — they arrived in North America. More

New Horizons' Target Could Be Two Objects and Might Have a Moon

NASA's New Horizons space probe is charged with exploring some of the farthest reaches of the solar system: the Pluto system and the Kuiper Belt beyond. The spacecraft's next target, a Kuiper Belt Object (KBO) known as 2015 MU69, is believed to be a peanut-shaped rock, or possibly two rocks orbiting close together. New observations have suggested that MU69 could also have a moon.

The mystery speaks to how little is currently known about KBOs. "We really won't know what MU69 looks like until we fly past it, or even gain a full understanding of it until after the encounter," said New Horizons science team member Marc Buie, speaking at the American Geophysical Union (AGU) Fall Meeting in New Orleans. "But even from afar, the more we examine it, the more interesting and amazing this little world becomes." More

Why people don't work on their cars anymore

You can still purchase guides to fixing your car, and Haynes Manuals will be happy to sell them to you.

But the company asked customers what's keeping from getting under the hood — the survey was "informal" — and the answer wasn't surprising. That hunk of plastic covering the engine.

"You won't fix what you can't see," J Haynes, CEO of Haynes Publishing said in a statement.

"Most people don't realize that removing a few simple screws will provide easy access to undercover workings of their engine and allow them to work on their own cars and save lots of hard-earned money," he added. "We say there's no need to fear the plastic engine cover." More

Bright Spots on Ceres May Be Evidence of Aliens, Says NASA

NASA's Dawn spacecraft has been exploring Ceres, the largest object in the asteroid belt between Mars and Jupiter since March 2015, and review of images Dawn has returned reveals that the dwarf planet is no mere hunk of dead rock.

Among the surface features of Ceres are hundreds of bright, reflective areas that stand out from its otherwise dark face.

"The mysterious bright spots on Ceres, which have captivated both the Dawn science team and the public, reveal evidence of Ceres' past subsurface ocean, and indicate that, far from being a dead world, Ceres is surprisingly active," said Carol Raymond, Manager of the Small Bodies Program at NASA's Jet Propulsion Laboratory. More

Are 'Flatliners' Really Conscious After Death?

Driven by ambition and curiosity to learn what lies on the other side of death, five medical students deliberately stop their hearts in order to experience "the afterlife" in the new thriller "Flatliners" (Sony Pictures), which opened in U.S. theaters on Sept. 29.

They quickly discover that there are unexpected and terrible consequences of dallying with death — but not everything they experience after "dying" is in the realm of science fiction. A growing body of research is charting the processes that occur after death, suggesting that human consciousness doesn't immediately wink out after the heart stops, experts say.

But what really happens in the body and brain in the moments after cardiac arrest? More

A group of scientists just discovered 20 new planets you might eventually be able to move to

Tired of living on Earth? You'll be happy to know that a group of scientists just discovered 20 new planets that boast Earth-like characteristics.

The discovery was made through Kepler, a space telescope that was launched back in 2009.

Although the contraption broke down in 2013, Kepler garnered so much data during its four working years that scientists are still rummaging through it. This time around, they scoured through a list of 4,034 exoplanets (basically, planets capable of sustaining life) to find those closest to Earth. Working off that shorter list, they then singled out 20 planets that most readily resembled Earth's defining properties. More

Meet the Brits who promised the world a $25 PC, and delivered a revolution

In 2015, Raspberry Pi became the bestselling British computer of all time.

Earlier this year, it passed the 12.5 million mark in sales, taking its place as the third highest selling general purpose computer ever built.

When the project got underway, though, its primary objective wasn’t to sell millions of units.

The Raspberry Pi was conceived as an educational device. Its enormous popularity is proof of how well it executed upon that vision.

In just five year’s time, the hardware went from a promising idea to a globally recognized brand – and we’re only going to see the full effect of how it makes computing more accessible as the next generation of programmers mature and flourish. More

Europe’s Famed Bog Bodies Are Starting to Reveal Their Secrets

If you’re looking for the middle of nowhere, the Bjaeldskovdal bog is a good place to start. It lies six miles outside the small town of Silkeborg in the middle of Denmark’s flat, sparse Jutland peninsula. The bog itself is little more than a spongy carpet of moss, with a few sad trees poking out. An ethereal stillness hangs over it. A child would put it more simply: This place is really spooky.

I drove here on a damp March day with Ole Nielsen, director of the Silkeborg Museum. We tramped out to a desolate stretch of bog, trying to keep to the clumps of ocher-colored grass and avoid the clingy muck between them. A wooden post was planted to mark the spot where two brothers, Viggo and Emil Hojgaard, along with Viggo’s wife, Grethe, all from the nearby village of Tollund, struck the body of an adult man while they cut peat with their spades on May 6, 1950. The dead man wore a belt and an odd cap made of skin, but nothing else.

