Today's Science News

Monday, July 28, 2014

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from universities, journals, and other organizations

Researchers Eliminate HIV from Cultured Human Cells for First Time

July 21, 2014 — HIV-1, the most common type of the virus that causes AIDS, has proved to be tenacious, inserting its genome permanently into its victims' DNA, forcing patients to take a lifelong drug regimen to ... full story

Bacteria Manipulate Salt to Build Shelters to Hibernate

July 25, 2014 — For the first time, researchers have detected an unknown interaction between microorganisms and salt. When Escherichia coli cells are introduced into a droplet of salt water that is left to dry, ... full story

Steam Energy from the Sun: New Spongelike Structure Converts Solar Energy Into Steam

July 24, 2014 — A new material structure generates steam by soaking up the sun. The structure -- a layer of graphite flakes and an underlying carbon foam -- is a porous, insulating material structure that floats on ... full story

Newly Discovered Gut Virus Lives in Half the World's Population

July 24, 2014 — Odds are, there's a virus living inside your gut that has gone undetected by scientists for decades. A new study has found that more than half the world's population is host to a newly ... full story

Biologist Warn of Early Stages of Earth's Sixth Mass Extinction Event

July 24, 2014 — The planet's current biodiversity, the product of 3.5 billion years of evolutionary trial and error, is the highest in the history of life. But it may be reaching a tipping point. Scientists ... full story

Trees Save Lives, Reduce Respiratory Problems

July 25, 2014 — In the first broad-scale estimate of air pollution removal by trees nationwide, scientists have calculated that trees are saving more than 850 human lives a year and preventing 670,000 incidences of ... full story

Climate Change Increases Risk of Crop Slowdown in Next 20 Years

July 25, 2014 — The world faces a small but substantially increased risk over the next two decades of a major slowdown in the growth of global corn and wheat yields because of climate change, according to new ... full story

Saharan Dust Is Key to Formation of Bahamas' Great Bank, Study Finds

July 24, 2014 — Saharan dust played a major role in the formation of the Bahamas islands, a new study suggests. Researchers showed that iron-rich Saharan dust provides the nutrients necessary for specialized ... full story

Brain's Dynamic Duel Underlies Win-Win Choices

July 24, 2014 — People choosing between two or more equally positive outcomes experience paradoxical feelings of pleasure and anxiety, feelings associated with activity in different regions of the brain, according ... full story

Maltreatment Affects the Way Children's Genes Are Activated

July 24, 2014 — In a new study, researchers found that maltreatment affects the way children's genes are activated, which has implications for their long-term development and health. The researchers examined ... full story

Bacteria Swim With Whole Body, Not Just Propellers

July 21, 2014 — Many bacteria swim using flagella, corkscrew-like appendages that push or pull bacterial cells like tiny propellers. It's long been assumed that the flagella do all the work during swimming, ... full story

'Naοve' Pluripotent Human Embryonic Stem Cells Created

July 24, 2014 — Embryonic stem cell (ESC) research has been hampered by the inability to transfer research and tools from mouse ESC studies to their human counterparts, in part because human ESCs are “primed” ... full story

Intensity of Hurricanes: New Study Helps Improve Predictions of Storm Intensity

July 25, 2014 — While predicting the path of hurricanes has gotten better, little has been done to improve predicting a storm's intensity. That is, until now. "The air-water interface -- whether it had ... full story

Earlier Stone Age Artifacts Found in Northern Cape of South Africa

July 24, 2014 — Excavations at an archaeological site at Kathu in the Northern Cape province of South Africa have produced tens of thousands of Earlier Stone Age artifacts, including hand axes and other ... full story

How to Power California With Wind, Water and Sun

July 24, 2014 — New research outlines the path to a possible future for California in which renewable energy creates a healthier environment, generates jobs and stabilizes energy ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

Tyrannosaur Pack-Hunting Theory Aided By New Footprints

Tyrannosaur Pack-Hunting Theory Aided By New Footprints

Newsy (July 24, 2014) — A new study claims a set of prehistoric T-Rex footprints supports the theory that the giant predators hunted in packs instead of alone. Video provided by Newsy
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Dogs Appear To Become Jealous Of Owners' Attention

Dogs Appear To Become Jealous Of Owners' Attention

Newsy (July 23, 2014) — A U.C. San Diego researcher says jealousy isn't just a human trait, and dogs aren't the best at sharing the attention of humans with other dogs. Video provided by Newsy
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Huge Schizophrenia Study Finds Dozens Of New Genetic Causes

