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Science and Technology News, Science Articles | Discover Magazine

Science news, articles, current events and future views on technology, space, environment, health, and medicine.

New Origami-inspired Design Turns Pushing Into Pulling  

The series of paper cells developed by researchers at the University of Washington uses origami folds to absorb the force of impacts. (Credit: Kiyomi Taguchi/University of Washington) Whether applied to auto collisions or rocket landings, absorbing energy from impacts is a valuable trait, and industries have been working on various solutions for years. For spacecraft, landing safely has entailed everything from inflatable airbag systems to sky cranes to retro-thrusters. But what if the

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2019-05-24 20:35:10

What's up with all this wild, weird weather — and is it linked to climate change?  

Violent thunderstorms boiled up across Oklahoma, Kansas and Missouri on May 22, 2019, as seen in this animation of infrared images acquired by the GOES-16 weather satellite. Tornadoes, including one that ravaged parts of Jefferson City, MO, are indicated by blue-colored T's. (Note: The animation may take awhile to load. It's worth the wait! Source: CIMSS Satellite Blog) It certainly has been a wild — and deadly — few weeks for weather. Since the first and 23rd of May, 340 tor...

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2019-05-24 13:22:01

Reading Mars' Deep Climate History in the Layers of its Ice Cap  

Radar reveals that Mars is hiding past ice caps under the ones visible today. (Credit: SA/DLR/FU Berlin; NASA MGS MOLA Science Team) Bands of ice and sand at Mars' north pole reveal an ancient climate that swung between warm and cold. Mars, now dry and dusty, still holds water ice at its poles, and evidence strongly suggests it was once a planet where water flowed freely across the surface. The Mars Reconnaissance Orbiter's Shallow Radar (SHARAD) has peered deep into th...

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2019-05-24 02:49:54

NASA Announces Contractor for First Component of Lunar Gateway  

The power and propulsion system for the Lunar Gateway will be built by Maxar. Courtesy of Business Wire) In a talk at the Florida Institute of Technology on Thursday, NASA administrator Jim Bridenstine announced that Maxar Technologies will build the first stage of NASA's planned Lunar Gateway. The Gateway, part of NASA's larger Artemis program to return to the moon, is meant to be a waystation of sorts placed in a long orbit around the moon. It will provide a habitat for ast...

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2019-05-23 19:55:59

Room Temperatures Set for Men's Comfort May Disadvantage Women, Study Finds  

Researchers say women are worse at math and word-based tasks at cooler room temperatures. (Credit: ESB Professional/Shutterstock) "The women's winter is here. The freeze is upon us," warns a Game of Thrones parody about men and women's office temperature preferences. If you have a Y chromosome, you probably haven't experienced "women's winter." As the video explains, women's winter is "when spring turns to summer and there's blossom on the trees, the office ai...

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2019-05-23 09:58:02

Why Scientists Are Putting a Telescope on the Bottom of the Ocean  

The telescope, once complete, will be made of hundreds of spherical detectors suspended at the bottom of the sea. (Credit: KM3NeT) Deep under the Mediterranean Sea, hundreds of watchful eyes hang suspended on cables, waiting for a rare and valuable flash. Their quarry are ghostly neutrino particles, capable of tunneling through light-years of space and a planet's worth of rock without ever coming into contact with matter. But, here, under the ocean, they just might hit a detector

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2019-05-23 04:57:13

Throughout the Ocean, Climate Change is Forcing Plankton to Move  

(Credit: Choksawatdikorn/Shutterstock) Some of the smallest creatures in the sea are also some of the most influential. Plankton, a group of microscopic marine organisms that includes bacteria, amoebas and snail larvae, among other things, prop up the base of the oceanic food chain. Every sea creature, from clownfish to whales, ultimately depend on plankton for food. Now, a new study that peers into a past before human influence shows climate change has upset the distribution of

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2019-05-23 04:04:49

Rare Meteorite Fall in Costa Rica Could Shed Light on Earth's Water  

One of the meteorites that fell at Aguas Zarcas struck a doghouse's roof. (Photo courtesy of Michael Farmer) A rare meteorite fall in Costa Rica has astronomers racing to get their hands on samples. Meteorites are an astronomer's dream. In a field that by definition studies objects and phenomena above and beyond Earth's atmosphere, many researchers never get a chance to touch or see up close the things they study. But then, sometimes, these items simply rain down from the sky...

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2019-05-22 15:07:31

Billion-Year-Old Fossil Fungi, Oldest Known, Revises Broader Evolution Timeline  

The fungus among us is a key player in the ecosystem — and was part of the world hundreds of millions of years before we were. Hold on, make that potentially a billion years before we came along. Fungi microfossils from the Canadian Arctic are 900 million-1 billion years old, pushing back the fossil record for these organisms by at least 450 million years. This discovery is about more than the very distant evolutionary kin of mushrooms, however. The microfossils include the earliest ...

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2019-05-22 06:45:59

Bipolar Disorder Increases Parkinson's Risk Sevenfold  

(Credit: Bipolar patients are seven times more likely to develop Parkinson's disease, according to a new study. Though the news may be disheartening to those suffering from the already-trying condition, the link might also lead to clues about the causes behind the two conditions. Parkinson's is a complex disease associated with a gradual decline in dopamine levels produced by neurons, or brain cells. It eventually leads to impaired movements and ...

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2019-05-22 05:14:34

The Scientist's Drug Dealer: How Researchers Get Illicit Drugs  

(Credit: Africa Studio/Shutterstock) Public interest in the science of powerful psychoactive drugs is at an-all-time, er, high. Evidence for the therapeutic benefits of marijuana, MDMA, psilocybin and more is growing, based on a resurgence of scientific interest in studying these compounds. But many of these drugs are strictly banned by the federal government, and those caught with them on the street can face steep fine and felony prison time. So where are researchers getting the

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2019-05-22 04:03:45

Our Moon May Have Been Hit By a Dwarf Planet Long Ago  

The moon's far side, as photographed by the Lunar Reconnaissance Orbiter (LRO) (Credit: NASA/GSFC/Arizona State University) The familiar lunar vista humans see when they look up at night reveals a face with dark "seas" and bright craters. The mysterious far side, which wasn't revealed until humans started sending probes and then people in the 1960s, is far more heavily cratered, with few of the dark plains of the near side. But what caused the two sides to be so different? Tha...