Oh yes, there was also a plaited leather thong wrapped tightly around his neck. This is the thing that killed him. His skin was tanned a deep chestnut, and his body appeared rubbery and deflated. Otherwise, Tollund Man, as he would be called, looked pretty much like you and me, which is astonishing considering he lived some 2,300 years ago. More

Conspiracy Theorists Have a Fundamental Cognitive Problem, Say Scientists

The world’s a scary, unpredictable place, and that makes your brain mad. As a predictive organ, the brain is on the constant lookout for patterns that both explain the world and help you thrive in it. That ability helps humans make sense of the world. For example, you probably understand by now that if you see red, that means that you should be on the lookout for danger.

But as scientists report in a new paper published in the European Journal of Social Psychology, sometimes people sense danger even when there is no pattern to recognize — and so their brains create their own.

This phenomenon, called illusory pattern perception, they write, is what drives people who believe in conspiracy theories, like climate change deniers, 9/11 truthers, and “Pizzagate” believers. More

Beluga Living with Dolphins Swaps Her Calls for Theirs

In November 2013, a four-year-old captive beluga whale moved to a new home. She had been living in a facility with other belugas. But in her new pool, the Koktebel dolphinarium in Crimea, her only companions were dolphins. The whale adapted quickly: she started imitating the unique whistles of the dolphins, and stopped making a signature beluga call altogether.

“The first appearance of the beluga in the dolphinarium caused a fright in the dolphins,” write Elena Panova and Alexandr Agafonov of the Russian Academy of Sciences in Moscow. The bottlenose dolphins included one adult male, two adult females and a young female. But the animals soon got along, er, swimmingly. In August 2016, one of the adult female dolphins gave birth to a calf that regularly swam alongside the beluga. More

The Closest Star to Our Own Solar System Just Got a Lot More Interesting

Astronomers have announced they've discovered a ring of cold cosmic dust surrounding the closest star to our Solar System - the faint red dwarf Proxima Centauri.

This finding means that the star, which is also home to the nearest Earth-like planet discovered just last year, hosts what could be a more elaborate planetary system than we previously thought.

Using data from the ALMA Observatory in Chile, a team of researchers has detected the faint glow of what appears to be a belt of dust surrounding Proxima Centauri several hundred million kilometres out from the star. More

More Accurate World Map Wins Prestigious Design Award

You probably don’t realize it, but virtually every world map you’ve ever seen is wrong. And while the new AuthaGraph World Map may look strange, it is in fact the most accurate map you’ve ever seen.

The world maps we’re all used to operate off of the Mercator projection, a cartographic technique developed by Flemish geographer Gerardus Mercator in 1569. This imperfect technique gave us a map that was “right side up,” orderly, and useful for ship navigation — but also one that distorted both the size of many landmasses and the distances between them.

To correct these distortions, Tokyo-based architect and artist Hajime Narukawa created the AuthaGraph map over the course of several years using a complex process that essentially amounts to taking the globe (more accurate than any Mercator map) and flattening it out. More

The ghostly radio station that no one claims to run

In the middle of a Russian swampland, not far from the city of St Petersburg, is a rectangular iron gate. Beyond its rusted bars is a collection of radio towers, abandoned buildings and power lines bordered by a dry-stone wall. This sinister location is the focus of a mystery which stretches back to the height of the Cold War.

It is thought to be the headquarters of a radio station, “MDZhB”, that no-one has ever claimed to run. Twenty-four hours a day, seven days a week, for the last three-and-a-half decades, it’s been broadcasting a dull, monotonous tone. Every few seconds it’s joined by a second sound, like some ghostly ship sounding its foghorn. Then the drone continues.

Once or twice a week, a man or woman will read out some words in Russian, such as “dinghy” or “farming specialist”. And that’s it. Anyone, anywhere in the world can listen in, simply by tuning a radio to the frequency 4625 kHz. More

Trump officials have no clue how to rebuild Puerto Rico’s grid. But we do.

With Puerto Rico’s dirty, costly electric grid wiped out by Hurricane Maria, now is the time for a clean power rebuild.

Microgrids built around cheap renewable power and battery storage are now the fastest and cheapest way to restore power — while at the same time building resilience into the grid against the next disaster.

That’s been proven by Florida after Hurricane Irma, Japan after the tsunami that caused the Fukushima meltdown, and India after recent monsoons. More

The Cult of Amiga Is Bringing an Obsolete Computer Into the 21st Century

The IBM and Apple machines were better known among the legends of 80s computer. But perhaps no computer was more beloved by its users than the Amiga.

