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Psychology, Neuroscience: Lacking in Individuality?  

In research on people, scientists are typically interested in the group data - the mean, median, and variance of a sample of people. But according to a provocative new paper out in PNAS, the statistics of a group can obscure the variability within individuals, over time. The paper, from Aaron J. Fisher, John D. Medaglia, and Bertus F. Jeronimus, isn't really making a new point. The pitfalls of generalizing from the group to the individual level have long been known - but these issues

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2018-06-23 09:59:54



How Ebola Vaccines Have Helped to Usher In a New Era in the Outbreak Response  

No new cases have been reported for two weeks in the Democratic Republic of the Congo -- Read more on ScientificAmerican.com

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2018-06-23 09:46:56



Alien Ocean Worlds--“There May be Life There, but Could It be Technology-Based"  

      "These planets are unlike anything in our solar system. They have endless oceans," says Lisa Kaltenegger of the Max Planck Institute for Astronomy and the Harvard-Smithsonian CfA. "There may be life there, but could it be technology-based like ours? Life on these worlds would be under water with no easy access to metals, to electricity, or fire for metallurgy. Nonetheless, these worlds will still be beautiful, blue planets circling an orange star — and m...

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2018-06-23 09:11:29



"Beyond Enigma" --Biology to Astrophysics: Scientists Apply Turing's Theory of Patterns in Nature  

      Alan Turing sought to explain how patterns in nature arise with his 1952 theory on morphogenesis. The stripes of a zebra, the arrangement of fingers, spirals of a galaxy and the radial whorls in the head of a sunflower, he proposed, are all determined through a unique interaction between molecules spreading out through space and chemically interacting with each other. Turing's famous theory can be applied to various fields, from biology to astrophysics. Many biologic

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2018-06-23 06:32:47



Could the Self-Repairing Star Wars Droid L3-37 Come to Life?  

We're not that close to making self-modifying robots, expert says -- Read more on ScientificAmerican.com

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2018-06-23 05:35:48



Tiny jumping roundworm undergoes unusual sexual development  

Biologists have shown that gonad development varies in other nematodes relative to C. elegans. Specifically, they focused on Steinernema carpocapsae, a nematode used in insect biocontrol applications in lawns and gardens.

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2018-06-23 05:21:56



Why Your Summer Might Be Full of Mosquitoes  

A scientist explains what makes some years worse than others -- Read more on ScientificAmerican.com

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2018-06-23 05:03:09



Mushroom Coffee: The Science behind the Trend  

Can drinking mushroom beverages really make you more productive, resilient, relaxed or good-looking?  -- Read more on ScientificAmerican.com

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2018-06-23 05:03:07



New research on avian response to wildfires  

New research explores the effects fire has on ecosystems and the wildlife species that inhabit them. Scientists examined the impacts of fires of different severity levels on birds and how that changes as the time since fire increases. Scientists looked across 10 fires after they burned through forests in the Sierra Nevada. A key finding was that wildfire had strong, but varied, effects on the density of many of the bird species that were studied.

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2018-06-22 19:50:29



Oil and Gas Facilities Leak More Methane than Previously Thought  

Plugging those leaks would be a cost-effective way to slow the rate of warming, experts say -- Read more on ScientificAmerican.com

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2018-06-22 19:19:51



Drug compound stops cancer cells from spreading in mice  

New research shows that it may be possible to freeze cancer cells and kill them where they stand.

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2018-06-22 19:15:34



Repellent research: Navy developing ship coatings to reduce fuel, energy costs  

It can repel water, oil, alcohol and even peanut butter. And it might save the US Navy millions of dollars in ship fuel costs, reduce the amount of energy that vessels consume and improve operational efficiency.

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2018-06-22 19:03:29



People with schizophrenia account for more than one in 10 suicide cases  

A new study shows that people with schizophrenia account for more than one in 10 cases of suicide in Ontario, and that young people are disproportionately affected. People with schizophrenia also had more contact with the health care system, pointing to an opportunity to intervene. The researchers emphasize the need for early suicide risk assessments to reduce risks.

