Today's Science News

Tuesday, January 27, 2015

Featured Research

from universities, journals, and other organizations

Gigantic Ring System Around J1407b Much Larger, Heavier Than Saturn's

Jan. 26, 2015 — Astronomers have discovered that the ring system that they see eclipse the very young Sun-like star J1407 is of enormous proportions, much larger and heavier than the ring system of ... full story

Brain Circuit That Regulates Thirst Identified

Jan. 26, 2015 — Scientists have identified a circuit in the brains of mice that regulates thirst. When a subset of cells in the circuit is switched on, mice immediately begin drinking water, even if they are fully ... full story

Entanglement on a Chip: Breakthrough Promises Secure Communications and Faster Computers

Jan. 26, 2015 — A team of scientists has developed, for the first time, a microscopic component that is small enough to fit onto a standard silicon chip that can generate a continuous supply of entangled ... full story

Chemists Find a Way to Unboil Egg Whites: Ability to Quickly Restore Molecular Proteins Could Slash Biotechnology Costs

Jan. 26, 2015 — Chemists have figured out how to unboil egg whites -- an innovation that could dramatically reduce costs for cancer treatments, food production and other segments of the $160 billion global ... full story

Scientists Slow Down the Speed of Light Travelling in Free Space

Jan. 23, 2015 — Scientists have managed to slow photons in free space for the first time. They have demonstrated that applying a mask to an optical beam to give photons a spatial structure can reduce their ... full story

Girls Lead Boys in Academic Achievement Globally

Jan. 26, 2015 — Considerable attention has been paid to how boys' educational achievements in science and math compare to girls' accomplishments in those areas, often leading to the assumption that boys ... full story

Got Bees? Got Vitamin A? Got Malaria? Loss of Pollinators Increases Risk of Malnutrition, Disease

Jan. 26, 2015 — More than half the people in some developing countries could become newly at risk for malnutrition if crop-pollinating animals -- like bees -- continue to decline, experts say. Despite popular ... full story

3-D View of Greenland Ice Sheet Opens Window on Ice History

Jan. 23, 2015 — Scientists using ice-penetrating radar have created 3-D maps of the age of the ice within the Greenland Ice Sheet. The new maps will aid future research to understand the impact of climate change on ... full story

How Malaria-Spreading Mosquitoes Can Tell You're Home

Jan. 22, 2015 — Females of the malaria-spreading mosquito tend to obtain their blood meals within human dwellings. But is human odor enough as a reliable cue for the mosquitoes in finding humans to bite? Not quite, ... full story

Family Voices, Stories Speed Coma Recovery

Jan. 22, 2015 — 'Can he hear me?' Family members are desperate to know when a loved one with a traumatic brain injury is in a coma. A new study shows the recorded voices of loved ones telling the patient ... full story

On the Ups and Downs of the Seemingly Idle Brain

Jan. 20, 2015 — Even when it seems not to be doing much, the brain maintains a baseline of activity in the form of up and down states of bustle and quiet. To accomplish this seemingly simple cycle, it maintains a ... full story

Which 'Letters' in the Human Genome Are Functionally Important?

Jan. 20, 2015 — A new computational method has been developed to identify which letters in the human genome are functionally important. Their computer program, called fitCons, harnesses the power of evolution, ... full story

Friends Know How Long You'll Live, Study Finds

Jan. 24, 2015 — Young lovers walking down the aisle may dream of long and healthy lives together, but close friends in the wedding party may have a better sense of whether those wishes will come true, suggests new ... full story

Why All-Nighters Don't Work: How Sleep, Memory Go Hand-in-Hand

Jan. 23, 2015 — Scientists have long known that sleep, memory and learning are deeply connected but how has remained a mystery. The question is, does the mechanism that promotes sleep also consolidate memory, or do ... full story

Climate Affects Development of Human Speech

Jan. 23, 2015 — A correlation between climate and the evolution of language has been uncovered by researchers. To find a relationship between the climate and the evolution of language, one needs to discover an ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

Ebola Killing Large Portion Of Ape Population

Ebola Killing Large Portion Of Ape Population

Newsy (Jan. 23, 2015) — Experts estimate Ebola has wiped out one-third of the world's gorillas and chimpanzees. Video provided by Newsy
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Rosetta Captures Stunning Views, Diverse Data Of Comet 67P

Rosetta Captures Stunning Views, Diverse Data Of Comet 67P

Newsy (Jan. 23, 2015) — The first images of the European Space Agency's Rosetta probe comet orbit could provide clues about its origin and how it got its unique shape. Video provided by Newsy
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Firestorms Didn't Cause Dinosaur Extinction, Study Finds