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2019-05-21 19:55:04

Scientists Gear Up to Look For Fossils on Mars  

Upcoming missions like NASA's Mars 2020 might already have the technology to find tiny micro-fossils on the Red Planet. (Credit: NASA/JPL-Caltech) When most people imagine hunting for fossils, they probably think of finding dinosaur bones laid down in layers of rock. But the vast majority of life - and therefore fossils - across Earth's history has been microorganisms. These tiny lifeforms, either plants, animals or fungi, can be smaller than the width of a human hair. But with ...

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2019-05-21 17:42:14

Pushy Bonobo Moms Help Their Sons Get Lucky  

(Credit: Gudkov Andrey/Shutterstock) Seeing anyone special? Thinking about having kids? When am I going to have some grandchildren? Many moms nag their adult children about the prospect of grandchildren. But bonobo moms take their maternal harassment to another level: They actively participate in helping their sons find mates. Even more surprisingly, the pushy tactic gets results. The sons of overbearing mothers are more likely to father offspring, says a group of resear

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2019-05-21 11:23:23

Baby Tiger Sharks Are Eating Sparrows And Woodpeckers  

A tiger shark — woodpeckers beware. (Credit: Shane Gross/Shutterstock) Often called "the garbage cans of the sea," tiger sharks are voracious eaters. The sharks will eat just about anything — fish, other sharks, seabirds, sea turtles, whale carcasses. The list goes on.  That hodgepodge of prey now also includes a few creatures that don't usually even go in the ocean. Young tiger sharks also feast on sparrows, woodpeckers and other land-based birds, says a group of resear...

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2019-05-21 06:42:48

Thin Insulation Layer May Prevent Pluto's Underground Ocean From Freezing  

Pluto's Sputnik Planitia may be insulating its underground ocean. (Credit: NASA/JHU-APL/SwRI) Pluto has left astronomers puzzled ever since the world was discovered in 1930. And its mysteries only grew in the aftermath of NASA's New Horizons probe, which cruised by the dwarf planet in 2015. One point of confusion is Sputnik Planitia, part of the now-familiar heart-shaped region on Pluto's northern hemisphere. New Horizons' instruments hinted that there might be an undergro...

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2019-05-21 05:58:23

Weird, Mysterious and Threatened: Can Scientists Save the Platypus?  

A platypus (Ornithorhynchus anatinus) pauses for a moment after being released by scientists into the Little Yarra River, its home stream in Victoria, Australia. (Credit: Douglas Gimesy) With the bill of a duck, the body of an otter, and the tail of a beaver, the platypus (Ornithorhynchus anatinus) has a long history of confounding the humans who've encountered it. Early European settlers took to calling the strange, semi-aquatic mammals they found living in eastern Australian stream...

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2019-05-21 02:32:57

Apollo Astronauts, in Their Own Words  

The astronauts who flew to the moon reflect on legacies, comfort and loneliness.

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2019-05-20 21:43:38

Training Apollo's First Lunar Scientists  

Geologists played a key role in the Apollo program.

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2019-05-20 19:02:35

Rising Seas Swallowed Countless Archaeological Sites. Scientists Want Them Back  

From Doggerland to Beringia, the sea took some of prehistory’s most important archaeological sites. All over the world, scientists are beginning to find them again.

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2019-05-20 17:13:43

Legacy of Lunar Data: How Apollo Revealed our Moon  

The mission data gathered remain the most valuable information we have about the history of the moon — and the solar system.

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2019-05-20 11:32:06

For Neil, Apollo Was the First Step in Humanity's Cosmic Migration  

Neil Armstrong saw himself as an engineer first. But he also knew he was part of a long chain of human migration.

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2019-05-20 09:58:41

The Definition Of a Kilogram Changes Today — What That Means  

As of today, new standard defines the kilogram. (Credit: Shutterstock/Piotr Wytrazek) We measure stuff all the time - how long, how heavy, how hot, and so on - because we need to for things such as trade, health and knowledge. But making sure our measurements compare apples with apples has been a challenge: how to know if my kilogram weight or meter length is the same as yours. Attempts have been made to define the units of measurement over the years. But today - Internati...

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2019-05-20 06:07:40

Meet the Mercury 13: Women Fight for Spaceflight  

The Mercury 13 aced the same tests as male astronauts, but decades would pass before American women flew in space.

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2019-05-20 01:18:23

Processed Foods, Regardless Of Nutrition, Still Worse For You  

You probably already had a feeling you should skip the vending machine for an afternoon snack. But it turns out ultra-processed foods are even worse than we already thought. A new study, out in Cell Metabolism, shows these foods cause weight gain even when they don't have more fat, sugar, or carbohydrates than their healthier counterparts. There's something about the processing itself that causes people to eat more before they feel full. On the flip side, switching to a whole food di...

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2019-05-17 09:05:18

Hubble Spies a Galaxy Deformed and Rejuvenated by a Near Collision  

A cosmic hit-and-run some 30 million light-years away has left one galaxy with an identity crisis. For billions of years, the now-irregular NGC 4485 lived a nice and normal life as a standard spiral galaxy located in the constellation Canes Venatici (the Hunting Dogs). Then, a few million years back, NGC 4485 experienced a near-miss when the equivalent of a galactic semi-truck (NGC 4490) careened past it, creating a gravitational wake that wreaked havoc for both parties. The

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2019-05-17 07:11:53

Beyond Harmful Gas: The Future of Refrigeration May Rely on 'Plastic Crystals'  

(Inside Science) -- Refrigeration has been around for about 100 years, but hasn't changed much in that time. A time traveller from the early 1900s would still recognize the big box full of chilled food in your kitchen. But soon, researchers say, new materials could replace refrigeration as we know it, making it more adaptable, efficient and environmentally friendly. Standard fridges work using a process called vapor compression. A compressor increases the pressure on a gas, which raises...