In the mid-1980s, Commodore released the Amiga 1000, a beast of a machine whose specs blew away the hardware of its day, and which became a cult favorite.

But by 1995, after several iterations of Amiga and years of questionable decisions by the Commodore company, the Amiga brand closed up shop. In the two decades since then, the rights to the computer and its software suite have been sold off and stuck in legal purgatory. And yet now, a group of hardware enthusiasts are trying to bring the revered 1980s computer into the 21st century. More

Researchers Think They've Figured Out What Mysterious Scottish Stone Circles Were Used For

New research into Neolithic stone circles on the Scottish islands of Orkney has revealed they were the party hotspots of the end of the Stone Age – places where people met to find partners, celebrate the summer and winter solstices, and pay tribute to the dead.

The study has also revealed how the area was a melting pot of different social groups and communities, a mix that eventually caused enough political tension for the groups to go their separate ways.

Part of a broader investigation into Neolithic living called The Times of their Lives, led by Historic England, the new analysis examines more than 600 radiocarbon dates, giving researchers a clearer view of the timing and duration of events between 3200 BC and 2500 BC on the islands. More

World’s Most Powerful Laser Is 2,000 Trillion Watts – But What’s It For?

The most powerful laser beam ever created has been recently fired at Osaka University in Japan, where the Laser for Fast Ignition Experiments (LFEX) has been boosted to produce a beam with a peak power of 2,000 trillion watts – two petawatts – for an incredibly short duration, approximately a trillionth of a second or one picosecond.

Values this large are difficult to grasp, but we can think of it as a billion times more powerful than a typical stadium floodlight or as the overall power of all of the sun’s solar energy that falls on London. Imagine focusing all that solar power onto a surface as wide as a human hair for the duration of a trillionth of a second: that’s essentially the LFEX laser. More

The brain on DMT: mapping the psychedelic drug's effects

N, N-Dimethyltryptamine (DMT) is famous for producing one of the most intense psychedelic experiences possible, catapulting users into a series of vivid, incapacitating hallucinations. But despite the kaleidoscope of variation on offer, the enduring mystery of DMT is the encounters it induces with 'entities' or 'aliens': "jewelled self-dribbling basketballs" or "machine elves", as the psychedelic missionary Terence McKenna described them.

McKenna, not really a scientist so much as a roving DMT performance poet, helped popularise the drug in the 70s, along with his own intuitive theories that the entities were evidence of alien life, or that DMT facilitated trans-dimensional travel.

“They’re really amazing, spine-tingling ideas,” says Robin Carhart-Harris, head of psychedelic research at Imperial College, London. “But, you know, arguably they’re bullshit.” More

Secrets of ‘lost eighth continent’ Zealandia to be unlocked as scientists set sail to explore underwater landmass

We know the dinosaurs died out 66 million years ago, so there is every chance scientists will find something totally unexpected in this drowned world.

It was originally part of the gigantic super-continent Gondwana, which was made up of many of the continents which now exist in the southern hemisphere.

Covering 1.9 million square miles, it extends from south of New Zealand northward to New Caledonia and west to the Kenn Plateau off Australia's east coast.

Drill ship Joides Resolution will recover sediments and rocks lying deep beneath the sea bed in a bid to discover how the region has behaved over the past tens of millions of years.

The recovered cores will be studied onboard, allowing scientists to address issues such as oceanographic history, extreme climates, sub-seafloor life, plate tectonics and earthquake-generating zones. More

The Asteroid That Just Came Close to Earth Is So Huge It Has Its Own Moons

Asteroid Florence flew by Earth last week, skimming at a distance of 7 million kilometres (4.4 million miles). It's the biggest asteroid to come this close in more than a century.

It's so big, in fact, that it has two tiny moons of its very own, according to radar images obtained by NASA when Florence was at its closest on 31 August and 1 September.

"While many known asteroids have passed by closer to Earth than Florence ... all of those were estimated to be smaller," said JPL-NASA's Paul Chodas, manager of the Center for Near-Earth Object Studies. More

How did Tesla make some of its cars travel further during Hurricane Irma?

Tesla drivers who fled Hurricane Irma last weekend received an unexpected lesson in modern consumer economics along the way. As they sat on choked highways, some of the electric-car giant’s more keenly priced models suddenly gained an extra 30 or so miles in range thanks to a silent free upgrade.