Firestorms Didn't Cause Dinosaur Extinction, Study Finds

Newsy (Jan. 22, 2015) — New research suggests the heat generated by a suspected asteroid or comet impact wasn't enough to kick off planet-wide firestorms. Video provided by Newsy
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Doomsday Clock Moves Two Minutes Closer to Midnight

Doomsday Clock Moves Two Minutes Closer to Midnight

AFP (Jan. 22, 2015) — A group of prominent scientists and Nobel laureates say climate change and the danger of nuclear war pose an ever-growing threat to civilization and are bringing the world closer to doomsday. Duration: 00:46 Video provided by AFP
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last updated on 2015-01-27 at 5:53 am EST

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Beating the Clock: Researchers Develop New Treatment for Rabies

Jan. 26, 2015 — Successfully treating rabies can be a race against the clock. Those who suffer a bite from a rabid animal have a brief window of time to seek medical help before the virus takes root in the central ... full story

Antiangiogenesis Drugs Could Make Major Improvement in Tuberculosis Treatment

Jan. 26, 2015 — Use of the same antiangiogenesis drugs that have improved treatment of some cancers could also help surmount persistent difficulties in treating tuberculosis, improving the effectiveness of drug ... full story

How a Cancer-Causing Virus Blocks Human Immune Response

Jan. 26, 2015 — Scientists have revealed how a type of cancer-causing virus outwits the human body's immune response. The discovery might help explain why some cancer therapies that incorporate interferon fail to ... full story

Chronic Insomniacs May Face Increased Risk of Hypertension

Jan. 26, 2015 — Insomniacs who take longer than 14 minutes to fall asleep face a greater risk of hypertension, according to new research. This study is the first to test whether insomnia with physiological ... full story

New Breast Cancer Risk Prediction Model More Accurate Than Current Model

Jan. 26, 2015 — A new breast cancer risk prediction model combining histologic features of biopsied breast tissue from women with benign breast disease and individual patient demographic information more accurately ... full story

High Cholesterol in 30s, 40s, Increases Later Risk of Heart Disease

Jan. 26, 2015 — Most young adults might assume they have years before needing to worry about their cholesterol. But new findings suggest that even slightly high cholesterol levels in otherwise healthy adults between ... full story

Engineering Self-Assembling Amyloid Fibers

Jan. 26, 2015 — Nature has many examples of self-assembly, and bioengineers are interested in copying these systems to create useful new materials or devices. Amyloid proteins, for example, can self-assemble into ... full story

Scientists Discover a New Blood Platelet Formation Mechanism

Jan. 26, 2015 — A new cellular mechanism, called the endocycle, encourages the formation of platelets, the cells needed to coagulate blood. In mouse models, endocycles can help to control thrombocytopenia, a disease ... full story

Higher Dementia Risk Linked to More Use of Common Drugs

Jan. 26, 2015 — A large study links a significantly increased risk for developing dementia, including Alzheimer's disease, to taking commonly used medications with anticholinergic effects at higher doses or for a ... full story

Possible Therapeutic Target for Common, but Mysterious Brain Blood Vessel Disorder

Jan. 26, 2015 — Tens of millions of people worldwide have abnormal, leak-prone sproutings of blood vessels in the brain called cerebral cavernous malformations. These abnormal growths can lead to seizures, strokes, ... full story

Ads Effective Even in the Midst of Multitasking, Studies Find

Jan. 26, 2015 — Those video ads playing in the corner of your computer screen, in the midst of multitasking, may have more impact than you realize. They may be as effective as ads you're really watching, says one ... full story

Students Master Math Through Movement Using Kinect for Windows

Jan. 26, 2015 — Significant gains in the understanding of angles and angle measurements by elementary school students are seen in those who performed body-based tasks while interacting with a Kinect for Windows ... full story

Largest-Ever Autism Genome Study Finds Most Siblings Have Different Autism-Risk Genes

Jan. 26, 2015 — The largest-ever autism genome study reveals that the disorder's genetic underpinnings are more complex than previously thought: Most siblings who have autism have different autism-linked genes. The ... full story

Is Head CT Overused in Emergency Departments?