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2019-05-16 20:47:12

O'Neill Colonies: A Decades-Long Dream for Settling Space  

Last week, Amazon founder Jeff Bezos revealed his spaceship company's new lunar lander, dubbed Blue Moon, and he spelled out a bold and broad vision for humanity's future in space. Faced with the limits of resources here on Earth, most fundamentally energy, he pointed to life in space as a solution. "If we move out into the solar system, for all practical purposes, we have unlimited resources," Bezos said. "We could have a trillion people out in the solar system." And while colonies...

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2019-05-16 19:47:16

On Islands, Tons of Plastic Trash Is Likely Buried Beneath the Sands  

We all know our plastic problem is out of control. So far, humans have produced more than 8.3 billion metric tons of plastic, and that number is only growing. Now, a new study in Scientific Reports claims that the problem goes deeper than we thought — literally. The Plastic Beneath An Australian team of researchers traveled to the Cocos (Keeling) Islands (CKI), a remote archipelago in the Indian Ocean that's roughly 1,700 miles off the northwest coast of Australia. There, they sur...

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2019-05-16 16:27:25

New Horizons Reveals Ultima Thule's Quiet, Lonesome Past  

After New Horizons streaked past Pluto in 2015, its main task was over, but it still had work to do. On New Year's Day of 2019, it made a flyby of another, even more distant object named 2014 MU69, more commonly called Ultima Thule. Since then, the spacecraft has been slowly but steadily sending streams of information back across the increasingly vast gulf of space between it and Earth. From that information, scientists now know that the snowman-shaped space rock formed from a gentle co...

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2019-05-16 16:24:46

Frenchie Breathing Problems Run Deeper Than Smushed Faces  

Who can resist a smooshed nose, wrinkly wide grin, and buggy eyes? Flat-faced dog breeds like bulldogs and pugs have become the popular "it" pets of the moment. But the iconic looks that make Frenchies and the like so photogenic can also be harmful to their health and wellbeing. Veterinarians have long known that brachycephalic breeds - or dogs bred to have condensed snouts - are prone to breathing issues. One of the most worrisome conditions is what's called Brachycephalic ...

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2019-05-16 13:27:25

On Islands, Tons of Plastic Trash Is Likely Buried Beneath the Sands  

We all know our plastic problem is out of control. So far, humans have produced more than 8.3 billion metric tons of plastic, and that number is only growing. Now, a new study in Scientific Reports claims that the problem goes deeper than we thought — literally. The Plastic Beneath An Australian team of researchers traveled to the Cocos (Keeling) Islands (CKI), a remote archipelago in the Indian Ocean that's roughly 1,700 miles off the northwest coast of Australia. There, they sur...

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2019-05-16 09:03:40

Tonight's SpaceX Starlink Launch Could be the Start of a New Internet  

Tonight, SpaceX will launch the first flock of their Starlink satellites to space. These are the vanguard of what CEO Elon Musk hopes will eventually become a network of 12,000 orbiting devices providing cheap, global internet coverage. The launch window opens at 10:30 p.m. E.T. The satellites, which are densely packed inside the cargo hold already, will be delivered to space on a Falcon 9 rocket. The weather forecast for Cape Canaveral, SpaceX's standard launch site, looks promising fo...

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2019-05-15 18:07:02

NASA Names 2024 Moon Mission 'Artemis,' Asks Congress for Funding  

On Monday night, NASA Administrator Jim Bridenstine announced the space agency has named its planned mission to put humans back on the lunar surface: Artemis. As the Greek deity most associated with the Moon, and the god Apollo's twin sister, the namesake choice was an obvious fit. On the logistical side, Bridenstine also announced that NASA will ask Congress for an additional $1.6 billion in funding to jumpstart the program. NASA has not put forward a full budget for the ambitious Arte...

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2019-05-15 18:07:01

Scientists Discover Hawaiian 'Supercorals' Thriving In Warm, Acidic Water  

Climate change is decimating coral reefs. As humans put greenhouse gasses into Earth's atmosphere, they warm the planet before settling back down into the oceans and making the water more acidic. These combined factors have caused coral die-offs around the world. But now researchers have found a set of corals in Hawaii's Kāne'ohe Bay that can already tolerate warmer temperatures and more acidic waters. Scientists are calling them "supercorals." These corals even bounced back after sewag...

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2019-05-15 16:34:40

China's Lunar Rover Finds Ancient Rocks in Moon's Biggest Crater  

Since January, China's Chang'e-4 mission - an orbiter and a rover - has been exploring the far side of the moon, particularly the prized South Pole-Aitken Basin, an asteroid impact crater that stretches across nearly a quarter of the moon's surface. It's the biggest crater on the moon, as well as the deepest and the oldest. That's long left scientists suspecting that Aitken may hold vital clues as to how the moon - and many other solar system bodies - evolved. Now, the Cha...

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2019-05-15 15:22:49

MRI Scans During Birth Show How a Baby's Head Changes Shape  

Don't get a big head, your mother may have told you. That's good advice, but it comes too late for most of us. Humans have had big heads, relatively speaking, for hundreds of thousands of years, much to our mothers' dismay. Our oversize noggins are a literal pain during childbirth. Babies have to twist and turn as they exit the birth canal, sometimes leading to complications that necessitate surgery. And while big heads can be painful for the mother, they can downright transformative for...

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2019-05-15 13:38:21

Apollo-era Moonquakes Hint That Moon is Still Active Today  

New analysis of Apollo-era quakes on the moon reveal that the moon is probably still tectonically active. Detectors laid down by Apollo astronauts revealed small shakes on the moon, but their causes weren't well understood. And meteor strikes like those that caused the moon's most distinctive features still rain down today, meaning astronomers couldn't be sure whether the moon was shaking itself, or being shaken by external forces. The new research tracked the epicenters of each sma...

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2019-05-15 05:29:51

Scientists Find Genetic Reason Why Store-Bought Tomatoes Taste So Bland  

Store-bought tomatoes taste horrifically disgusting — err, bland. Now scientists have discovered a version of a gene that helps give tomatoes their flavor is actually missing in about 93 percent of modern, domesticated varieties. The discovery may help bring flavor back to tomatoes you can pick up in the produce section. "How many times do you hear someone say that tomatoes from the store just don't quite measure up to heirloom varieties?" Clifford Weil, program director of the National...

