Today's Science News

Friday, July 25, 2014

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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

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

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

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

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

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

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

Gene Inhibitor, Salmon Fibrin Restore Function Lost in Spinal Cord Injury in Rodents

July 23, 2014 A therapy combining salmon fibrin injections into the spinal cord and injections of a gene inhibitor into the brain restored voluntary motor function impaired by spinal cord injury, scientists have ... full story

Life Expectancy Gains Threatened as More Older Americans Suffer from Multiple Medical Conditions

July 23, 2014 With nearly four in five older Americans living with multiple chronic medical conditions, a new study finds that the more ailments you have after retirement age, the shorter your life expectancy. The ... 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

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 2014-07-25 at 12:08 pm EDT

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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

Could Heart Attack Patients Could Be Treated More Quickly?

July 25, 2014 Clinical judgement, combined with an electrocardiogram (ECG) and blood test on arrival, is effective in reducing unnecessary hospital admissions for chest pain, a new study shows. The findings of a ... full story

Dementia Carers Need More Medication Support, Report Says

July 25, 2014 Family carers of people with dementia may need more support with medication management, according to a recent study. "Family carers have a key role in supporting medication management particularly as ... full story

Vulnerable Populations Disproportionately Affected by Food Security, Despite Public Programs

July 25, 2014 Vulnerable populations such as children, the elderly, ethnic minorities, and low-income households are disproportionately affected by food security, despite the extensive private and public food ... 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

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

Linking Microbial, Immune Environment in Semen to HIV Viral Load, Transmission

July 24, 2014 HIV infection re-shapes the relationship between semen bacteria and immune factors which in turn affects viral load, suggesting that the semen microbiome plays a role in sexual transmission of HIV, ... full story

DNA Mostly 'Junk?' Only 8.2 Percent of Human DNA Is 'Functional', Study Finds

July 24, 2014 Only 8.2 percent of human DNA is likely to be doing something important -- is 'functional' -- say researchers. This figure is very different from one given in 2012, when some scientists involved in ... 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

Protein Couple Controls Flow of Information Into Brain's Memory Center

July 24, 2014 Neuroscientists have succeeded in providing new insights into how the brain works by analyzing tissue samples from mice to identify how two specific proteins, 'CKAMP44' and 'TARP Gamma-8', act upon ... 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

Metastatic Brain Tumor Treatment Could Be on the Horizon With Use of SapC-DOPS

July 24, 2014 A new study has provided hope that previously studied SapC-DOPS could be used for treatment of brain cancer that has spread. "These results support the potential of SapC-DOPS for the diagnosis and ... 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

Paracetamol No Better Than Placebo for Lower Back Pain

July 24, 2014 Paracetamol is no better than placebo at speeding recovery from acute episodes of lower back pain or improving pain levels, function, sleep, or quality of life, according to the first large ... 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

How Stress Hormones Promote Brain's Building of Negative Memories

July 23, 2014 Scientists have discovered a key component to better understanding how traumatic memories may be strengthened in women. Their study's findings suggest that developing clinical treatments that could ... full story

Ketamine Can Be a Wonder Drug for ER Patients, Physicians

July 23, 2014 For critically ill patients arriving at the emergency department, the drug ketamine can safely provide analgesia, sedation and amnesia for rapid, life-saving intubation, despite decades-old studies ... full story

Controlling Childbirth Pain Tied to Lower Depression Risk

July 23, 2014 Controlling pain during childbirth and post delivery is linked to reduced risk of postpartum depression, says a perinatal psychiatrist, based on a new study. The study showed postpartum depression ... full story

Caffeine Intake May Worsen Menopausal Hot Flashes, Night Sweats

July 23, 2014 An association between caffeine intake and more bothersome hot flashes and night sweats in postmenopausal women has been made by researchers. Approximately 85 percent of the U.S. population consumes ... 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

Age of Puberty in Girls Influenced by Which Parent 'Imprinted' Genes Are Inherited from

July 23, 2014 The age at which girls reach sexual maturity is influenced by 'imprinted' genes, a small sub-set of genes whose activity differs depending on which parent passes on that gene, according to new ... 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

In Asthma, It's Not Just What You Smell, but What You Think You Smell

July 22, 2014 Simply believing that an odor is potentially harmful can increase airway inflammation in asthmatics for at least 24 hours following exposure, research shows. The findings highlight the role that ... full story

How Children Categorize Living Things

July 22, 2014 "Name everything you can think of that is alive." How would a child respond to this question? Would his or her list be full of relatives, animals from movies and books, or perhaps neighborhood pets? ... full story

Study Reveals 'Unhappiest' Cities in the U.S.