The move, confirmed by Tesla, followed the request of one Florida driver for a limit on his car’s battery to be lifted. Tesla’s cheaper models, introduced last year, have the same 75KwH battery as its more costly cars, but software limits it to 80% of range. Owners can otherwise buy an upgrade for several thousands of dollars. And because Tesla’s software updates are online, the company can make the changes with the flick of a virtual switch. More

Why can't monkeys talk? Scientists rumble over a curious question

Decades ago, while Philip H. Lieberman was soaking in a bathtub and listening to the radio, he heard anthropologist Loren Eiseley ponder an evolutionary puzzle: Why couldn't monkeys talk? Like us, they're social primates, intelligent and certainly not quiet. Rhesus macaques grunt, coo, screech and scream. Infant macaques make sounds known as geckers. Despite the grunting and geckering, though, no other primates — not even the chimpanzees and bonobos, our nearest ape relatives — can make the vowel and consonant sounds we know as speech.

Scientists figured there were two likely sticking points. Either the brain was not wired for speech in nonhuman primates, or their windpipes were shaped the wrong way.

Lieberman, a professor emeritus of anthropology at Brown University in Rhode Island, got out of the tub and took the puzzle with him. In groundbreaking experiments with rhesus macaques in the late 1960s and early 1970s, Lieberman and his colleagues pinned the problem to monkey throats. They concluded that macaques lacked a sufficient supralaryngeal vocal tract, the space in humans that begins in the mouth and follows the hump of the tongue into the throat. Even if a monkey brain had the correct wiring for speech, the monkey vocal tract simply couldn't produce adequate sounds to talk. More

First Object Teleported from Earth to Orbit

Last year, a Long March 2D rocket took off from the Jiuquan Satellite Launch Centre in the Gobi Desert carrying a satellite called Micius, named after an ancient Chinese philosopher who died in 391 B.C. The rocket placed Micius in a Sun-synchronous orbit so that it passes over the same point on Earth at the same time each day.

Micius is a highly sensitive photon receiver that can detect the quantum states of single photons fired from the ground. That’s important because it should allow scientists to test the technological building blocks for various quantum feats such as entanglement, cryptography, and teleportation.

Today, the Micius team announced the results of its first experiments. The team created the first satellite-to-ground quantum network, in the process smashing the record for the longest distance over which entanglement has been measured. And they’ve used this quantum network to teleport the first object from the ground to orbit. More

Apple is still selling very old and expensive computers – these are the ones you shouldn't buy

Apple is still selling you computers with 2013 specs for 2017 price tags.

While these computers will work fine, they have outdated specs that don't warrant their high price tags. You should steer your wallet well clear of them.

I've listed the Apple computers you shouldn't touch with a 10-foot pole, and added suggestions of computers you should consider instead.

Some of these computers are part of Apple's recent back-to-school promotion, where you can get a free pair of $300 Beats Solo3 Wireless headphones. Yet, even with the free pair of headphones, some computers aren't worth your time or money. More

Water exists as two different liquids

We normally consider liquid water as disordered with the molecules rearranging on a short time scale around some average structure. Now, however, scientists at Stockholm University have discovered two phases of the liquid with large differences in structure and density.

The results are based on experimental studies using X-rays, which are now published in Proceedings of the National Academy of Science (US).

Most of us know that water is essential for our existence on planet Earth. It is less well-known that water has many strange or anomalous properties and behaves very differently from all other liquids. Some examples are the melting point, the density, the heat capacity, and all-in-all there are more than 70 properties of water that differ from most liquids. These anomalous properties of water are a prerequisite for life as we know it. More

DNA scientists claim that Cherokees are from the Middle East

Archaeological evidence, early written accounts, and the oral history ofthe Cherokees themselves show the Cherokees as a mighty nation controlling more than 140,000 square miles with a population of thirty-six thousand or more. Often the townhouse stood on an earthen mound, which grew with successive ceremonial re-buildings.”

In his famous book, “The History of the America Indians” eighteenth century explorer and trader, John Adair stated that several hundred Cherokees, living in the North Carolina Mountains, spoke an ancient Jewish language that was nearly unintelligible to Jews from England and Holland. From this observation, Adair extrapolated a belief that all Native Americans were the descendants of the Ten Lost Tribes of Israel. More

Groundbreaking discovery confirms existence of orbiting supermassive black holes

For the first time ever, astronomers at The University of New Mexico say they've been able to observe and measure the orbital motion between two supermassive black holes hundreds of millions of light years from Earth - a discovery more than a decade in the making.