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2019-05-14 03:42:14

Amber Preserves Rare Snapshot Of Coastal Life 99 Million Years Ago  

Amber, being fossilized tree resin, usually preserves scenes from an ancient forest. The latest stunning find from Myanmar, however, is a souvenir from a day at the beach 99 million years ago, including the first ammonite, a marine animal, preserved in amber. The piece of amber is small — about the size of a standard pair of dice, and less than a quarter of an ounce — but it's jam-packed with animals that tell an intriguing story about its journey from tree trunk to fossil bed. Th...

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2019-05-14 01:26:08

Scientists Are Beginning to Understand How The Universe's First Stars Exploded  

The universe's first stars were extremely hot and incredibly large, often reaching hundreds of times the mass of the Sun. And because they formed just a few hundred million years after the Big Bang, these boiling behemoths contained virtually no elements heavier than hydrogen and helium, which were the only materials readily available at the time. But due to their sizeable stature, the first stars also lived fast and died hard — lasting only a couple million years before they explode...

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2019-05-11 04:49:53

Researchers Discover Deep-Sea Fish Might See In Color  

In the dim light of dusk, the world appears gray. That's because we, like most vertebrates, have just on type of rod opsin, the light-sensitive pigment in our eyes that lets us see in low light. During the day, a different set of pigments in cone cells pick up a broader range of wavelengths, giving us color vision. Now, an international team of researchers has discovered that fish living in the dark depths of the oceans nearly a mile below the surface may use rod opsins — which grant u...

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2019-05-11 03:26:45

Early Galaxies Shone Brighter and Hotter than Expected  

Our universe's first galaxies shone hotter and brighter than scientists thought, according to a group of astronomers who tapped a whopping 400 hours of observing time on NASA's Spitzer Space Telescope. The discovery could answer a long-standing question about how light first traveled freely through the infant universe. "We did not expect that Spitzer, with a mirror no larger than a Hula-Hoop, would be capable of seeing galaxies so close to the dawn of time," study author Micha...

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2019-05-11 02:22:58

Scarred Brains or Shiny Statistics: The Perils of CCA  

A paper in PNAS got some attention on Twitter recently. It's called Childhood trauma history is linked to abnormal brain connectivity in major depression and in it, the authors Yu et al. report finding (as per the Significance Statement) A dramatic primary association of brain resting-state network (RSN) connectivity abnormalities with a history of childhood trauma in major depressive disorder (MDD). The authors go on to note that even though "the brain imaging took place decades after trauma

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2019-05-11 01:42:23

Prehistoric Medicine: How Archaic Humans Cured Themselves  

Long before Alexander Fleming discovered penicillin in 1928, people were using antibiotics to combat infections. In the late 1800s, French physician Ernest Duchesne observed Arab stable boys treating sores with mold growing on saddles. Duchesne took a sample of the fungus, identified it as Penicillium and used it to cure guinea pigs infected with typhoid. Earlier still, texts from ancient civilizations, including Rome, Egypt and China, discussed the healing powers of moldy bread applied t

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2019-05-10 03:08:15

Rural Communities Are Getting Obese Faster Than City Dwellers  

Around the world, obesity is on the rise. A global uptick in body mass index, or BMI — a measure of whether a person's weight is healthy for how tall they are — has coincided with rapid urbanization, leading to the assumption that urbanization is the main reason behind the global obesity epidemic. Now, a large new report reveals the rise of global BMI comes from people living in rural areas rather than people living in urban areas. The finding contrasts theories that urban lifes...

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2019-05-09 14:24:08

Bezos Unveils Bold Plans for Human Spaceflight, Plus a 'Blue Moon' Lander  

On Thursday, Blue Origin founder and Amazon owner Jeff Bezos unveiled the Blue Moon lander, a spacecraft that can deliver up to 6.5 tons of cargo - and possibly crew - to the lunar surface. The announcement was made at a news conference in Washington, D.C. Along with Blue Moon, he revealed his new BE-7 rocket for the lander, which he says has been in development for three years. If all goes according to plan, the company will test fire the rocket for the first time this summer. Together,...

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2019-05-09 12:32:02

Tiny Spacecraft Tested As Part of Breakthrough Starshot Plan For Interstellar Travel  

The first human-made spacecraft to reach another star system might fit in the palm of your hand. That's the design engineers from the University of California, Santa Barbara are working on. The tiny craft, which weighs about as much same as a stick of gum, had its first test flight in April, where it soared more than 100,000 feet in the air. Its creators hope its successor will one day fly in space, perhaps even beyond the solar system to neighboring stars like Alpha Centauri. Wafercraft...

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2019-05-09 11:25:34

From space, spring storminess looks like a boiling cauldron of atmospheric stew  

And the stew is now boiling more vigorously: Heavy precipitation events have grown stronger and more frequent over the long run With big, boiling thunderstorms spewing hail and spawning tornadoes in the Southern Plains and beyond even as snow once again falls elsewhere, the weather sure does seem wild and weird this week. Spring often brings a meteorological roller coaster ride, thanks to the tension between lingering cold and spreading warmth. And, in fact, severe weather is the...

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2019-05-09 10:04:53

In Antarctica, Where Penguins Poop, Life Blooms  

Penguins love company — some colonies of the flightless bird boast numbers over 1 million. And with squads that can run that deep, you can be sure they make a mess of things, if you know what I mean. (Hint: I'm talking about poop.) But penguin waste isn't just messy, it can be useful, too. Researchers have used it to help spot colonies in the past. Now, it seems that poop might be good for something else as well. In a study out in Current Biology, researchers from Vrije Universiteit...

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2019-05-09 06:43:44

Scientists Heal Damaged Donor Lungs, Giving Hope to Waitlisted Patients  

As a lung transplant surgeon, Matt Bacchetta has watched countless patients wait for an organ, only to not get one. About 80 percent of donor lungs are not in good enough to shape to use. Now Bacchetta and a team of researchers from Columbia University in New York City have shown that they can repair damaged pig lungs so they are suitable for transplants. If it works in humans, the discovery could dramatically expand the number of usable donor organs, the researchers say. "There's suc...