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2018-06-22 18:26:41



Mosquito-borne diseases in Europe: Containment strategy depends on when the alarm sets off  

New research based on the Italian experience with outbreaks of Chikungunya, a disease borne by the tiger mosquito, in 2007 and 2017, shows that different vector control strategies are needed, depending on the time when the first cases are notified, 'thus providing useful indications supporting urgent decision-making of public health authorities in response to emerging mosquito-borne epidemics', one of the researchers says.

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2018-06-22 17:51:55



Wolf reintroduction: Yellowstone's 'landscape of fear' not so scary after all  

After wolves were reintroduced to Yellowstone National Park in the mid-1990s, some scientists thought the large predator reestablished a 'landscape of fear' that caused elk, the wolf's main prey, to avoid risky places where wolves killed them. But according to recent findings, Yellowstone's 'landscape of fear' is not as scary as first thought.

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2018-06-22 16:10:38



Broken shuttle may interfere with learning in major brain disorders  

A broken shuttle protein may hinder learning in people with intellectual disability, schizophrenia, or autism.

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2018-06-22 16:07:21



'Stealth' material hides hot objects from infrared eyes  

Infrared cameras are the heat-sensing eyes that help drones find their targets even in the dead of night or through heavy fog. Hiding from such detectors could become much easier, thanks to a new cloaking material that renders objects -- and people -- practically invisible.

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2018-06-22 16:07:19



Normalization of 'plus-size' risks hidden danger of obesity  

New research warns that the normalization of 'plus-size' body shapes may be leading to an increasing number of people underestimating their weight - undermining efforts to tackle England's ever-growing obesity problem. Analysis of data from almost 23,460 people who are overweight or obese revealed that weight misperception has increased in England. Men and individuals with lower levels of education and income are more likely to underestimate their weight status and consequently less likely to tr

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2018-06-22 15:36:55



Top stories: tanked alcohol trial, Aztec human sacrifice, and speedy gene construction  

This week's top Science news

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2018-06-22 15:22:52



Low-cost plastic sensors could monitor a range of health conditions  

An international team of researchers have developed a low-cost sensor made from semiconducting plastic that can be used to diagnose or monitor a wide range of health conditions, such as surgical complications or neurodegenerative diseases.

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2018-06-22 14:18:29



The Alien Observatory --"The Mystery of Where Alien Life is Hiding Deepens"   

      "After searching the skies for Earthlike planets for centuries, cosmologists have, in the last two decades, broken open the cosmic piñata. Today they estimate as many as 500 billion billion sunlike stars, with 100 billion billion Earthlike planets. The more we learn about the universe, the more absurd it would seem if all but one of those bodies were bereft of life. To my mind, this is both the least likely answer to Fermi's Paradox and the only one that fits all ...

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2018-06-22 14:10:53



Scientists discover how antiviral gene works  

It's been known for years that humans and other mammals possess an antiviral gene called RSAD2 that prevents a remarkable range of viruses from multiplying. Now, researchers have discovered the secret to the gene's success: The enzyme it codes for generates a compound that stops viruses from replicating. The newly discovered compound offers a novel approach for attacking many disease-causing viruses.

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2018-06-22 13:25:22



Analysis of a Million-Plus Genomes Points to Blurring Lines among Brain Disorders  

Schizophrenia shares some genetic variants with several psychiatric conditions—and similar overlaps are seen for personality traits and migraines in a massive study -- Read more on ScientificAmerican.com

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2018-06-22 12:49:26



Biorenewable, biodegradable plastic alternative synthesized  

Polymer chemists have taken another step toward a future of high-performance, biorenewable, biodegradable plastics. The team describes chemical synthesis of a polymer called bacterial poly(3-hydroxybutyrate) ­- or P3HB. The compound shows early promise as a substitute for petroleum plastics in major industrial uses.

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2018-06-22 12:38:32



Media Invited to Preview Expedition to Ocean Twilight Zone  

Media are invited to Seattle on Thursday, Aug. 9, to preview a seaborne expedition to study microscopic organisms in the dark depths of the sea that play a critical role in removing carbon dioxide from Earth's atmosphere.