Huge Schizophrenia Study Finds Dozens Of New Genetic Causes

Newsy (July 22, 2014) — The 83 new genetic markers could open dozens of new avenues for schizophrenia treatment research. Video provided by Newsy
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Scientists Find New Way To Make Human Platelets

Scientists Find New Way To Make Human Platelets

Newsy (July 22, 2014) — Boston scientists have discovered a new way to create fully functioning human platelets using a bioreactor and human stem cells. Video provided by Newsy
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last updated on 2014-07-28 at 10:43 am EDT

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Wearable Device for Early Detection of Common Diabetes-Related Neurological Condition

July 28, 2014 — Thanks to a small, wearable device that can hang on a pair of eyeglasses, a common complication of diabetes may get caught sooner. Researchers have developed a pupillometer that scans the patient's ... full story

Potential 'Universal' Blood Test for Cancer Discovered

July 28, 2014 — A simple blood test that can be used to diagnose whether people have cancer or not has been devised by researchers. The test will enable doctors to rule out cancer in patients presenting with certain ... full story

Mutations from Venus, Mutations from Mars: Genetics, Men and Fertility Problems

July 28, 2014 — Researchers explain why genetic fertility problems can persist in a population. Some 15% of adults suffer from fertility problems, many of these due to genetic factors. This is something of a ... full story

Interfering With Interferon

July 28, 2014 — Using the body's natural virus killers to prevent and treat HIV infection has been problematic until now because of the strong inflammatory response these molecules can arouse as they get rid of the ... full story

Hepatitis C Virus Genotype 1 Most Prevalent Worldwide

July 28, 2014 — In one of the largest prevalence studies to date, researchers from the UK provide national, regional, and global genotype prevalence estimates for the hepatitis C virus. Findings indicate that ... full story

New Oral Drug Regimens Cure Hardest-to-Treat Hepatitis C Infected Patients, Could Improve Treatment Uptake

July 28, 2014 — Two new pill-only antiviral drug regimens could provide shorter, more effective treatment options with fewer side effects for the majority of patients infected with hepatitis C, even those most ... full story

Lifestyle Choices May Affect Long-Term Heart Health of Childhood Cancer Survivors

July 28, 2014 — Following a healthy lifestyle may lower childhood cancer survivors’ risk of developing the metabolic syndrome, a study shows. The findings indicate that children with cancer and adults who had ... full story

Six New Genetic Risk Factors for Parkinson's Found

July 27, 2014 — Using data from over 18,000 patients, scientists have identified more than two dozen genetic risk factors involved in Parkinson's disease, including six that had not been previously reported. ... full story

New, Noncommittal Mechanism of Drug Resistance Discovered

July 27, 2014 — Microorganisms like bacteria and fungi can evade treatment by acquiring mutations in the genes targeted by antibiotics or antifungal drugs. These permanent mutations were once thought to be the only ... full story

Drugs Used to Treat Lung Disease Work With Body Clock

July 27, 2014 — Scientists have discovered why medication to treat asthma and pneumonia can become ineffective. The findings show that drugs widely used to treat lung diseases work with the body clock. The research ... full story

New Tools Help Neuroscientists Analyze 'Big Data'

July 27, 2014 — New technologies for monitoring brain activity are generating unprecedented quantities of information. That data may hold new insights into how the brain works -- but only if researchers can ... full story

New Brain Pathways for Understanding Type 2 Diabetes and Obesity Uncovered

July 25, 2014 — Researchers have identified neural pathways that increase understanding of how the brain regulates body weight, energy expenditure, and blood glucose levels – a discovery that can lead to new ... full story

Slow Walking Speed, Memory Complaints Can Predict Dementia

July 25, 2014 — A study involving nearly 27,000 older adults on five continents found that nearly 1 in 10 met criteria for pre-dementia based on a simple test that measures how fast people walk and whether they have ... full story

Anti-Inflammatory Drug Can Prevent Neuron Loss in Parkinson's Model

July 25, 2014 — An experimental anti-inflammatory drug can protect vulnerable neurons and reduce motor deficits in a rat model of Parkinson's disease, a study has shown. The findings demonstrate that the drug, ... full story

Manipulating Key Protein in Brain Holds Potential Against Obesity, Diabetes

July 25, 2014 — A protein that controls when genes are switched on or off plays a key role in specific areas of the brain to regulate metabolism, researchers have found. The research potentially could lead to new ... full story