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2019-05-08 14:22:56

Lyft and Uber Might Actually Be Making Traffic Worse  

These are consequential days for ride-sharing companies like Uber and Lyft. Drivers in many U.S. cities are going on strike today, protesting low pay, and analysts expect Uber will likely earn billions when it goes public on Friday. (The two events are not unrelated.) But amidst the economic discussions, at least we can all agree that it's good news in terms of traffic, right? The more people rely on professional drivers to get around, the fewer individual cars will be clogging up the s...

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2019-05-08 13:16:26

Was Australopithecus Sediba Our Ancestor?  

Remember Australopithecus sediba? The convention-challenging South African hominin, announced with much fanfare in 2010, has gotten lost in a torrent of other recent fossil finds from our family tree. A new study adds insult to injury, stacking the odds against A. sediba's place in our distant evolutionary past. The last decade or so has been a wild ride for researchers trying to figure out the story of human evolution. The family tree of hominins — humans and species more closely r...

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2019-05-08 04:33:16

New Dinosaur Species May Have Flown Like a Bat  

Powered flight among large living things has been around for hundreds of millions of years. Dinosaurs, and their relatives the pterosaurs, figured out how to take to the skies long before their avian descendants today did. Now, a new species of dinosaur is shedding some light on the evolutionary path that lofted reptiles skyward. The fossil, discovered in Liaoning Province in China and named Ambopteryx longibrachium, is actually notable for the fact that it seems to be an altogether diffe

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2019-05-08 04:08:07

New study reveals "extraordinary change" in El Niño possibly linked to climate change  

In a first, researchers have used chemical fingerprints locked within coral skeletons to build a season-by-season record of El Niño episodes dating back 400 years — a feat many experts regarded as impossible. That record, presented in a new study appearing in the scientific journal Nature Geoscience, reveals an "extraordinary change" in the behavior of El Niño, according to the researchers. That shift "has serious implications for societies and ecosystems around the world." To c...

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2019-05-08 04:03:05

Antimatter Acts Like Regular Matter in Classic Double Slit Experiment  

(Inside Science) -- One of the strangest things about quantum mechanics is that a particle can act like a wave. In particular, in a double-slit experiment, individual particles that are shot through a pair of slits create a pattern as if they each went through both slits simultaneously and interfered with themselves. Researchers have now shown for the first time that antimatter behaves in the same unintuitive way. Antimatter particles correspond to the regular particles that we are used t

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2019-05-07 09:47:06

NASA's DART Mission Will Try to Deflect a Near-Earth Asteroid  

(Inside Science) -- Science fiction books and films have frequently featured the threat of a giant asteroid colliding with our planet and making humans go the way of the dinosaurs. But smaller space rocks also pose threats, and they tend to be harder to spot in advance. A massive asteroid on a collision course would sail through our atmosphere and explosively burst in the air or crater the ground. Its invasion would initiate blasts of fire and thermal radiation, and likely cause numerous

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2019-05-07 07:02:13

Study Uncovers How Coca-Cola Influences Science Research  

Coca-Cola has poured millions of dollars into scientific research at universities. But if the beverage giant doesn't like what scientists find, the company has the power to make sure that their research never sees the light of day. That's according to an analysis published in the Journal of Public Health Policy that explains how Coca-Cola uses contract agreements to influence the public health research it financially supports. The paper explains that Coca-Cola uses carefully-c...

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2019-05-07 06:24:17

SNAPSHOT: A Tropical Velvet Worm's Death Trap  

Using nozzle-like extensions on the side of its head, a tropical velvet worm shoots streams of sticky slime when hunting or defending itself. Within the fluid are "nanoglobules," tiny balls made of lipids and proteins. Once the slime hits the target, it's over fast: The movement of the struggling prey, such as beetles and termites, causes the globules to harden into fibers as strong as nylon, creating a netlike trap that immobilizes the unlucky insect. Remarkably, the ball-to-fiber pro...

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2019-05-07 05:09:09

'Transformative Change' Needed: One Million Species Risk Extinction  

One million species are threatened with extinction, more than ever before in human history, according to a landmark report released Monday from the United Nations. And humanity is responsible. "Ecosystems, species, wild populations, local varieties and breeds of domesticated plants and animals are shrinking, deteriorating or vanishing," said Josef Settele, an ecologist at the Helmholtz Center for Environmental Research in Germany, who co-chaired the new assessment, in a statement. "This...

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2019-05-07 01:31:28

A Monkey Brain and an AI Teamed Up to Make These Unsettling Images  

Impressionist art, or perhaps nightmare fuel — these images are a confusing mess to the human eye. But to a macaque's brain cells, says a group of researchers, the images are fascinating. The pictures are the result of an experiment that paired artificial intelligence with primate intelligence. The goal was to create images specifically tuned to stimulate neurons in a monkey's visual cortex. It's not an attempt to create monkey-centric art. Instead, the jumbled images might help make ...

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2019-05-06 16:42:16

Could Quantum Mechanics Explain the Existence of Spacetime?  

Rod Serling knew all about dimensions. His Twilight Zone was a dimension of imagination, a dimension of sight and sound and mind, a dimension as vast as space and timeless as infinity. It was all very clear except for the space and time part, the dimensions of real life. Serling never explained them. Of course, ever since Einstein, scientists have also been scratching their heads about how to make sense of space and time. Before then, almost everybody thought Isaac Newton had figur

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2019-05-06 14:38:15

Neutron Star Merger Seeded Solar System with Heavy Elements  

Before the planets in our solar system formed or the sun turned on and started shining, two other stars had to die. Their deaths and later collision would seed the area where our area with many of the heavy materials needed for life on Earth. Now, 4.6 billion years later, astronomers are piecing together the story of these long-dead stars. To do this, researchers studied different ways to make the heavy elements in question - exploding stars or violent collisions between stars - al...