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2018-06-22 12:37:23



Ancient "Red Nuggets" Detected --Relics of the 1st Massive Galaxies in the Universe with Gigantic Supermassive Black Holes  

  Red nuggets are relics of the first massive galaxies that formed within only one billion years after the Big Bang. While most red nuggets merged with other galaxies over billions of years, a small number remained solitary. These relatively pristine red nuggets allow astronomers to study how the galaxies — and the supermassive black hole at their centers — act over billions of years of isolation.   A new study using data from NASA's Chandra X-ray Observatory indicates tha...

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2018-06-22 12:06:36



Einstein's Greatest Theory Validated on a Galactic Scale  

Astronomers have used a pair of galaxies far beyond the Milky Way to test general relativity with unprecedented precision -- Read more on ScientificAmerican.com

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2018-06-22 11:58:30



Why Our Brains See the World as "Us" Versus "Them"  

Is there something in our neural circuits that leads us to find comfort in those like us and unease with those who may differ? -- Read more on ScientificAmerican.com

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2018-06-22 11:42:58



Dynamic modeling helps predict the behaviors of gut microbes  

A new study provides a platform for predicting how microbial gut communities work and represents a first step toward understanding how to manipulate the properties of the gut ecosystem. This could allow scientists to, for example, design a probiotic that persists in the gut or tailor a diet to positively influence human health.

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2018-06-22 11:01:33



New therapeutic target for slowing the spread of flu virus  

Influenza A (flu A) hijacks host proteins for viral RNA splicing and blocking these interactions caused replication of the virus to slow, which could point to novel strategies for antiviral therapies.

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2018-06-22 10:20:20



With supercomputing power, scientists solve a next-generation physics problem  

Oak Ridge TN (SPX) Jun 22, 2018 Using the Titan supercomputer at the Oak Ridge Leadership Computing Facility (OLCF), a team of researchers has calculated a fundamental property of protons and neutrons, known as the nucleon axial coupling, with groundbreaking precision. Led by Andre Walker-Loud of the US Department of Energy's (DOE's) Lawrence Berkeley National Laboratory, the project also used computing resources at DOE'

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2018-06-22 09:10:49



Can science-based video games help kids with autism?  

An expanding arcade of video games takes aim at easing autism traits, from poor visual attention to problems with motor skills, but the evidence of the games' effectiveness remains limited

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2018-06-22 08:57:14



NASA Television to Air Launch of Next Space Station Resupply Mission  

NASA commercial cargo provider SpaceX is targeting no earlier than 5:42 a.m. EDT Friday, June 29, for the launch of its 15th resupply mission to the International Space Station. Live coverage will begin on NASA Television and the agency's website Thursday, June 28, with prelaunch events.

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2018-06-22 08:50:27



What causes the sound of a dripping tap -- and how do you stop it?  

Scientists have solved the riddle behind one of the most recognizable, and annoying, household sounds: the dripping tap. And crucially, they have also identified a simple solution to stop it, which most of us already have in our kitchens.

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2018-06-22 08:50:05



Russia warns against Trump's 'alarming' plans for US space domination  

Moscow (AFP) June 20, 2018 Russia on Wednesday expressed alarm over US President Donald Trump's call for the United States to dominate space exploration and his plan to create a separate branch of the military called a Space Force. Russian foreign ministry Maria Zakharova said at a briefing that Russia "noted the US president's instructions... to separate space forces from the air force," saying "the most alarming thi

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2018-06-22 08:46:54



Hunting molecules to find new planets  

Geneva, Switzerland (SPX) Jun 22, 2018 Each exoplanet revolves around a star, like the Earth around the Sun. This is why it is generally impossible to obtain images of an exoplanet, so dazzling is the light of its star. However, a team of astronomers, led by a researcher from the University of Geneva (UNIGE) and member of NCCR PlanetS, had the idea of detecting certain molecules that are present in the planet's atmosphere in order to

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2018-06-22 08:43:42



How to Fix Recommendation Bias and Evaluation Inflation  

It’s rampant in academia, but the U.S. Marine Corps can help -- Read more on ScientificAmerican.com

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2018-06-22 08:23:13



Japan halts missile drills after Trump-Kim summit: reports  

Tokyo (AFP) June 21, 2018 Japan has halted evacuation drills simulating a North Korean missile attack in the wake of historic talks between Washington and Pyongyang, local media reported Thursday. Government officials did not immediately confirm the reports, but authorities in one town told AFP they were suspending a drill planned for next week on orders from Tokyo. The decision comes after US President Donald Tr