July 22, 2014 New research identifies the unhappiest cities in the U.S., but finds that some young people are still willing to relocate to them for a good job opportunity or lower housing prices. The analysis ... full story

High School Lacrosse Players at Risk for Concussions, Other Injuries, Study Finds

July 22, 2014 High school players experienced 1,406 injuries over the four academic years from 2008 through 2012, a new study reports. The overall injury rate was 20 per 10,000 lacrosse competitions and practices. ... full story

Low Strength Brain Stimulation May Be Effective for Depression

July 22, 2014 Brain stimulation treatments, like electroconvulsive therapy (ECT) and transcranial magnetic stimulation (TMS), are often effective for the treatment of depression. Like antidepressant medications, ... full story

Computer Privacy: Share Button May Share Your Browsing History, Too

July 22, 2014 One in 18 of the world’s top 100,000 websites track users without their consent using a previously undetected cookie-like tracking mechanism embedded in ‘share’ buttons. The researchers traced ... full story

Eating Probiotics Regularly May Improve Your Blood Pressure

July 21, 2014 Probiotics -- a bacteria in yogurt and supplements -- appear to modestly lower blood pressure, according to a review of nine studies. The blood pressure-lowering effect from probiotics was greatest ... full story

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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

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

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

Cost-Effective, Solvothermal Synthesis of Heteroatom (S or N)-Doped Graphene Developed

July 24, 2014 A research team has developed cost-effective technology to synthesize sulfur-doped and nitrogen-doped graphenes which can be applied as high performance electrodes for secondary batteries and fuel ... full story

Dream Come True for Chemists? Creating Organic Zeolites

July 24, 2014 Traditionally, zeolites have been derived from inorganic material like silicon or aluminum. For the past several years, one research team has focused on combining zeolites with organic polymers whose ... full story

Discovery Is Key to Metal Wear in Sliding Parts

July 24, 2014 Researchers have discovered a previously unknown mechanism for wear in metals: a swirling, fluid-like microscopic behavior in a solid piece of metal sliding over another. The findings could be used ... full story

Chemist Develops X-Ray Vision for Quality Assurance

July 24, 2014 A researcher has developed a method that uses X-rays for the rapid identification of substances present in an indeterminate powder. The new technique has the capacity to recognize advanced biological ... 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

Nano-Supercapacitors for Electric Cars

July 24, 2014 Innovative nano-material based supercapacitors are set to bring mass market appeal a good step closer to the lukewarm public interest in Germany. This movement is currently being motivated by the ... full story

Formula Calculates Thickness of Bombproof Concrete

July 24, 2014 A new type of steel-reinforced concrete protects buildings better from bomb attacks. Researchers have developed a formula to quickly calculate the concrete’s required thickness. The material will ... 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

Boosting the Force of Empty Space: Theorists Propose Way to Amplify Force of Vacuum Fluctuations

July 22, 2014 Vacuum fluctuations may be among the most counter-intuitive phenomena of quantum physics. Theorists have now proposed a way to amplify their force. The researchers believe that their proposed ... full story

Massive Neutrinos and New Standard Cosmological Model: No Concordance Yet

July 22, 2014 Neutrinos, also known as ‘ghost particles’ because they barely interact with other particles or their surroundings, are massless particles according to the standard model of particle physics. ... 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

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

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

A Crystal Wedding in the Nanocosmos May Lead to Fast Multi-Functional Processing Units on Single Chip