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2019-05-06 10:07:12

New Tiny Tyrannosaur Species Fills Gap in T. rex Origin Story  

In 1902, famed fossil hunter Barnum Brown was prospecting in Montana when he discovered the first documented remains of a Tyrannosaurus rex. The creature was nearly 40 feet long with banana-sized teeth, warranting its name, "king of the tyrant lizards." Finds since then have only reinforced T. rex's status as one of the planet's most ferocious predators ever. We now know that — in a world of large plant-eaters — these hunters didn't just rely on their enormous size, they had ke...

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2019-05-06 07:31:39

Astronomers Stitch Hubble's Hits Into 'Legacy Deep Field' Image  

The Hubble Space Telescope has outdone itself once again. By leveraging multiple deep surveys that peer across the cosmos and back to the first 500 million years after the Big Bang, astronomers have created the deepest, widest portrait yet of the distant universe. Astronomers combined 7,500 exposures containing 265,000 galaxies into one image representing more than 250 days of Hubble observing time. Like other deep surveys, astronomers can use it as a time capsule from the early universe, a...

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2019-05-06 06:42:41

The Flamingos' Future: Lessons From A Race To Rescue Thousands of Abandoned Chicks  

The incessant "eep, eep, eep" of hundreds of hungry flamingo chicks bounces off the concrete walls of a feeding room at the SANCCOB wildlife sanctuary in Cape Town, South Africa. Teri Grendzinski reaches into a pen and plucks out a fluffy, pale pink chick. She grips it gently with one hand. The bird opens its mouth eagerly as her syringe squirts out a kind of warm shrimp milkshake. It's noisy, hot work. To keep the chicks warm away from their nests, their rooms are heated to a balmy...

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2019-05-03 19:49:26

Pandas Are More Like Carnivores Than You Think  

Ah, giant pandas. Aside from their reputation for being, well, not the sharpest crayons in the box, they're most closely associated with munching almost exclusively on bamboo. But that taste for bamboo has always stumped researchers. First off, other members of the bear family are either carnivorous or at the very least omnivorous. Plus, despite having evolved specific physical traits, like their strong jaws and pseudo-thumbs, to help them eat bamboo, pandas have what's essentially a car...

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2019-05-03 15:15:15

Venus Reimagined: A New Image of an Active World  

If you could peer through the 160 miles of noxious clouds driven by hurricane-force winds over Venus, you'd witness a barren landscape strewn with volcanoes, mountains and high plateaus. Scientists have long suspected that these features formed hundreds of millions of years ago. And today, the thinking went, Venus is geologically dead. But now a cascade of new research in is forcing astronomers to reconsider that idea. Explaining Venus' Young Surface Venus is often called Earth's twi...

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2019-05-03 15:09:41

Narwhals Are Flourishing Despite Vulnerable Genetic Diversity  

Narwhals, the unicorns of the sea, have survived for a million years with low genetic diversity — a trait that usually suggests a species is close to extinction. But a recent survey found narwhals number in the hundreds of thousands, countering the assumption that lots of gene variants within a population are necessary for survival. "There's this notion that in order to survive and be resilient to changes, you need to have high genetic diversity, but then you have this species that fo...

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2019-05-03 13:13:10

Humans Domesticated Dogs And Cows. We May Have Also Domesticated Ourselves  

Humans have turned many wild animals into cuddlier creatures. We've domesticated wolves into dogs, boars into barnyard pigs and mountain goats into livestock that do yoga. But in addition to helpful animals and adorable pets, humans may have also domesticated an altogether different creature: Homo sapiens. The so-called self-domestication hypothesis, floated by Charles Darwin and formulated by 21st century scholars, is now popular among anthropologists. They see parallels between changes...

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2019-05-03 11:30:03

Here's What it Looks Like When A Gene 'Turns On'  

In the murky darkness, blue and green blobs are dancing. Sometimes they keep decorous distances from each other, but other times they go cheek to cheek — and when that happens, other colors flare. The video, reported last year, is fuzzy and a few seconds long, but it wowed the scientists who saw it. For the first time, they were witnessing details of an early step — long unseen, just cleverly inferred — in a central event in biology: the act of turning on a gene. Those blue and ...

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2019-05-03 07:35:33

History of the Horse: Ancient DNA Reveals Lost Lineages  

In the largest-ever ancient DNA study of its kind, researchers have pieced together the history of the horse: It's an epic saga sprawling across continents and 5,000 years of evolution and domestication, and yes, it has plot twists. Among the finds: researchers uncovered two lost lineages of the animal on opposite ends of Eurasia and determined that the modern horse is very different than even its recent ancestors, thanks in part to geopolitics. The scope of the study included 278 s...

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2019-05-03 03:26:35

Prehistoric Traders Cheated Rich People With Fake Amber Jewelry  

Between the third and second millennium B.C, trade networks crisscrossed the Iberian Peninsula in southwestern Europe moving amber, a rare and valuable commodity, across the continent. Now researchers say some of that amber was actually clever fakes. They suspect the counterfeit gems may have been used to swindle wealthy buyers. "This is the first time that the imitation of a very valuable material is recorded in European Prehistory," said Carlos Odriozola, an archaeologist at the Un...

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2019-05-03 01:56:39

Hualongdong Skull Is Latest Challenge To Dominant Human Evolution Model  

A largely complete, roughly 300,000-year-old skull from southeastern China appears to be the latest evidence challenging the dominant model of human evolution. The Hualongdong skull's unique combination of features make the fossil a tantalizing clue to East Asia's diverse hominin history. Researchers excavating a collapsed cave site unearthed the skull, formally known as Hualongdong 6 (HLD 6), along with additional partial fossils of archaic humans and animals, plus assorted stone to...

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2019-05-01 19:35:14

Gaia Spacecraft Maps 14,000 Asteroids  

The European Space Agency's Gaia spacecraft is on a mission to map a billion stars. But as it stares out into space, it also spies a lot of closer objects. The newly released image above shows the orbits of 14,000 asteroids that it mapped during its first two years of observing. Most of those objects were known about from previous surveys. But three objects are new, those ones are picked out in gray in Gaia's image. The few dozen yellow tracks show asteroids that are considered near-Earth ...