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2018-06-22 08:15:28



Deep space navigation: tool tested as emergency navigation device  

Houston TX (SPX) Jun 22, 2018 A tool that has helped guide sailors across oceans for centuries is now being tested aboard the International Space Station as a potential emergency navigation tool for guiding future spacecraft across the cosmos. The Sextant Navigation investigation tests use of a hand-held sextant aboard the space station. Sextants have a small telescope-like optical sight to take precise angle measureme

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2018-06-22 08:15:16



"Cosmic Sleuths" --Missing Baryons of the Universe Found Hidden Between an Ancient Quasar and Our Solar System  

      Ordinary, baryonic, matter exists in the vast spaces between galaxies as highly-ionized oxygen gas at temperatures of about 1 million degrees Celsius. To pin down the missing third, the researchers used the radiation emanating from a distant, ultra-bright black hole called a quasar. That lost matter exists as filaments of oxygen gas at temperatures of around 1 million degrees Celsius that lie in the space between galaxies, said CU Boulder's Michael Shull, a co-auth...

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2018-06-22 07:56:12



Researchers Find Last of the Universe's Missing Ordinary Matter  

Boulder CO (SPX) Jun 21, 2018 Researchers at the University of Colorado Boulder have helped to find the last reservoir of ordinary matter hiding in the universe. Ordinary matter, or "baryons," make up all physical objects in existence, from stars to the cores of black holes. But until now, astrophysicists had only been able to locate about two-thirds of the matter that theorists predict was created by the Big Bang.

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2018-06-22 07:52:47



Kiel physicists achieve hitherto most accurate description of highly excited electrons  

Kiel, Germany (SPX) Jun 22, 2018 It is the "drosophila" of modern physics: the uniform electron gas. Just as the fruit fly is used to describe the principles of genetics this model of a gas can be used to investigate important characteristics of electrons. This model also known as jellium describes the properties of electrons in metals, in molecules and in clusters of atoms. Further, electrons determine the behavior of st

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2018-06-22 07:39:43



Chip upgrade helps miniature drones navigate  

Boston MA (SPX) Jun 20, 2018 Researchers at MIT, who last year designed a tiny computer chip tailored to help honeybee-sized drones navigate, have now shrunk their chip design even further, in both size and power consumption. The team, co-led by Vivienne Sze, associate professor in MIT's Department of Electrical Engineering and Computer Science (EECS), and Sertac Karaman, the Class of 1948 Career Development Associate

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2018-06-22 07:27:32



The photoelectric effect in stereo  

In the photoelectric effect, a photon ejects an electron from a material. Researchers have now used attosecond laser pulses to measure the time evolution of this effect in molecules. From their results they can deduce the exact location of a photoionization event.

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2018-06-22 07:11:55



Discovery for grouping atoms invokes Pasteur  

Sydney, Australia (SPX) Jun 22, 2018 Scientists have found a new way of joining groups of atoms together into shape-changing molecules - opening up the possibility of a new area of chemistry and the development of countless new drugs, microelectronics and materials with novel characteristics. Discoveries of new ways to make isomers - molecules made of the same atoms connected together differently - were last reported in 1961

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2018-06-22 06:21:19



China's Land Grab Beyond the Blue Planet --"First the Moon, Then Mars" (Today's Top Space Headline)  

    "The universe is an ocean, the moon is the Diaoyu Islands, Mars is Huangyan Island, says Ye Peijian is a 73-year-old aerospace engineer and head of the Chinese lunar exploration program. "If we don't go there now even though we're capable of doing so, then we will be blamed by our descendants. If others go there, then they will take over, and you won't be able to go even if you want to. This is reason enough. It's a move to wrest control of new lands from other nation...

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2018-06-22 06:16:03



Accurate measurements of sodium intake confirm relationship with mortality  

Eating foods high in salt is known to contribute to high blood pressure, but does that linear relationship extend to increased risk of cardiovascular disease and death? Recent cohort studies have contested that relationship, but a new study using multiple measurements confirms it.