UNM Department of Physics & Astronomy graduate student Karishma Bansal is the first-author on the paper, 'Constraining the Orbit of the Supermassive Black Hole Binary 0402+379', recently published in The Astrophysical Journal. She, along with UNM Professor Greg Taylor and colleagues at Stanford, the U.S. Naval Observatory and the Gemini Observatory, have been studying the interaction between these black holes for 12 years. More

Snapchat launches location-sharing feature Snap Map

Snapchat’s next big feature wants to get you to meet up with friends in real life rather than just watching each other’s lives on your phones. Snap Map lets you share your current location, which appears to friends on a map and updates when you open Snapchat. It’s rolling out today to all iOS and Android users globally.

“We’ve built a whole new way to explore the world! See what’s happening, find your friends, and get inspired to go on an adventure!,” Snap writes on its blog. More

Feminist researcher invents ‘intersectional quantum physics’ to fight ‘oppression’ of Newton

A feminist academic affiliated with the University of Arizona has invented a new theory of “intersectional quantum physics,” and told the world about it in a journal published by Duke University Press.

Whitney Stark argues in support of “combining intersectionality and quantum physics” to better understand “marginalized people” and to create “safer spaces” for them, in the latest issue of The Minnesota Review.

Because traditional quantum physics theory has influenced humanity’s understanding of the world, it has also helped lend credence to the ongoing regime of racism, sexism and classism that hurts minorities, Stark writes in “Assembled Bodies: Reconfiguring Quantum Identities.”

Konchinsky's suit alleges that the officers' actions violated her First Amendment right to freedom of speech. More

Uranus Is Even Freakier Than We Thought

If David Lynch designed a planet, it would be Uranus. Much like every episode of Twin Peaks: The Return, Uranus is fiercely unique and weirdly endearing, even though it makes no fucking sense. The planet’s spin axis is 98 degrees, so it essentially rotates on its side—and while we have some idea as to what could have caused that, no one’s really sure. That’s just how Uranus rolls, literally.

New research from Georgia Institute of Technology suggests that Uranus’ unusual spin axis could be responsible for another one of the planet’s oddities. Uranus’ magnetosphere, the magnetic field that surrounds it, gets flipped on and off every day as it rotates along with the planet. More

How the Roland TR-808 revolutionized music

If you’re into hip-hop and pop, you’ve probably heard “808” at some point. That’s a reference to the iconic Roland TR-808, a drum machine created by Ikutaro Kakehashi in 1980. Its unique dribbling bass drum sound is what artists mean when they say “turn up the 808.” The pursuit of the perfect low-frequency 808 sound is a real struggle for producers. Make a powerful enough 808, and it can blow your speakers — which can be the goal, if you’re trying to make a real banger.

Over the weekend, Kakehashi died at the age of 87, leaving behind a legacy of creations that had an immeasurable impact on music all over the world. Born in Osaka, Japan, Kakehashi got his start repairing broken watches and clocks when he was 16, and later obtained a degree in mechanical engineering. In 1960, he found his way to electronic instruments at Ace Electronic Industries. He solidified a name for himself in 1972, when he founded Roland Corporation, and spearheaded the creation of synthesizers and drum machines, including the TR-808. More

Scientists Use CRISPR-Cas9 to Create Red-Eyed Mutant Wasps

The red-eyed wasps were created to prove that CRISPR gene-slicing technology can be used on the tiny jewel wasp Nasonia vitripennis, giving scientists a new way to study some of the wasp’s biology.

“No one knows how that selfish genetic element in some male wasps can somehow kill the female embryos and create only males,” said Dr. Omar Akbari, an assistant professor of entomology at the Institute for Integrative Genome Biology at the University of California, Riverside.

“To understand that, we need to pursue their paternal sex ratio (PSR) chromosomes, perhaps by mutating regions of the PSR chromosome to determine which genes are essential for its functionality,” added Dr. Akbari, who is the lead co-author of a paper describing the research, published this week in the journal Scientific Reports. More

"Period Emoji" Could Be Coming To Your Phone Pretty Soon

Women's rights group Plan International is asking supporters to vote on a variety of "period emoji" to be included in the global emoji keyboard.

The organisation has created five emoji and is urging supporters to vote on their favourite. From there, the emoji with the most votes will be submitted to the Unicode Consortium – the group that standardises characters across devices.

The CEO of Plan International Australia, Susanne Legena, said the inclusion of a "period emoji" could help change the taboo surrounding menstruation in many parts of the world. More

DNA Study Sheds Light on Evolution of Dog Breeds

Genetic material from 161 modern breeds helped a team of researchers at the National Human Genome Research Institute (NHGRI) of the National Institutes of Health assemble the most comprehensive evolutionary tree of dogs. The results are published in the journal Cell Reports..