Experiences at Every Stage of Life Contribute to Cognitive Abilities in Old Age

July 25, 2014 — Early life experiences, such as childhood socioeconomic status and literacy, may have greater influence on the risk of cognitive impairment late in life than such demographic characteristics as race ... full story

Why Do Men Prefer Nice Women? Responsiveness and Desire

July 25, 2014 — Does responsiveness increase sexual desire in the other person? Do men perceive responsive women as more attractive, and does the same hold true for women's perceptions of men? A recent study ... full story

Brain Tumor Causes, Risk Factors Elude Scientists

July 25, 2014 — Today, nearly 700,000 people in the U.S. are living with a brain tumor, and yet, when it comes to pinpointing causes or risk factors, scientists are still searching for answers. "Unlike the strong ... full story

Cell Therapy for Multiple Sclerosis Patients: Closer Than Ever?

July 24, 2014 — For the first time, scientists generated induced pluripotent stem cells lines from skin samples of patients with primary progressive multiple sclerosis and further, they developed an accelerated ... full story

Klotho: Neuroprotective Against Alzheimer's Disease

July 24, 2014 — Researchers may have found a way to delay or even prevent Alzheimer's disease. They discovered that pre-treatment of neurons with the anti-aging protein Klotho can prevent neuron death in the ... full story

Primary Texting Bans Associated With Lower Traffic Fatalities, Study Finds

July 25, 2014 — States that allow officers to pull over a driver for texting while driving saw fewer deaths than those that use secondary enforcement of texting bans. Some states have banned all drivers from texting ... full story

Common Blood Thinner for Pregnant Women Proven Ineffective

July 24, 2014 — A daily injection to the belly commonly prescribed for pregnant women at risk of developing blood clots is found to be ineffective. As many as one in 10 pregnant women have a tendency to develop ... full story

Overweight, Obese Preschoolers Lose More Weight When Parent Is Also Treated

July 24, 2014 — Primary care treatment of overweight and obese preschoolers works better when treatment targets both parent and child compared to when only the child is targeted. The study results suggest that ... full story

Female Triathletes at Risk for Pelvic Floor Disorders, Other Complications

July 24, 2014 — Female triathletes are at risk for pelvic floor disorders, decreased energy, menstrual irregularities and abnormal bone density, according to researchers. "There has been a surge in popularity of ... full story

Joblessness Could Kill You, but Recessions Could Be Good for Your Health

July 24, 2014 — While previous studies of individuals have shown that employees who lose their jobs have a higher mortality rate, more comprehensive studies have shown, unexpectedly, that population mortality ... full story

A Reward Is Valued More If You Choose It Yourself: New Quirky Byproduct of Learning from Reward

July 24, 2014 — Many people value rewards they choose themselves more than rewards they merely receive, even when the rewards are actually equivalent. A new study provides evidence that this long-observed quirk of ... full story

Background TV Can Be Bad for Kids

July 24, 2014 — Leaving the television on can be detrimental to children's learning and development, according to a new study. Researchers found that background television can divert a child’s attention from play ... full story

Warning: Birthdays Can Be Bad for Your Health

July 24, 2014 — Birthday-related drinking is associated with upsurges in hospital admissions among young people, research has ... full story

Stronger Early Reading Skills Predict Higher Intelligence Later

July 24, 2014 — A study of 1,890 identical twins has found that strong early reading skill might positively affect later intelligence. The twins, who are part of an ongoing longitudinal study in the United Kingdom, ... full story

Wireless Home Automation Systems Reveal More Than You Would Think About User Behavior

July 24, 2014 — Home automation systems that control domestic lighting, heating, window blinds or door locks offer opportunities for third parties to intrude on the privacy of the inhabitants and gain considerable ... full story

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Building 'Invisible' Materials With Light

July 28, 2014 — A new technique which uses light like a needle to thread long chains of particles could help bring sci-fi concepts such as cloaking devices one step closer to ... full story

'Holy Grail' of Battery Design Achieved: Stable Lithium Anode

July 27, 2014 — Researchers report that they have taken a big step toward accomplishing what battery designers have been trying to do for decades -- design a pure lithium anode. All batteries have three basic ... full story

Magnets for Fusion Energy: High-Temperature Superconductor Achieves New World Record for Electrical Current

July 25, 2014 — Scientists have achieved an electrical current of 100,000 amperes, which is by far the highest in the world, by using the new idea of assembling the state-of-the-art yttrium-based high-temperature ... full story