July 23, 2014 Researchers have succeeded in embedding nearly perfect semiconductor crystals into a silicon nanowire. With this new method of producing hybrid nanowires, very fast and multi-functional processing ... full story

Scientists Find Way to Maintain Quantum Entanglement in Amplified Signals

July 23, 2014 Physicists have found a way to preserve quantum entanglement of particles passing through an amplifier and, conversely, when transmitting a signal over long ... full story

Can Machines Think? Misidentification of Humans as Machines in Turing Tests

July 23, 2014 Pairs were set up and judges were tasked with identifying whether who they were talking to was human or a computer. Can machines be successful in 'being human' in real ... full story

Electronic Nose Could Aid in Rescue Missions

July 23, 2014 Researchers have developed a device that allows multiple robotic platforms to follow the path of certain odors. A technology which could aid the search and rescue of people in case of natural ... full story

Dopamine Transporter: Stampede Supercomputer Used to Study Common Link Between Addiction, Neurological Disease

July 22, 2014 The XSEDE-allocated Stampede supercomputer has been used to study the dopamine transporter. Stampede is ranked seventh on the Top 500 list of supercomputers. Its research links altered dopamine ... full story

Quantum Leap in Lasers Brightens Future for Quantum Computing

July 22, 2014 Scientists have devised a breakthrough laser that uses a single artificial atom to generate and emit particles of light. The laser may play a crucial role in the development of quantum computers, ... full story

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'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

New Hope for Powdery Mildew Resistant Barley

July 25, 2014 New research has opened the way for the development of new lines of barley with resistance to powdery mildew. "Powdery mildew is a significant problem wherever barley is grown around the world," says ... 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

Corn and Soy Insecticides Similar to Nicotine Found Widespread in Midwest U.S. Rivers

July 24, 2014 Insecticides similar to nicotine, known as neonicotinoids, were found commonly in streams throughout the Midwest, according to a new study. This is the first broad-scale investigation of ... full story

Cancer: Treatment That Prevents Tumor Metastasis Identified in Animal Study

July 24, 2014 Metastasis, the strategy adopted by tumor cells to transform into an aggressive form of cancer, are often associated with a gloomy prognosis. Managing to block the metastasis or, even better, prevent ... full story

Tiny New Species of Frog from Brazil With a Heroic Name

July 24, 2014 Molecular analysis helps scientists discover and describe a tiny new species of narrow-mouthed frog from the genus Chiasmocleis. The news species, Chiasmocleis quilombola is named after the quilombos ... full story

Key Molecule in Flies Identified That Adjusts Energy Use Under Starvation Conditions

July 24, 2014 In the fly Drosophila melanogaster, p53 is activated in certain cells to adapt the metabolic response to nutrient deprivation, thus having a global effect on the organism, researchers show. The ... full story

Natural Products from Plants Protect Skin During Cancer Radiotherapy

July 24, 2014 Plant-derived natural product chemicals could offer protection to the skin from the harmful effects of gamma radiation during cancer radiotherapy, suggests ... full story

Genome Analysis Helps in Breeding More Robust Cows

July 24, 2014 Genome analysis of 234 bulls has put researchers on the trail of DNA variants which influence particular characteristics in breeding bulls. For example, two variants have proven responsible for ... 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

Vasculature of the Hive: How Honey Bees Stay Cool

July 23, 2014 Honey bees, especially the young, are highly sensitive to temperature and to protect developing bees, adults work together to maintain temperatures within a narrow range. New research also supports ... full story

Sapronoses: Diseases of Another Kind, Caused by Pathogenic Microorganisms

July 23, 2014 The drought that has the entire country in its grip is affecting more than the color of people's lawns. It may also be responsible for the proliferation of a heat-loving amoeba commonly found in warm ... full story

Bird 'Backpacks' Put Wood Thrush Migration on the Map

July 23, 2014 Researchers have created the first migratory connectivity map produced for a songbird, using tracking from both breeding and winter sites. They were able to trace the route taken by wood thrushes ... 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

Major Impact of Climate Change on Antarctic Fur Seals

July 23, 2014 Genetic analysis of Antarctic fur seals, alongside decades of in-depth monitoring, has provided unique insights into the effect of climate change on a population of top-predators. The findings show ... full story