Jan. 26, 2015 — Most patients presenting to the emergency department with syncope or dizziness may not benefit from head CT unless they are older, have a focal neurologic deficit, or have a history of recent head ... full story

Brain Study Sheds Light on How Children With Autism Process Social Play

Jan. 26, 2015 — Brain scans confirm significant differences in play behavior, brain activation patterns and stress levels in children with autism spectrum disorder as compared with typically developing children, new ... full story

Cochlear Implant Users Can Hear, Feel the Beat in Music

Jan. 26, 2015 — People who use cochlear implants for profound hearing loss do respond to certain aspects of music, contrary to common beliefs and limited scientific research, says a research team. The scientists say ... full story

Would You Tell Your Manager You Had a Mental Health Problem?

Jan. 26, 2015 — Although nearly four in 10 workers wouldn't tell their manager if they had a mental health problem, half said that if they knew about a coworker's illness, they would desire to help, a new survey ... full story

In Infants, Pain from Vaccinations Shows Up in Brain Activity

Jan. 26, 2015 — Infants show distinct, consistent patterns of brain activity in response to painful vaccinations, new research ... full story

New Mechanism to Aid Cells Under Stress Identified

Jan. 26, 2015 — New details in a cellular mechanism that serves as a defense against stress have been identified by a team of biologists. The findings potentially offer insights into tumor progression and ... full story

Mindfulness-Based Program in Schools Making a Positive Impact, Study Shows

Jan. 26, 2015 — A social and emotional learning program started by Academy Award winning actress Goldie Hawn to help school children improve their learning abilities, be more caring, and less stressed is now backed ... full story

Nocturnal Leg Cramps More Common in Summer

Jan. 26, 2015 — Painful nocturnal leg cramps are about twice as common during summer than in winter, found a new study. Because quinine is commonly prescribed to treat leg cramps, researchers looked at the number of ... full story

Partly Wrong With a Chance of Being Right: Weather Forecast

Jan. 26, 2015 — The inaccuracy of weather forecasts has personal implications for people around the world. New research from Tel Aviv University prioritizes, for the first time, the reasons for forecasting failures ... full story

Mother's Stress Hormone Levels May Affect Fetal Growth and Long Term Health of Child

Jan. 26, 2015 — Increased levels of stress hormones can lead pregnant mice to overeat, but affect growth of the fetus and, potentially, the long term health of the offspring, according to a new ... full story

Stress During Pregnancy Related to Infant Gut Microbiota

Jan. 26, 2015 — Women who experience stress during pregnancy are likely to have babies with a poor mix of intestinal microbiota and with a higher incidence of intestinal problems and allergic reactions. This could ... full story

Rabies Booster Defends Pets With out-of-Date Vaccination Against the Disease

Jan. 26, 2015 — Pets with out-of-date rabies vaccinations are very unlikely to develop the fatal disease if given a rabies booster immediately after exposure to the virus, a new study by veterinary diagnosticians ... full story

For University Students, Walking Beats Sitting

Jan. 26, 2015 — Walking classrooms are better for not only for students' physical health, but classroom engagement, a study shows. What began in a response to a physical activity challenge for the computer science ... full story

Reducing Work-Family Conflicts in the Workplace Helps People to Sleep Better

Jan. 26, 2015 — Workers who participated in an intervention aimed at reducing conflict between work and familial responsibilities slept an hour more each week and reported greater sleep sufficiency than those who ... full story

Morphine Following Common Childhood Surgery May Be Life Threatening

Jan. 26, 2015 — A significant risk for potentially-fatal breathing disruption has been identified when morphine is administered at home after surgery to treat pain in children who undergo tonsillectomy with or ... full story

Lucid Dreams and Metacognition: Awareness of Thinking; Awareness of Dreaming

Jan. 23, 2015 — To control one's dreams and to live 'out there' what is impossible in real life -- a truly tempting idea. Some persons -- so-called lucid dreamers -- can do this. Researchers have discovered that the ... full story

Lucky Charms: When Are Superstitions Used Most?