New System to Detect Mercury in Water Systems

July 25, 2014 — A new ultra-sensitive, low-cost and portable system for detecting mercury in environmental water has been developed by researchers. "The promising sensing performance of this system along with its ... full story

Nanoparticle 'Alarm Clock' Tested to Awaken Immune Systems Put to Sleep by Cancer

July 25, 2014 — Researchers are exploring ways to wake up the immune system so it recognizes and attacks invading cancer cells. One pioneering approach uses nanoparticles to jumpstart the body’s ability to fight ... full story

Breakthrough Laser Experiment Reveals Liquid-Like Motion of Atoms Within an Ultra-Cold Cluster

July 25, 2014 — A new study has furthered our understanding of how tiny nanosystems function, unlocking the potential to create new materials using nanosized ‘building ... full story

Antioxidant Biomaterial Promotes Healing

July 24, 2014 — The first-ever inherently antioxidant biomaterial has been created by researcher. It has the potential to prevent failure in medical devices and surgical implants. The lead researcher said the new ... full story

New Approach to Form Non-Equilibrium Structures

July 24, 2014 — Researchers get closer to understanding the fundamentals of non-equilibrium, self-assembled structures, unlocking potential in a variety of fields. By injecting energy through oscillations, ... full story

New Characteristics of Complex Oxide Surfaces Revealed

July 24, 2014 — A combination of microscopy and data processing has given researchers an unprecedented look at the surface of a material known for its unusual physical and electrochemical ... full story

Atomic Structure of Key Muscle Component Revealed

July 24, 2014 — Adding to the growing fundamental understanding of the machinery of muscle cells, a group of biophysicists describe -- in minute detail -- how actin filaments are stabilized at one of their ends to ... full story

Glow in Space Is Evidence of a Hot Bubble in Our Galaxy

July 28, 2014 — A recent study shows that the emission is dominated by the local hot bubble of gas -- 1 million degrees -- with, at most, 40 percent of emission originating within the solar system. The findings ... full story

New Mass Map of Distant Galaxy Cluster Is Most Precise Yet

July 24, 2014 — Astronomers have mapped the mass within a galaxy cluster more precisely than ever before. Created using observations from Hubble's Frontier Fields observing program, the map shows the amount and ... full story

Hubble Finds Three Surprisingly Dry Exoplanets: 'Hot Jupiters' Had Only One-Tenth to One One-Thousandth the Amount of Water Predicted

July 24, 2014 — Astronomers have gone looking for water vapor in the atmospheres of three planets orbiting stars similar to the Sun -- and have come up nearly dry. The three planets, known as HD 189733b, HD 209458b, ... full story

Voyager Spacecraft Might Not Have Reached Interstellar Space

July 23, 2014 — In 2012, the Voyager mission team announced that the Voyager 1 spacecraft had passed into interstellar space, traveling further from Earth than any other humanmade object. But, in the nearly two ... full story

New Approach in Search for Extraterrestrial Intelligence: Target Alien Polluters

July 23, 2014 — Humanity is on the threshold of being able to detect signs of alien life on other worlds. By studying exoplanet atmospheres, we can look for gases like oxygen and methane that only coexist if ... full story

Atmosphere of Titan, Saturn's Largest Moon

July 23, 2014 — An astronomer has published the results of the comparison of his model of Titan's atmosphere with the latest ... full story

Lives and Deaths of Sibling Stars

July 23, 2014 — In a new image from ESO, young stars huddle together against clouds of glowing gas and lanes of dust. The star cluster, NGC 3293, would have been just a cloud of gas and dust itself about ten million ... full story

Satellite Galaxies Put Astronomers in a Spin

July 23, 2014 — Astronomers have studied 380 galaxies and shown that their small satellite galaxies almost always move in rotating discs. However, such satellite galaxy discs are not predicted by current models of ... full story

NASA's Fermi Finds a 'Transformer' Pulsar

July 22, 2014 — In late June 2013, an exceptional binary containing a rapidly spinning neutron star underwent a dramatic change in behavior never before observed. The pulsar's radio beacon vanished, while at the ... full story

Hubble Traces Halo of a Galaxy More Accurately Than Ever Before: An in-Depth Look at Giant Elliptical Galaxy Centaurus A

July 22, 2014 — Astronomers have probed the extreme outskirts of the stunning elliptical galaxy Centaurus A. The galaxy's halo of stars has been found to extend much further from the galaxy's center than expected ... full story