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2018-06-22 05:59:05



Not junk: 'Jumping gene' is critical for early embryo  

A so-called 'jumping gene' that researchers long considered either genetic junk or a pernicious parasite is actually a critical regulator of the first stages of embryonic development, according to a new study.

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2018-06-22 05:53:33



Today's NASA TV LIVE -- Launches, Spacewalks, Mission Events, News Briefings  

  Friday June 22: NASA Television provides live coverage of launches, spacewalks and other mission events, as well as the latest news briefings, video files, and This Week, NASA X, Earth Views, and SpaceCast Weekly.     Most Viewed Space & Science News Homo Naledi, Newly Discovered Species --"Maybe We've Had the Story of Human Evolution Wrong the Whole Time" Stephen Hawking's Great Question --"Why Isn't the Milky Way Crawling With Mechanical or Biological Life?"

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2018-06-22 05:51:11



Study develops a model enhancing particle beam efficiency  

Sao Paulo, Brazil (SPX) Jun 22, 2018 The use of particle accelerators is not confined to basic research in high-energy physics. Large-scale accelerators and gigantic devices, such as the Large Hadron Collider (LHC), are used for this purpose, but relatively small accelerators are used in medicine (diagnostic imaging, cancer treatment), industry (food sterilization, cargo scanning, electronic engineering), and various types of inves

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2018-06-22 05:50:59



Template to create superatoms could make for better batteries  

Researchers have discovered a novel strategy for creating superatoms -- combinations of atoms that can mimic the properties of more than one group of elements of the periodic table. These superatoms could be used to create new materials, including more efficient batteries and better semiconductors; a core component of microchips, transistors and most computerized devices.

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2018-06-22 05:49:34



Uncovering lost images from the 19th century  

Art curators will be able to recover images on daguerreotypes, the earliest form of photography that used silver plates, after a team of scientists learned how to use light to see through degradation that has occurred over time.

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2018-06-22 05:46:10



Genetic variation in progesterone receptor tied to prematurity risk  

Humans have unexpectedly high genetic variation in the receptor for a key pregnancy-maintaining hormone, according to research. The finding may help explain why some populations of pregnant women have an elevated risk of premature birth.

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2018-06-22 05:28:31



Estimate of 8.5 billion barrels of oil in Texas' Eagle Ford Group  

The Eagle Ford Group of Texas contains estimated means of 8.5 billion barrels of oil, 66 trillion cubic feet of natural gas, and 1.9 billion barrels of natural gas liquids, according to a new assessment.

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2018-06-22 05:07:57



Bird's Song Staying Power Implies Culture  

Certain motifs in swamp sparrow songs can last hundreds, even thousands of years—evidence of a cultural tradition in the birds. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

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2018-06-22 05:02:24



Bogong moths first insect known to use magnetic sense in long-distance nocturnal migration  

Researchers reporting in Current Biology on June 21 have found that nocturnal Bogong moths, like migratory birds, depend on the Earth's magnetic field to guide them on their way. The discovery offers the first reliable evidence that nocturnal insects can use the Earth's magnetic field to steer flight during migration, the researchers say.

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2018-06-22 04:22:39



First Ancient Syphilis Genomes Reveal New History Of The Disease  

The bacterium Treponema pallidum is a nasty critter. It can lead to a number of conditions, collectively called treponemal diseases, that you definitely don't want to have. They include syphilis, a typically sexually transmitted disease that still infects millions annually. The origins of the disease have long been the subject of controversy, attempts to find its roots hampered by a lack of ancient genetic material. Today, researchers announce the first successful reconstruction of a...

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2018-06-22 04:16:58



Cross-species prion adaptation depends on prion replication environment  

A hamster prion that replicated under conditions of low RNA levels in mouse brain material resulted in altered disease features when readapted and transmitted back to hamsters, according to new research.

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2018-06-22 04:16:15



Six new species of goblin spiders named after famous goblins and brownies  

A remarkably high diversity of goblin spiders is reported from the Sri Lankan forests. Nine new species are described in a recent paper, where six are named after goblins and brownies from Enid Blyton's children's books. There are now 45 goblin spider species belonging to 13 genera known to inhabit the island country.