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2019-05-01 13:41:39

Denisovan Find Hints The Extinct Humans Colonized The 'Roof of the World'  

On the mountainous Tibetan Plateau, small groups of nomadic herders still make a living two miles or more above sea level. Most of us would be poorly-equipped to deal with that altitude for long periods of time, but the Tibetans there have unique genetic adaptations that let their bodies function in the thin air. Mysteriously, those genes seem to come from another species of human, the Denisovans, a little-understood group of hominins who died out tens of thousands of years ago. Until ...

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2019-05-01 09:23:40

Asteroids Delivered Half of Earth's Water, New Sample Suggests  

In 2010, a Japanese mission called Hayabusa returned to Earth from a seven-year space journey. It brought back not only images and data from its adventure, but also actual samples, small grains of rock from its target, the asteroid Itokawa. Just a handful of space missions have ever returned to Earth at all, let alone brought back pieces of their destinations. So Hayabusa's samples are highly prized, and have been studied by many teams across the world. Now, researchers from Arizona S...

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2019-05-01 05:12:18

Water in the West: Snow news may not be good news  

As the animation of satellite images above shows, this past winter has brought desperately needed snowfall to a large portion of the American West. It consists of images captured by NASA's Terra satellite, centered on the Colorado Rockies — one on April 18 of last year, and the other this past April 19th. All that extra white stuff tells the tale better than any statistics. And looks aren't deceiving. For Colorado as a whole, snowpack looks to be about the third highest on record. ...

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2019-05-01 05:07:07

The Moon is Finally Getting the Attention It Deserves  

We've reached another "will they or won't they?" cliffhanger in the long-running soap opera, When Will Humans Return to the Moon? Last May, NASA administrator Jim Bridenstine promised that a crew would be landing there by 2028. "To many, this may sound similar to our previous attempts to get to the Moon," he admitted. "However, times have changed. This will not be Lucy and the football again." A month ago, Vice President Pence added a big plot twist, now declaring that "it is the stated pol...

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2019-05-01 03:29:39

Scientists Are Closer to Developing a Chronic Fatigue Syndrome Blood Test  

Chronic fatigue syndrome (CFS) is a debilitating condition that leaves its suffers with many questions but few answers. CFS's causes are poorly understood, there's no cure, and there isn't a definitive way to screen for it. Now, scientists say they've taken a big step toward developing a test to diagnose this confusing and complex disorder that leaves patients with symptoms that range from extreme exhaustion, chronic pain, persistent brain fog, and more. In a new study published i...

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2019-04-30 10:12:33

Surprise 4,000 Mile 'Ice Corridor' Found on Saturn's Moon Titan  

The great Age of Exploration may be over on Earth, but it's just getting going on Titan, Saturn's largest moon. It's a world larger than even the planet Mercury. NASA's Cassini spacecraft surveyed the moon (along with Saturn and its other moons) for 13 years, and even deployed a lander, Huygens, to Titan's surface. But although Cassini's mission ended in 2017, its data lives on, and planetary scientists continue to learn more about the history and surface features of this strange...

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2019-04-30 05:21:08

Could Air Conditioners Turn Atmospheric Carbon Dioxide Into Fuel?  

In the hot and sticky suffocation of summer, air conditioners are a breezy balm. And as climate change heats Earth, the need for them is only rising. Yet the cold air blowers consume a ton of energy. But now researchers say they have a solution for these energy hogs that actually helps the climate. In a new analysis, scientists argue for using air conditioning units to capture carbon dioxide straight from the atmosphere and transform it into fuel. The idea is that these renewable-energy...

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2019-04-30 01:29:23

Magma Ocean Covered Earth Before Moon-forming Impact  

For the past few decades, if you asked an astronomer how the moon was created, nearly all of them would tell you that a Mars-sized world nicknamed Theia crashed into the early Earth, sending a cloud of debris high into space where it coalesced into our silvery satellite. And there's strong evidence to support this idea. But dig deeper, and you'll find nagging problems with the theory. Almost all models of the giant impact imply that the moon should still contain a lot of Theia. But th...

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2019-04-29 15:08:35

Is This The Oldest Human Footprint In the Americas?  

It may look more like the impression of a jellybean in Play-Doh, or excavations for a kidney-shaped swimming pool, but researchers say the find, at about 15,600 years old, is the oldest human footprint in the Americas — and the latest evidence that people were living throughout the New World much earlier than thought. According to paleontologists, the single footprint — technically called an ichnofossil, or ichnite — belonged to a human. The impression, preserved in a buried lay...

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2019-04-29 12:04:38

Pole-To-Pole Survey Reveals The Oceans Teem With Viruses  

The oceans are crawling with viruses. An international team of researchers surveyed the world's oceans from pole to pole, sampling the waters for the microorganisms and they found nearly 200,000 of them. Although we mostly think of viruses in terms of being sick, in the oceans, viruses and other marine microbes have an outsized impact on marine ecosystems. Their role is so large in fact that the researchers say the microorganisms can help predict how the oceans will respond to climate ...

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2019-04-29 09:16:06

'Perplexing' New Crab Species Sheds Light on Crustacean Evolution  

(Inside Science) -- A newfound fossil that scientists described as perplexing, beautiful and the platypus of the crab family is now shedding light on how its crustacean relatives evolved, a new study finds. Paleontologists examined more than 70 exceptionally well-preserved specimens of the entirely new branch of the crab evolutionary tree, along with hundreds of fossils of shrimp and other kinds of crustaceans, from deposits in Colombia and the United States that are 90 million to 95 mill

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2019-04-29 09:06:34

Search For The 'Dark World': Scientists Use LHC to Hunt Dark Matter Siblings  

Dark matter has long frustrated researchers. It seems to make up most of our universe, yet it barely interacts with that universe. And despite a plethora of active experiments hunting for dark matter, so far they've all turned up empty. That has some researchers turning to the next best thing: other dark particles. Our world of normal matter has lots of different particles, so perhaps there's a whole dark world of particles as well. To be clear, no one's found these either, and t...