Collecting Just the Right Data: Algorithm Helps Identify Which Data to Target

July 25, 2014 — Much artificial-intelligence research addresses the problem of making predictions based on large data sets. An obvious example is the recommendation engines at retail sites like Amazon and Netflix. ... full story

Smartphone Experiment Tracks Whether Our Life Story Is Written in Our Gut Bacteria

July 25, 2014 — Life events such as visiting another country or contracting a disease cause a significant shift in the make-up of the gut microbiota -- the community of bacteria living in the digestive system, ... full story

Gene Changes in Breast Cancer Cells Pinpointed With New Computational Method

July 24, 2014 — Computer scientists working with high-throughput data generated by breast cancer biologists have devised a computational method to determine how gene networks are rewired as normal breast cells turn ... full story

Artificial Intelligence Identifies the Musical Progression of the Beatles

July 24, 2014 — Computer scientists have developed an artificial intelligence algorithm that can analyze and compare musical styles, which they have used to study the musical progression of the ... full story

Novel Technologies Advance Brain Surgery to Benefit Patients

July 24, 2014 — In a milestone procedure, neurosurgeons have integrated advanced 3D imaging, computer simulation and next-generation surgical tools to perform a highly complex brain surgery through a small incision ... full story

Nearly 50 Years of Lemur, Other Primates Data Now Available Online

July 24, 2014 — A 48-year archive of life history data for the world's largest and most diverse collection of endangered primates is now digital and available online. The database allows visitors to view and ... full story

Unleashing the Power of Quantum Dot Triplets

July 24, 2014 — Another step towards faster computers relies on three coherently coupled quantum dots used as quantum information units. Quantum computers have yet to materialize. Yet, scientists are making progress ... full story

The Birth of Topological Spintronics: New Material Combo Could Lead to More Efficient Computers

July 23, 2014 — The discovery of a new material combination that could lead to a more efficient approach to computer memory and logic is the first promising indication that it may be possible to build a practical ... full story

New Model Helps Explain How Provisions Promote or Reduce Wildlife Disease

July 23, 2014 — Scientists have long known that providing supplemental food for wildlife, or resource provisioning, can sometimes cause more harm than good. Ecologists have now developed a new mathematical model to ... full story

Geography of Global Electronic Waste ('e-Waste') Burden

July 23, 2014 — As local and national governments struggle to deal with ever-growing piles of electronic waste, scientists are now refining the picture of just how much there is and where it really ends up. Their ... full story

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Social Network Research May Boost Prairie Dog Conservation Efforts

July 28, 2014 — Using statistical tools to map social connections in prairie dogs, researchers have uncovered relationships that escaped traditional observational techniques, shedding light on prairie dog ... full story

New Species of Mayfly Discovered in India

July 28, 2014 — Scientists have discovered a new species of mayfly in the southern Western Ghats, a mountain range along the west coast of India. The larvae have light-brown heads with light-yellow antennae, and ... full story

Dinosaurs Fell Victim to Perfect Storm of Events, Study Shows

July 28, 2014 — Dinosaurs might have survived the asteroid strike that wiped them out if it had taken place slightly earlier or later in history, scientists say. They found that in the few million years before a ... full story

Fire Ecology Manipulation by California Native Cultures

July 26, 2014 — Before the colonial era, 100,000s of people lived on the land now called California, and many of their cultures manipulated fire to control the availability of plants they used for food, fuel, tools, ... full story

Changes in Agriculture Increase High River Flow Rates

July 25, 2014 — Researchers have examined how changes in rainfall amounts and an increase in the amount of acreage used to grow such crops as corn and soybeans can affect the volume of river water flow in the U.S. ... full story

Monitoring Rise and Fall of the Microbiome

July 25, 2014 — Close analysis of bacteria in the human digestive tract reveals links to diet and other lifestyle factors, researchers report. Trillions of bacteria live in each person's digestive tract. Scientists ... full story

'Light Pollution' May Affect Love Lives of Birds in the Viennese Forests

July 25, 2014 — Artificial light in cities exerts negative effects on humans, animals, and their environment. In an ongoing research project, behavioral biologists are investigating how blue tits in the Viennese ... full story

Parched West Is Using Up Underground Water: Study Points to Grave Implications for Western U.S. Water Supply

July 24, 2014 — A new study finds more than 75 percent of the water loss in the drought-stricken Colorado River Basin since late 2004 came from underground resources. The extent of groundwater loss may pose a ... full story