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2018-06-22 04:08:28



US oil & gas methane emissions 60 percent higher than estimated  

The US oil and gas industry emits 13 million metric tons of the potent greenhouse gas methane from its operations each year, 60 percent more than estimated by the US Environmental Protection Agency, according to a new study.

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2018-06-22 03:54:58



This Video Game Lets You Explore Mars' Actual Surface  

Alan Chan grew up thinking humans would be living in space and exploring Mars by now. Unfortunately, that's not the case. Instead, he decided to explore space on his own by creating a video game that allows people to drive around the Red Planet's actual terrain in a souped-up rover. "Red Rover," a new video game, recreates Mars' surface using satellite and terrain data from NASA's HiRISE Mars orbiter. The High Resolution Imaging Science Experiment (HiRISE) has a lens that's ph...

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2018-06-22 03:52:53



How competition and cooperation between bacteria shape antibiotic resistance  

New computational simulations suggest that the effects of antibiotics on a bacterial community depend on whether neighboring species have competitive or cooperative relationships, as well as their spatial arrangement.

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2018-06-22 03:35:29



Starving fungi could save millions of lives each year  

Researchers have identified a potentially new approach to treating lethal fungal infections that claim more than 1.6 million lives each year: starving the fungi of key nutrients, preventing their growth and spread.

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2018-06-22 03:34:29



NASA, NSF plunge into ocean twilight zone to explore ecosystem carbon flow  

Washington DC (SPX) Jun 22, 2018 A large multidisciplinary team of scientists, equipped with advanced underwater robotics and an array of analytical instrumentation, will set sail for the northeastern Pacific Ocean this August. The team's mission for NASA and the National Science Foundation (NSF) is to study the life and death of the small organisms that play a critical role in removing carbon dioxide from the atmosphere

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2018-06-22 03:18:53



Ketamine acts fast to treat depression and its effects last -- but how?  

Researchers describe the molecular mechanisms behind ketamine's ability to squash depression and keep it at bay.

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2018-06-22 03:15:41



Coining less expensive currency: Bringing down the cost of making nickels  

Cashing in on materials science, makes a new nickel for use in the U.S. Mint. The work might be useful for building durable high-tech devices like smartphones, too.

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2018-06-22 03:09:29



Scientists solve the case of the missing subplate, with wide implications for brain science  

A new study shows that a group of neurons, previously thought to die in the course of development, in fact become incorporated into the brain's cortex. This research has implications for understanding -- and possibly treating --several brain disorders.

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2018-06-22 02:58:53



Deep data dive helps predict cerebral palsy  

A pioneering technique developed to analyze genetic activity of Antarctic worms is helping to predict cerebral palsy. The technique uses next-generation genetic sequencing data to measure how cells control the way genes are turned on or off, and can also be used in other human health care research.

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2018-06-22 02:47:46



New and improved way to find baby planets  

Washington DC (SPX) Jun 22, 2018 New work from an international team of astronomers including Carnegie's Jaehan Bae used archival radio telescope data to develop a new method for finding very young extrasolar planets. Their technique successfully confirmed the existence of two previously predicted Jupiter-mass planets around the star HD 163296. Their work is published by The Astrophysical Journal Letters. Of the thousands

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2018-06-22 02:43:10



Crisis can force re-evaluation and derail efforts to reach goals  

Setbacks are to be expected when pursuing a goal, whether you are trying to lose weight or save money. The challenge is getting back on track and not giving up after a difficulty or crisis, says a marketing professor working on practical ways to help people stick to health-related goals.

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2018-06-22 02:37:56



Miniature testing of drug pairs on tumor biopsies  

Combinations of cancer drugs can be quickly and cheaply tested on tumour cells using a novel device developed by scientists. The research marks the latest advancement in the field of personalized medicine.

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2018-06-22 02:34:42



ASRC Federal subsidiary awarded $1B NASA contract for advanced computing services  

Beltsville MD (SPX) Jun 22, 2018 The National Aeronautics and Space Administration (NASA) has awarded ASRC Federal subsidiary InuTeq LLC the NASA Advanced Computing Services (NACS) contract. The single award, hybrid contract has a one-year base, followed by nine one-year options with a total potential value of approximately $1.2 billion. As part of the contract, the company will provide a wide-range of high performance co

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2018-06-22 02:24:40



Your brain anatomy may play a role in determining your food choices  

Our ability to exercise self-control is linked to our neurobiology.