The team, led by NHGRI dog geneticist Dr. Elaine Ostrander, examined genomic data from the largest and most diverse group of breeds studied to date, amassing a dataset of 1,346 dogs representing 161 breeds. Included are populations with vastly different breed histories, originating from all continents except Antarctica, and sampled from North America, Europe, Africa, and Asia. More

Epsilon Eridani System is Remarkably Similar to Our Own

The star Epsilon Eridani, also known as eps Eri, 18 Eri and HD 22049, is located 10.5 light-years away in the constellation Eridanus and is visible in the night skies with the naked eye.

The star’s temperature of 5,116 degrees Kelvin (almost 700 Kelvin cooler than the Sun) and low luminosity (34% solar) tell of a lower mass, approximately 83% that of the Sun.

Though its rotation speed appears similar to that of the Sun, the star is much younger, some 800 million years old, or one-fifth the age of the Sun. The Epsilon Eridani system is the closest planetary system around a star similar to the young Sun and is a prime location to research how planets form around Sun-like stars. More

First Humans Arrived in North America 116,000 Years Earlier than Thought: Evidence from Cerutti Mastodon Site

The Cerutti Mastodon site was discovered by San Diego Natural History Museum researchers in November 1992 during routine paleontological mitigation work.

This site preserves 131,000-year-old hammerstones, stone anvils, and fragmentary remains — bones, tusks and molars — of a mastodon (Mammut americanum) that show evidence of modification by early humans.

An analysis of these finds ‘substantially revises the timing of arrival of Homo into the Americas,’ according to a paper published this week in the journal Nature.

“This discovery is rewriting our understanding of when humans reached the New World,” said Dr. Judy Gradwohl, president and chief executive officer of the San Diego Natural History Museum. More

Is Diagnosing Your Car Problems With Your SmartPhone the Future of Car Tech?

I was driving home from work this past week, and as I was topping a hill on the freeway the dashboard lit up with some ominous error messages about my engine. Next, the check engine light came on.

I was able to get home without issues, but I was assuming that I would need to bring the car in to get it fixed.

Before I went too far, however, I went online to do some research on the specific issue my car was having…

When your check engine light comes on, it’s important to get it checked out right away. The light could be an indication that there is a serious problem like a major engine issue (that could be a safety issue), or it could be something simple like tightening your gas cap (which my wife had to do one time). The point is, until you get it checked, you just don’t know. So get it checked. More

“Super Agers” Have Brains That Look Young

As we get older, we start to think a little bit more slowly, we are less able to multitask and our ability to remember things gets a little wobblier. This cognitive transformation is linked to a steady, widespread thinning of the cortex, the brain's outermost layer. Yet the change is not inevitable. So-called super agers retain their good memory and thicker cortex as they age, a recent study suggests.

Researchers believe that studying what makes super agers different could help unlock the secrets to healthy brain aging and improve our understanding of what happens when that process goes awry.

“Looking at successful aging could provide us with biomarkers for predicting resilience and for things that might go wrong in people with age-related diseases like Alzheimer's and dementia,” says study co-author Alexandra Touroutoglou, a neuroscientist at Harvard Medical School. More

Volcano On Mars Continuously Erupted For Two Billion Years

A meteorite discovered in Algeria in 2012 has led scientists to conclude that a volcano had erupted in Mars continuously for 2 billion years.

Mars has been host to several volcanoes and also houses the largest volcano of our solar system, the Olympus Mons'Study of the meteorite led the researchers to believe that a volcano did exist on the Red Planet, which erupted continuously for 2 billion years.

"Even though we've never had astronauts walk on Mars, we still have pieces of the Martian surface to study, thanks to these meteorites," shared Marc Caffee, member of the meteorite research team and professor of physics and astronomy at Purdue. More

US Army asks for biodegradable ammo

The U.S. Army gets through a lot of ammunition thanks to the amount of training it carries out. But that ammunition doesn't come without waste which slowly degrades over hundreds of years polluting whatever ground (and nearby water sources) it happens to fall upon.

So the Department of Defense (DoD) decided to do something about it, and is requesting environmentally friendly ammunition for use during training exercises.

The request was made via the Small Business Innovation Research (SBIR) program. Specifically, the DoD wants "biodegradable training ammunition loaded with specialized seeds to grow environmentally beneficial plants that eliminate ammunition debris and contaminants." More

Octopuses Are ‘the Closest We Will Come to Meeting an Intelligent Alien’

Convergent evolution is what happens when nature takes different courses from different starting points to arrive at similar results. Consider bats, birds, and butterflies developing wings; sharks and dolphins finding fins; and echidnas and porcupines sporting spines. Or, if you want to annoy a traditionalist scientist, talk about humans and octopuses — and how they may both have consciousness.