Moose Drool Inhibits Growth of Toxic Fungus

July 24, 2014 — Research shows a surprisingly effective way to fight against a certain species of toxic grass fungus: moose saliva. Inspired by an earlier study that showed that moose grazing and saliva distribution ... full story

Humans Share Fairness Concerns With Other Species

July 24, 2014 — Humans aren’t the only species to react strongly to actions they consider unfair. A similar drive for fairness in monkeys and some dogs may offer insight into people’s desire for equity, ... full story

Climate Change and Air Pollution Will Combine to Curb Food Supplies

July 27, 2014 — Many studies have shown the potential for global climate change to cut food supplies. But these studies have, for the most part, ignored the interactions between increasing temperature and air ... full story

Global Wildlife Decline Driving Slave Labor, Organized Crime

July 24, 2014 — Global decline of wildlife populations is driving increases in violent conflicts, organized crime and child labor around the world, according to a experts. Researchers call for biologists to join ... full story

Pesticide Linked to Three Generations of Disease: Methoxychlor Causes Epigenetic Changes

July 24, 2014 — Researchers say ancestral exposures to the pesticide methoxychlor may lead to adult onset kidney disease, ovarian disease and obesity in future ... full story

No Returning to Eden: Researchers Explore How to Restore Species in a Changing World

July 24, 2014 — Reversing the increasing rate of global biodiversity losses may not be possible without embracing intensive, and sometimes controversial, forms of threatened species management, according to ... full story

Synchronization of North Atlantic, North Pacific Preceded Abrupt Warming, End of Ice Age

July 24, 2014 — Scientists have long been concerned that global warming may push Earth's climate system across a 'tipping point,' where rapid melting of ice and further warming may become irreversible -- a hotly ... full story

New Way to Determine Cancer Risk of Chemicals Found

July 24, 2014 — It is possible to predict long-term cancer risk from a chemical exposure by measuring the short-term effects of that same exposure, new research has found. The findings will make it possible to ... full story

Invertebrate Numbers Nearly Halve as Human Population Doubles

July 24, 2014 — Invertebrate numbers have decreased by 45 percent on average over a 35 year period in which the human population doubled, reports a study on the impact of humans on declining animal numbers. This ... full story

Leaf-Mining Insects Destroyed With the Dinosaurs, Others Quickly Appeared

July 24, 2014 — After the asteroid impact at the end of the Cretaceous period that triggered the dinosaurs' extinction and ushered in the Paleocene, leaf-mining insects in the western United States completely ... full story

New Perspective on Agricultural Plastic, Debris Burning, and Air Quality

July 24, 2014 — To reduce fire hazard, wildland managers often utilize the silvicultural practice of mechanically cutting woody shrubs and suppressed trees. These cuttings and other post-logging debris are then ... full story

Fukushima Accident Underscores Need for U.S. to Seek out New Information About Nuclear Plant Hazards

July 24, 2014 — A new congressionally mandated report concludes that the overarching lesson learned from the 2011 Fukushima Daiichi nuclear accident is that nuclear plant licensees and their regulators must actively ... full story

Four-Billion-Year-Old Chemistry in Cells Today

July 24, 2014 — Parts of the primordial soup in which life arose have been maintained in our cells today according to scientists. Research has revealed how cells in plants, yeast and very likely also in animals ... full story

Dog Jealousy: Study Suggests Primordial Origins for the 'Green-Eyed Monster'

July 23, 2014 — Dogs exhibit jealous behaviors. The first experimental test of jealousy in dogs supports the view that there may be a more basic form of jealousy, which evolved to protect social bonds from ... full story

3-D Image of Paleolithic Child's Skull Reveals Trauma, Brain Damage

July 23, 2014 — Three-dimensional imaging of a Paleolithic child's skull reveals potentially violent head trauma that likely lead to brain ... full story

Ancient Genetic Material from Caries Bacterium Obtained for the First Time

July 23, 2014 — Streptococcus mutans, one of the principal bacteria that cause dental caries, has increased the change in its genetic material over time, possibly coinciding with dietary change linked to the ... full story

Mammoth and Mastodon Behavior Was Less Roam, More Stay at Home

July 21, 2014 — Their scruffy beards weren't ironic, but there are reasons mammoths and mastodons could have been the hipsters of the Ice Age. According to new research, the famously fuzzy relatives of elephants ... full story

Science and Art Bring Back to Life 300-Million-Year-Old Specimens of a Primitive Reptile-Like Vertebrate