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2019-04-29 08:11:10

A Brewery in Peru Ran For Centuries, Then Burned After One Epic Ancient Party  

Five hundred years before the Incan empire reached its height in South America, a different civilization reigned: the Wari. One of the Wari's claims to fame is that they were early brewers of a drink called chicha. The fermented beverage was made by the Inca after them and can still found in Peru today. Many variations of the drink have been common across Central and South America for centuries New evidence, recently published in the journal Sustainability, suggests  this beer relat...

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2019-04-29 04:32:09

Astronomers Watch As A Black Hole's Jet Wobbles Like a Top  

Back in 2015, the black hole V404 Cygni got the attention of astronomers all over the globe when it suddenly brightened for two weeks. The outburst happened as the black hole began gobbling up material from a star that orbits it once every six days. As the material swirled into the black hole, it heated up enough to glow brightly. Then, the black hole starting shooting some of that material far out into space as bright jet beams. When astronomers took a close look at the jets, they reali...

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2019-04-29 03:12:36

Robot Astrobees Honey and Bumble Report for Duty on the ISS  

On April 19, the Cygnus spacecraft docked at the International Space Station. Among plenty of other cargo, it carried special passengers: two small robots named Honey and Bumble. These "Astrobees" will soon become part of the station's working crew, helping with such tasks as checking inventory, recording astronauts and experiments and running their own research projects. Bees in Space Terry Fong, Chief Roboticist at NASA Ames, expects that the robots might start work as early as ne...

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2019-04-26 19:14:28

Humanity's Early Ancestors Were Upright Walking Apes  

Roughly 8 million years ago, some apes stood up and started human evolution. Okay, that's not really what happened. But it is a fair characterization of the way scientists identify the oldest fossils likely to be human ancestors. Upright walking apes mark the start of the study of human evolution in many texts and classes. That's because bipedalism, or two-legged locomotion, was the first major evolutionary change in human ancestors, which is evident from bones. Other distinguishin...

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2019-04-26 17:06:06

Cloning's Long Legacy — And Why It'll Never Be Used on Humans  

Cloning a person is dangerous, ethically dubious and ultimately unnecessary.

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2019-04-26 12:46:12

What is Rewilding? Scientists' New Roadmap For Restoring Ecosystems  

The human imprint on Earth is undeniable. Everywhere you look, you can find traces of our species' short time on our roughly 4.5 billion-year-old planet. Often, those stamps are visible, like roads cutting through a forest or a patchwork of farmland covering what was once prairie. These marks can hinder the natural biodiversity of ecosystems, suffocating plant and animal species that once had a happy niche. One way to undo some of this damage is to follow a conservation practice called ...

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2019-04-26 09:53:18

Japan's Hayabusa2 Spacecraft Shoots Asteroid, Returns to Crime Scene  

Japan's Hayabusa2 spacecraft dropped an explosive onto its asteroid home, Ryugu, back on April 5, blasting a new crater into its rocky surface so it could investigate what lies beneath. Since then, the spacecraft has been in hiding around the asteroid's far side, waiting for the dust to settle. Yesterday, it ventured out to survey the damage. The pictures Hayabusa2 returned reveal a crater roughly 66 feet across, larger than even scientists' most generous expectations. They had wor...

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2019-04-26 05:45:55

'It's a Haunting Thing': Space Artists on the First Black Hole Image  

When researchers with the Event Horizon Telescope (EHT) unveiled the first true picture of a black hole on April 10, they finally succeeded in imaging the invisible. The bright ring of the accretion disk and the dark shadow of the event horizon stood out clearly, validating scientists' theories as to what a singularity looked like. The event was a momentous one for the space artists who have spent decades drawing black holes in the absence of actual confirmation of what they look like. ...

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2019-04-26 05:04:52

LIGO Spots Two Gravitational Waves in Two Days  

It took astronomers a century to make the first-ever gravitational wave detection, confirming a core prediction of Albert Einstein's theory of general relativity. But this month, the floodgates have opened. On Friday, scientists with the Laser Interferometer Gravitational-Wave Observatory (LIGO) announced they've likely detected a second gravitational wave event in as many days. Detectors at three locations around the world caught the arrival of a probable ripple in space-time around...

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2019-04-26 04:31:06

Winds and Waves on the Oceans Are Getting (Slightly) Stronger Every Year  

In the world of climate science — and science in general — data is king. The more of it you have, and the higher its quality, the better. And while such trends as the rise in temperatures and sea levels have impeccable data behind them, not every measure of a changing climate has been so lucky. Take the global wind and wave climate, for example, which measures trends in wind speed and wave height in oceans around the globe. Both of these factors affect the interplay between the atmosp...

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2019-04-26 02:24:01

Hubble Hints Today's Universe Expands Faster Than it Did in the Past  

For a while now, astronomers have been confronting a conundrum. Studies of the early universe, looking at the era just after the Big Bang, tell us that the cosmos should be expanding at one speed. But when astronomers actually measure today's universe, they find a faster rate of expansion. Scientists have known that the universe is expanding for around a century. Astronomers like Edwin Hubble first noticed that every distant galaxy they could measure seemed to be moving away from Ea...

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2019-04-26 02:02:06

Breaking: LIGO Detects Gravitational Waves From Another Neutron Star Merger  

For just the second time, physicists working on the Laser Interferometer Gravitational-Wave Observatory (LIGO) have caught the gravitational waves of two neutron stars colliding to form a black hole. The ripples in space time traveled some 500 million light-years and reached the detectors at LIGO, as well as its Italian sister observatory, Virgo, at around 4 a.m. E.T. on Thursday, April 25. Team members say there's a more than 99 percent chance that the gravitational waves were created...

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2019-04-26 01:34:20

Self-Driving Catheter Robot Navigates the Heart for Surgery  

When navigating through dark environments, rats swish their whiskers against nearby objects to figure out where they are. As the animals explore, they use this sense of touch to build maps of unfamiliar places. Cockroaches and blind crayfish use their antennae in a similar approach. Now, the go-by-feel strategy has inspired the creation of a robotic catheter capable of finding its way through the beating heart of lives pigs during a surgical procedure without the help of a surgeon's gui...

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2019-04-26 01:07:08

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