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2018-06-22 02:10:07



China's Done Recycling Our Plastics. Where Do We Put 250 Billion Pounds Of Waste?  

The world is truly awful at recycling. Less than 10 percent of all plastic ever produced has been recycled — the rest goes to landfills and litter. And of that sliver of plastic that we do recycle, about half of it is shipped from wealthy nations to developing ones — especially China. Together with Hong Kong, China has imported nearly three-quarters of all global plastic waste in recent decades. And that's how we ended up in this current mess. End Of Recycling Last year, China...

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2018-06-22 01:50:13



Alaskan Beluga Whales Ace Hearing Exam  

Researchers tested the hearing of beluga whales in an Alaskan bay, and found that they seem to have suffered little hearing loss due to ocean noise. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

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2018-06-22 01:28:09



Challenging our understanding of how platelets are made  

Correlative light-electron microscopy is being used to increase our knowledge of how platelets are made in the body and the results are challenging previously held understandings.

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2018-06-22 01:27:07



Important step towards a computer model that predicts the outcome of eye diseases  

Understanding how the retina transforms images into signals that the brain can interpret would not only result in insights into brain computations, but could also be useful for medicine. As machine learning and artificial intelligence develop, eye diseases will soon be described in terms of the perturbations of computations performed by the retina. A newly developed model of the retina can predict with high precision the outcome of a defined perturbation.

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2018-06-22 01:19:33



New evidence in Cuba's 'sonic attacks,' and finding an extinct gibbon—in a royal Chinese tomb  

On this week's show: sonic attack or mass paranoia? New evidence suggests the mysterious illness affecting U.S. diplomats in Cuba is more than just a figment of the imagination. And newly uncovered bones in the tomb of China's first emperor's grandmother reveal a now-extinct species of gibbon.

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2018-06-21 22:04:27



Zebrafish's near 360 degree UV-vision knocks stripes off Google Street View  

A zebrafish view of the world has been forensically analyzed by researchers to reveal that how they see their surroundings changes hugely depending on what direction they are looking.

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2018-06-21 21:18:31



Our intestinal microbiome influences metabolism -- through the immune system  

The innate immune system, our first line of defense against bacterial infection, has a side job that's equally important: fine-tuning our metabolism.

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2018-06-21 20:46:05



Scientists Pinpoint Brain Region That May Be Center of Alcohol Addiction  

Researchers map out a cellular mechanism that offers a biological explanation for alcoholism, and could lead to treatments -- Read more on ScientificAmerican.com

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2018-06-21 20:42:43



Antarctic ice sheet is melting, but rising bedrock below could slow it down  

An international team of researchers has found that the bedrock below the remote West Antarctic Ice Sheet is rising much more rapidly than previously thought, in response to ongoing ice melt.

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2018-06-21 20:39:31



California Aedes mosquitoes capable of spreading Zika  

Over the last five years, Zika virus has emerged as a significant global human health threat following outbreaks in South and Central America. Now, researchers have shown that invasive mosquitoes in California -- where cases of Zika in travelers have been a regular occurrence in recent years -- are capable of transmitting Zika.

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2018-06-21 20:06:44



Garden seed diet for threatened turtle doves has negative impact  

New research into Britain's fastest declining bird species has found that young turtle doves raised on a diet of seeds foraged from non-cultivated arable plants rather than food provided in people's gardens are more likely to survive after fledging. Ecologists investigated the dietary habits of European turtle doves using DNA analysis of faecal samples and found significant associations between the body condition and the source of the bird's diet.

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2018-06-21 19:47:20



Scientists discover how brain signals travel to drive language performance  

Using transcranial magnetic stimulation and network control theory, researchers have taken a novel approach to understanding how signals travel across the brain's highways and how stimulation can lead to better cognitive function.

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2018-06-21 18:58:21



DNA enzyme shuffles cell membranes a thousand times faster than its natural counterpart  

A new synthetic enzyme, crafted from DNA rather than protein, flips lipid molecules within the cell membrane, triggering a signal pathway that could be harnessed to induce cell death in cancer cells. This is the first such synthetic enzyme to outperform its natural counterpart -- and it does so by three orders of magnitude.