July 21, 2014 — Paleontologists have recreated the cranial structure of a 308-million-year-old lizard-like vertebrate that could be the earliest example of a reptile and explain the origin of all vertebrates that ... full story

Tooth Plaque Provides Unique Insights Into Our Prehistoric Ancestors' Diet

July 16, 2014 — An international team of researchers has found new evidence that our prehistoric ancestors had a detailed understanding of plants long before the development of agriculture. By extracting chemical ... full story

Brain of World's First Known Predators Discovered

July 16, 2014 — Scientists have found the fossilized remains of the brain of the world's earliest known predators, from a time when life teemed in the oceans but had not yet colonized the land. The discovery reveals ... full story

Animal Foraging Tactics Unchanged for 50 Million Years

July 15, 2014 — Animals have used the same technique to search for food that's in short supply for at least 50 million years, a new study suggests. Researchers analyzed fossilized sea urchin trails from northern ... full story

Dodos and Spotted Green Pigeons Are Descendants of an Island Hopping Bird

July 15, 2014 — The mysterious spotted green pigeon was a relative of the dodo, according to scientists who have examined its genetic make-up. The authors say their results support a theory that both birds are ... full story

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Shift Work Linked to Heightened Risk of Type 2 Diabetes

July 24, 2014 — Shift work is linked to a heightened risk of developing type 2 diabetes, with the risk seemingly greatest among men and those working rotating shift patterns, indicates an analysis of the available ... full story

Community Service Programs That Include Reflection Found to Be More Beneficial to Youth

July 24, 2014 — Using meta-analysis to asses 49 studies from around the world, researchers have found that community service that includes reflection is more beneficial for adolescents than community service that ... full story

Western Indian Ocean Communities Play Vital Role in Conservation

July 24, 2014 — Researchers have carried out the first assessment of community-led marine conservation in the Western Indian Ocean.   The results point to a revolution in the management of marine protected areas, ... full story

Strengthening Community Forest Rights Is Critical Tool to Fight Climate Change

July 24, 2014 — Strengthening community forest rights is an essential strategy to reduce billions of tons of carbon emissions, making it an effective way for governments to meet climate goals, safeguard forests and ... full story

Greater Odds of Adverse Childhood Experiences in Those With Military Service, Study Finds

July 23, 2014 — Men and women who have served in the military have a higher prevalence of adverse childhood events (ACEs), suggesting that enlistment may be a way to escape adversity for some. ACEs can result in ... full story

15-Year Analysis of Blue Whale Range Off California Finds Conflict With Shipping Lanes

July 23, 2014 — A comprehensive analysis of the movements of blue whales off the West Coast found that their favored feeding areas are bisected by heavily used shipping lanes, increasing the threat of injury and ... full story

Strategy Proposed for Preventing Diseases of Aging

July 23, 2014 — Researchers argue that medicine focuses too much on fighting diseases individually instead of concentrating on interventions that prevent multiple chronic diseases and extend healthy lifespan. They ... full story

Nano-Sized Chip Picks Up Scent of Explosives Molecules Better Than Dog's Nose

July 23, 2014 — A groundbreaking nanotechnology-inspired sensor picks up the scent of explosives molecules better than a detection dog's nose. The device is mobile, inexpensive, and highly accurate, detecting ... full story

Could Tailored Golf Balls Improve Golfing Performance?

July 23, 2014 — Elements such as trip wires, dimples and sand-grain roughness on the surface of a body have been shown to be effective in reducing drag on objects such as golf balls, which helps them fly ... full story

Experts to Combat Potential 'Health Catastrophe' of Deadly Tuberculosis Among People With Diabetes

July 23, 2014 — New research aims to estimate the benefits of different ways to carry out screening both patients with tuberculosis (TB) for diabetes and the other way around in parts of the world where both ... full story

Powerful New Source of Up-to-Date Information on Economic Activity

July 10, 2014 — Researchers have developed a new data infrastructure for measuring economic activity. The infrastructure uses aggregated and de-identified data on transactions and account balances from Check, a ... full story

Computer Security: 'Melbourne Shuffle' Secures Data in the Cloud

July 10, 2014 — Encryption might not be enough for all that data stored in the cloud. Usage patterns -- which files are accessed and when -- can give away secrets as well. Computer scientists have developed an ... full story

Neuroeconomists Confirm Warren Buffett's Wisdom: Brain Research Suggests an Early Warning Signal Tips Off Smart Traders