This is the thrust of Other Minds: The Octopus, the Sea, and the Deep Origins of Consciousness, a new book by the scuba-diving, biology-specializing philosopher Peter Godfrey-Smith, originally of Australia and now a distinguished professor at the City University of New York’s graduate center. The book was written up by Olivia Judson in The Atlantic, and you should read the whole thing, but what I find mesmerizing is how categorically other the eight-tentacled ink-squirters are, and how their very nature challenges our conceptualizations of intelligence. More

Study Finds Most Government Workers Could be Replaced by Robots

A study by a British think tank, Reform, says that 90% of British civil service workers have jobs so pointless, they could easily be replaced by robots, saving the government around $8 billion per year.

The study, published this week, says that robots are “more efficient” at collecting data, processing paperwork, and doing the routine tasks that now fall to low-level government employees.

Even nurses and doctors, who are government employees in the UK, could be relieved of some duties by mechanical assistants. There are “few complex roles” in civil service, it seems, that require a human being to handle. More

Power Company Sends Fire-Spewing Drone to Burn Trash Off High-Voltage Wires

What happens when your power lines get all kinds of trash hanging from them and it’s not safe to send up a human? In Xiangyang, China, you send in the drones. Specifically, the drones that shoot fire.

Just in case you were worried that the robot uprising was delayed, fear no more. It appears to be right on time, as these fire-spewing drones are sent to burn off trash that gets stuck on high-voltage wires. The drones are being used by an electric power maintenance company in China to get rid of plastic bags and other debris that get caught in places that are hard to reach with a human in a cherrypicker. More

Even Cavemen Brushed Their Teeth — and They Probably Had Better Teeth Than You

As long as humans have had teeth, it’s probably safe to presume, we’ve been getting stuff stuck in them. And as long as we’ve been getting stuff stuck in our teeth, we’ve also been looking for ways to fish it out — which means our ancestors, before inventions like toothpaste and floss, had to get creative with what they had. As the Washington Post reported earlier this week, an archaeologist has discovered the first evidence of how cavemen brushed their teeth.

In a paper recently published in the journal Science of Nature, archaeologist Karen Hardy, a researcher at the Catalan Institution for Research and Advanced Studies, analyzed the remains of a million-year-old jawbone taken from an archaeological site in northern Spain. The bone, one of the oldest human remains ever found in Europe, was too incomplete for researchers to determine the hominid species it belonged to – but luckily for Hardy, there was still plenty of plaque preserved on the teeth, waiting to be examined. “Once it’s there it stays there,” Hardy told the Post. “It’s kind of like a tattoo of biological information — a personal time capsule.” More

Warming up your car engine on cold mornings may be a bad idea

Everybody likes to get into a roasty, toasty vehicle with the heat blasting full force on a cold winter morning.

And the best way to do that is to warm your ride up by letting the engine idle for 10 minutes or more, right?

Not so fast...

A lot of people think that a cold engine needs to warm up in the morning. But the engineers at Road & Track magazine believe otherwise. The idea that engines need to warm up to a certain operating temperature dates back to the time of carburetors. But today's fuel-injected engines can warm up quickly even in the coldest weather. More

Sharks wary of SMS patterned wetsuit says UWA

ASX listed Shark Mitigation Systems have achieved scientific validation of their unique, patented, shark deterrent wetsuits after the University of W.A completed a ground breaking trial of the company’s “SAMS” wetsuit technology with live white sharks in South Africa.

UWA put Shark Mitigation Systems’ claim that their uniquely patterned wetsuits that mimic the colour spectrum of water can deter shark attacks to the test and the results are quite stunning.

In a live scientific trial conducted in June and reported this week, the University of W.A says it took on average 400% longer for sharks to engage with the patterned wetsuits that contained the “SAMS” technology when compared to an ordinary black wetsuit. More

Parallel worlds exist and interact with our world, say physicists

Quantum mechanics, though firmly tested, is so weird and anti-intuitive that famed physicist Richard Feynman once remarked, "I think I can safely say that nobody understands quantum mechanics." Attempts to explain some of the bizarre consequences of quantum theory have led to some mind-bending ideas, such as the Copenhagen interpretation and the many-worlds interpretation.

Now there's a new theory on the block, called the "many interacting worlds" hypothesis (MIW), and the idea is just as profound as it sounds. The theory suggests not only that parallel worlds exist, but that they interact with our world on the quantum level and are thus detectable. Though still speculative, the theory may help to finally explain some of the bizarre consequences inherent in quantum mechanics, reports RT.com. More

Vera Rubin, Who Confirmed Existence Of Dark Matter, Dies At 88

Vera Rubin, the groundbreaking astrophysicist who discovered evidence of dark matter, died Sunday night at the age of 88, the Carnegie Institution confirms.