How Much Magma Is Hiding Beneath Our Feet? Mysteries of Earth's Crust Pierced

July 23, 2014 Molten rock, or magma, has a strong influence on our planet and its inhabitants, causing destructive volcanic eruptions and generating some of the giant mineral deposits. Our understanding of these ... full story

Calcification in Changing Oceans

July 23, 2014 What do mollusks, starfish, and corals have in common? Aside from their shared marine habitat, they are all calcifiers -- organisms that use calcium from their environment to create hard carbonate ... full story

Research Charts Ecological Impact of Microbial Respiration in Oxygen-Starved Ocean

July 23, 2014 A sulfur-oxidizing bacterial group called SUP05 will play an increasingly important role in carbon and nutrient cycling in the world's oceans as oxygen minimum zones expand, according to research. To ... full story

Researchers Work to Save Endangered New England Cottontail

July 23, 2014 Scientists are working to restore New Hampshire and Maine's only native rabbit after new research based on genetic monitoring has found that in the last decade, cottontail populations in northern New ... 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

New Feathered Predatory Fossil Sheds Light on Dinosaur Flight

July 15, 2014 A new raptorial dinosaur fossil with exceptionally long feathers has provided exciting insights into dinosaur flight. A new article asserts that the fossil has a long feathered tail that scientists ... full story

Little Too Late: Pathogenic Bacterium in 700-Year-Old Skeleton Identified

July 15, 2014 Researchers have recovered a genome of the bacterium Brucella melitensis from a 700-year-old skeleton found in the ruins of a Medieval Italian village. Researchers used a technique called shotgun ... full story

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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

Safeguarding Belize's Barrier Reef With Conservation Drones

July 22, 2014 Seeking to gain a high-tech edge over illegal fishers, the Government of Belize will use “eyes in the sky” to enforce fishing regulations in the biodiverse Glover’s Reef Marine Reserve and ... full story

Vulnerability of Sharks as Collateral Damage in Commercial Fishing Shown by Study

July 22, 2014 A new study that examined the survival rates of 12 different shark species when captured as unintentional bycatch in commercial longline fishing operations found large differences in survival rates ... full story

HIV, Malaria, and Tuberculosis: Success of the Millennium Shown in Most Comprehensive Study to Date

July 22, 2014 Accelerated progress against the global burden of HIV, malaria, and tuberculosis (TB) has been made since 2000 when governments worldwide adopted Millennium Development Goal 6 to combat HIV/AIDS, ... full story

Innovative System Anticipates Driver Fatigue in the Vehicle to Prevent Accidents

July 22, 2014 Scientists have created a devise integrated in smart materials capable of monitoring cardiac and respiratory rhythms in order to prevent drivers from falling ... full story

Real Price of Steak: Comparing Environmental Costs of Livestock-Based Foods

July 21, 2014 New research reveals the comparative environmental costs of livestock-based foods. While we are told that eating beef is bad for the environment, do we know its real cost? Are the other animal or ... full story

New Clues About Source of Racial Health Disparities

July 21, 2014 The use of specific ethnicities in public health messaging can have unexpected negative consequences. A first-of-its-kind study has found evidence that the persistent health disparities across race ... full story

Replacing Coal, Oil With Natural Gas Will Not Help Fight Global Warming, Expert Argues

July 21, 2014 Both shale gas and conventional natural gas have a larger greenhouse gas footprint than do coal or oil, especially for the primary uses of residential and commercial heating. "While emissions of ... full story

Seals Forage at Offshore Wind Farms

July 21, 2014 By using sophisticated GPS tracking to monitor seals' every movement, researchers have shown for the first time that some individual seals are repeatedly drawn to offshore wind farms and pipelines. ... 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

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

Learn Dutch in Your Sleep: Listening to Lessons While Sleeping Reinforces Memory

June 30, 2014 When you have learned words in another language, it may be worth listening to them again in your sleep. A study has now shown that this method reinforces memory. "Our method is easy to use in daily ... full story

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