July 7, 2014 — Investment magnate Warren Buffett has famously suggested that investors should try to 'be fearful when others are greedy and be greedy only when others are fearful.' That turns out to be excellent ... full story

Putting a Price Tag on the 2 Degree Celsius Climate Target

July 2, 2014 — Addressing climate change will require substantial new investment in low-carbon energy and energy efficiency -- but no more than what is currently spent on today's fossil-dominated energy system, ... full story

Oil Palm Plantations Threaten Water Quality, Scientists Say

June 30, 2014 — Indonesia pays a price for a lucrative crop used in many household products. Palm plantations damage freshwater streams that supply drinking water to millions of people. Found in thousands of ... full story

Are You Seen as a Jerk at Work? Many People Are Oblivious to How They Come Across to Counterparts and Colleagues

June 30, 2014 — New research shows that many people seen by others as under-assertive or over-assertive think they're appropriately assertive. The study also reveals that people seen as getting assertiveness right ... full story

Back Away, Please: Humans Tend to Fear Things Approaching, Even If Non-Threatening

June 23, 2014 — We still have negative feelings about things that approach us -- even if they objectively are not threatening, according to new research. Though we modern humans don't really consider such fear, it ... full story

New Research Proves Gender Bias Extraordinarily Prevalent in Science, Technology, Engineering and Math Fields

June 23, 2014 — With everyone from the federal government to corporate America working to encourage more women to pursue careers in science, technology, engineering and math fields, you would think the doors would ... full story

Android Security Weaknesses Caused by Performance Design Identified

June 19, 2014 — Researchers have identified a weakness in one of Android’s security features. The research identifies an Android performance feature that weakens a software protection called Address Space Layout ... full story

Crucial Security Problem in Google Play: Thousands of Secret Keys Found in Android Apps

June 18, 2014 — Researchers have discovered a crucial security problem in Google Play, the official Android app store. The study is the first to make a large-scale measurement of the huge marketplace, using ... full story

Natural-Terrain Schoolyards Reduce Children's Stress, Says Study

July 22, 2014 — Playing in schoolyards that feature natural habitats and trees and not just asphalt and recreation equipment reduces children's stress and inattention, according to a ... full story

Try, Try Again? Study Says No: Trying Harder Makes It More Difficult to Learn Some Aspects of Language, Neuroscientists Find

July 21, 2014 — Neuroscientists find that trying harder makes it more difficult to learn some aspects of language. When it comes to learning languages, adults and children have different strengths. Adults excel at ... full story

Philosopher Uses Game Theory to Understand How Words, Actions Acquire Meaning

July 21, 2014 — Why does the word "dog" have meaning? If you say "dog" to a friend, why does your friend understand you? A philosopher aims to address these types of questions in his latest research, which focuses ... full story

Brain Waves Show Learning to Read Does Not End in 4th Grade, Contrary to Popular Theory

July 21, 2014 — Teachers-in-training have long been taught that fourth grade is when students stop learning to read and start reading to learn. But a new study tested the theory by analyzing brain waves and found ... full story

Large Twin Study Suggests That Language Delay Due More to Nature Than Nurture

July 21, 2014 — A study of 473 sets of twins followed since birth found twins have twice the rate of language delay as do single-born children. Moreover, identical twins have greater rates of language delay than do ... full story

Months Before Their First Words, Babies' Brains Rehearse Speech Mechanics

July 14, 2014 — New research in 7- and 11-month-old infants shows that speech sounds stimulate areas of the brain that coordinate and plan motor movements for speech. The study suggests that baby brains start laying ... full story

Want a Higher GPA in College? Join a Gym

July 10, 2014 — For those students looking to bump up their grade point averages during college, the answer may not be spending more time in a library or study hall, but in a gym. New research shows that students ... full story

Same Genes Drive Mathematics and Reading Ability

July 8, 2014 — About half of the genes that influence how well a child can read also play a role in their mathematics ability, say scientists who led a study into the genetic basis of cognitive traits. While ... full story

Working Memory Is Key to Early Academic Achievement

July 8, 2014 — Working memory in children is linked strongly to reading and academic achievement, a new study has shown. Moreover, this finding holds true regardless of socio-economic status. This suggests that ... full story

3-D Printer to Aid the Visually Impaired Students in Their Educational Endeavors

July 2, 2014 — New technology has been developed to make tactile objects with ease thanks to the convergence technology of 3-D printing and 3-D thermal reflow treatment, which can be denoted as the revolution in ... full story

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