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2018-06-21 18:43:02



Marine reserves are vital -- but under pressure  

A massive study of nearly 1800 tropical coral reefs around the world has found that marine reserves near heavily populated areas struggle to do their job -- but are a vast improvement over having no protection at all.

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2018-06-21 18:41:57



Exposure to fracking chemicals and wastewater spurs fat cell development  

Exposure to fracking chemicals and wastewater promotes fat cell development, or adipogenesis, in laboratory cell models, a new study finds. Researchers observed increases in the size and number of fat cells after exposing the models to a mixture of 23 common fracking chemicals or to wastewater or surface-water samples containing them, even at diluted concentrations. Adipogenesis occurred through PPARy-dependent and independent mechanisms. More research is needed to assess potential health impact

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2018-06-21 18:39:42



'Antifreeze' molecules may stop and reverse damage from brain injuries  

The key to better treatments for brain injuries and disease may lie in the molecules charged with preventing the clumping of specific proteins associated with cognitive decline and other neurological problems, researchers report.

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2018-06-21 18:10:17



Writing away the body image blues  

Body dissatisfaction among women is widespread and can lead to a number of worrisome outcomes, including eating disorders, depression and anxiety. While researchers know a lot about what makes women's body image worse, they are still short on empirically supported interventions for improving women's body image. A psychology professor tested the effect of three specific writing exercises on college women's body satisfaction.

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2018-06-21 17:38:45



New target to stop cancer growth uncovered  

Researchers have discovered that a protein called Munc13-4 helps cancer cells secrete large numbers of exosomes -- tiny, membrane-bound packages containing proteins and RNAs that stimulate tumor progression. The study could lead to new therapies that stop tumor growth and metastasis by halting exosome production.

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2018-06-21 17:26:48



The psychobiology of online gaming  

When researchers looked at expression of a particular gene complex that is activated by chronic stress, they found differences depending on whether someone was positively engaging in video games or were problematic gamers.

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2018-06-21 17:19:15



Waking up is hard to do: Prefrontal cortex implicated in consciousness  

Researchers discover that stimulating the prefrontal cortex can induce wake-like behavior in anesthetized rats.

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2018-06-21 17:07:13



Majority of US adults prescribed epinephrine report not using it in an emergency  

A new study shows in an emergency, 52 percent of adults with potentially life-threatening allergies didn't use the epinephrine auto-injectors (EAI) they were prescribed.

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2018-06-21 16:59:50



Using fragment-based approaches to discover new antibiotics  

A new review article summarizes new methods of fragment-based lead discovery (FBLD) to identify new compounds as potential antibiotics. It explains how FBLD works and illustrates its advantages over conventional high-throughput screening.

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2018-06-21 16:49:51



Trump's plan to reshuffle government strikes familiar notes  

Many of the president's proposals have been rejected previously, whereas others are surprisingly timid

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2018-06-21 16:05:15



Changes in stress after meditation  

or a thousand years, people have reported feeling better by meditating but there are few systematic studies that quantified stress and how much stress changes as a direct result of meditation, until now.

what do you think?

2018-06-21 16:01:48



A mechanism behind choosing alcohol over healthy rewards is found  

Changes in a brain signalling system contribute to the development of alcohol addiction-like behaviors in rats, according to a new study. The findings indicate a similar mechanism in humans.

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2018-06-21 15:48:58



Unprecedented control of polymer grids achieved  

The first examples of covalent organic frameworks (COFs) were discovered in 2005, but quality has been poor and preparation methods uncontrolled. Now researchers have produced high-quality versions of these materials, demonstrate their superior properties and control their growth. The team's two-step process produces organic polymers with crystalline, two-dimensional structures. The precision of the material's structure and the empty space its hexagonal pores provide will allow scientists to des

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2018-06-21 15:47:55



Buildings as power stations work: They generate more energy than they consume, data shows  

The UK's first energy-positive classroom generated more than one and a half times the energy it consumed, according to data from its first year of operation, the team has revealed. The findings were announced as the researchers launched the next phase of their research, gathering data and evidence on an office building, constructed using similar methods.

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2018-06-21 14:08:38






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