Rubin did much of her revelatory work at Carnegie. The organization's president calls her a "national treasure."

In the 1960s and 1970s, Rubin was working with astronomer Kent Ford, studying the behavior of spiral galaxies, when they discovered something entirely unexpected — the stars at the outside of the galaxy were moving as fast as the ones in the middle, which didn't fit with Newtonian gravitational theory. More

Time travellers could use parallel dimensions to visit the past, scientists claim

THERE are multiple timelines playing out in parallel universes, according to a team of researchers.

The sensational claim was made by a team of physicists, who believe that the parallel universes can all affect one another.

Professor Howard Wiseman and Dr Michael Hall, from Griffith University’s Centre for Quantum Dynamics, claim that the idea of parallel universes is more than just science fiction. Fellow researcher Dr Dirk-Andre Deckert, from the University of California, helped further the researchers’ theory, which goes against almost all conventional understanding of space and time. More

Is Your GPS Scrambling Your Brain?

Before Noel Santillan became famous for getting lost, he was just another guy from New Jersey looking for adventure. It was last February, and the then 28-year-old Sam’s Club marketing manager was heading from Iceland’s Keflavík International Airport to the capital city of Reykjavík with the modern traveler’s two essentials: a dream and, most important, a GPS unit.

What could go wrong? The dream had been with him since April 14, 2010, when he watched TV news coverage of the Eyjafjallajökull volcano eruption.

Dark haired, clean-cut, with a youthful face and thick eyebrows, he had never traveled beyond the United States and his native Mexico. But something about the fiery gray clouds of tephra and ash captured his imagination. I want to see this through my own eyes, he thought as he sat on his couch watching the ash spread. More

Female monkeys use wile to rally troops

Female vervet monkeys manipulate males into fighting battles by lavishing attention on brave soldiers while giving noncombatants the cold shoulder, researchers said Wednesday.

As in humans, it turns out, social incentives can be just as big a driver for male monkeys to go to war as the resources they stand to gain from fighting, whether it be territory or food.

"Ours is the first study to demonstrate that any non-human species use manipulative tactics, such as punishment or rewards, to promote participation in intergroup fights," study co-author Jean Arseneau, a primate specialist of the University of Zurich, told AFP.

Arseneau and a team studied four vervet monkey groups at a game reserve in South Africa for two years. They observed that after a skirmish with a rival gang, usually over food, females would groom males that had fought hardest, while snapping at those that abstained. More

What It Feels Like to Die

“Do you want to know what will happen as your body starts shutting down?”

My mother and I sat across from the hospice nurse in my parents’ Colorado home. It was 2005, and my mother had reached the end of treatments for metastatic breast cancer.

A month or two earlier, she’d been able to take the dog for daily walks in the mountains and travel to Australia with my father. Now, she was weak, exhausted from the disease and chemotherapy and pain medication.

My mother had been the one to decide, with her doctor’s blessing, to stop pursuing the dwindling chemo options, and she had been the one to ask her doctor to call hospice. Still, we weren’t prepared for the nurse’s question. My mother and I exchanged glances, a little shocked. But what we felt most was a sense of relief. More

Alien Star Passed Through Our Solar System 70,000 Years Ago

Around the time modern humans are thought to have first spread across Asia, a red dwarf star passed just 0.8 light-years from the sun, a group of astronomers have concluded.

Our wandering ancestors probably never noticed. Scholz's star, as the red dwarf star is nicknamed, is so faint that, despite being just 20 light-years away, it was only discovered in 2013. Even when 25 times closer, and therefore 600 times brighter, the star officially known as WISE J072003.20-084651.2 would have required binoculars to detect (had they existed at the time). However, magnetically active stars like Scholz's can flare and it's possible that it may have occasionally become bright enough to puzzle an observant early human.

Scholz's star almost certainly passed through the Oort cloud, where most comets dwell, but probably didn't reach the inner cloud where a gravitational disturbance can trigger a cascade of comets into the inner solar system. More

Want Power? Fire Up the Tomatoes and Potatoes

Summer is high season for composting food waste—and, at large scale operations, for generating power by burning the biogas it generates. But scientists around the globe are figuring out new ways to turn decomposing food into power beyond the trash heap, and they’re finding that some foods are better-suited to the job than others.

That matters because figuring out which foods turn into fuel efficiently makes it easier to reuse waste where it starts: in the fields and supermarkets.

Every year, more than half the fruits and vegetables produced in North America and Ocenania end up in the garbage heap, and a full 20 percent of produce grown fails to even make it off the farm. More

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