Jan. 23, 2015 — People are more likely to turn to superstitions to achieve a performance goal versus a learning goal, researchers have ... full story

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Pilotless Aircraft Will Play Critical Roles in Precision Agriculture

Jan. 26, 2015 — A new article outlines many of the potential roles drones can play in university research, and the advantages they can offer in speed, cost and data ... full story

Researchers Use Oxides to Flip Graphene Conductivity

Jan. 26, 2015 — A team of researchers has demonstrated a new way to change the amount of electrons that reside in a given region within a piece of graphene, they have a proof-of-principle in making the fundamental ... full story

Electronic Circuits With Reconfigurable Pathways Closer to Reality

Jan. 26, 2015 — Multitasking circuits capable of reconfiguring themselves in real time and switching functions as the need arises -- this is the promising application stemming from a new discovery. Other potential ... full story

Researchers Identify Materials to Improve Biofuel, Petroleum Processing

Jan. 26, 2015 — Using one of the largest supercomputers in the world, a team of researchers has identified potential materials that could improve the production of ethanol and petroleum products. The discovery could ... full story

Nanoshuttle Wear and Tear: It’s the Mileage, Not the Age

Jan. 26, 2015 — As nanomachine design advances, researchers are moving from wondering if the nanomachine works to how long it will work -- an important question as there are so many potential applications, e.g., for ... full story

Helicopter Could Be 'Scout' for Mars Rovers

Jan. 26, 2015 — Getting around on Mars is tricky business. Each NASA rover has delivered a wealth of information about the history and composition of the Red Planet, but a rover's vision is limited by the view of ... full story

Researchers Make Magnetic Graphene

Jan. 26, 2015 — Graphene has many desirable properties. Magnetism alas is not one of them. Magnetism can be induced in graphene by doping it with magnetic impurities, but this tends to disrupt graphene's electronic ... full story

Visualizing Interacting Electrons in a Molecule

Jan. 26, 2015 — Scientists have succeeded in directly imaging how electrons interact within a single molecule. Understanding this kind of electronic effects in organic molecules is crucial for their use in ... full story

Medical Radiation May Be Reduced to One-Sixth With New Mathematical Discovery

Jan. 26, 2015 — One of this century's most significant mathematical discoveries may reduce the number of measuring points to one-sixth of the present level. This means reduced exposure to radiation and faster ... full story

Converting Olive Mash Into Cash

Jan. 26, 2015 — An experimental system to create heat and power with waste from olive oil processing is up-and-running in Spain. The system shows a promising way forward for reducing environmental damage and ... full story

Swarm of Microprobes to Head for Jupiter

Jan. 26, 2015 — A swarm of tiny probes each with a different sensor could be fired into the clouds of Jupiter and grab data as they fall before burning up in the gas giant planet's atmosphere. The probes would last ... full story

Alamo Impact Crater: New Study Could Double Its Size

Jan. 23, 2015 — Carbonate rock deposits found within the mountain ranges of south-central Nevada, USA, record evidence of a catastrophic impact event known as the Alamo impact. This event occurred roughly 382 ... full story

Yes, Black Holes Exist in Gravitational Theories With Unbounded Speeds of Propagation

Jan. 23, 2015 — Gravitational theories with broken Lorentz invariance have attracted a great deal of interest as they provide a test-bed of LI and offer a mechanism to improve their ultraviolet behavior, so that the ... full story

H.E.S.S. Finds Three Extremely Luminous Gamma-Ray Sources

Jan. 23, 2015 — The High Energy Stereoscopic System telescopes have again demonstrated their excellent capabilities in searching for high-energy gamma ... full story

Rosetta Data Reveals More Surprises About Comet 67P

Jan. 22, 2015 — As the Rosetta spacecraft orbits comet 67P/Churyumov-Gerasimenko, an international team of scientists have discovered that the comet's atmosphere, or coma, is much less homogenous than expected and ... full story

Rosetta Data Give Closest-Ever Look at a Comet

Jan. 22, 2015 — On Nov. 12, 2014, the Rosetta mission's Philae lander touched down on the surface of comet 67P/Churyumov-Gerasimenko. While this achievement gained lots of headlines, it was only the beginning for ... full story

New Research Re-Creates Planet Formation, Super-Earths and Giant Planets in the Laboratory

Jan. 22, 2015 — New laser-driven compression experiments reproduce the conditions deep inside exotic super-Earths and giant planet cores, and the conditions during the violent birth of Earth-like planets, ... full story

Rosetta Comet 'Pouring' More Water Into Space

Jan. 22, 2015 — There has been a significant increase in the amount of water "pouring" out of comet 67P/Churyumov-Gerasimenko, the comet on which the Rosetta mission's Philae lander touched down in November 2014. ... full story

Watching the Birth of a Comet Magnetosphere

Jan. 22, 2015 — Astronomers have shown what happens when a magnetosphere forms round a comet. The RPC-ICA instrument onboard the Rosetta spacecraft has been watching the early stages of how a magnetosphere forms ... full story

Gas Variations Are Suggestive of Seasons on Comet Chury

Jan. 22, 2015 — Comet 67P/Churyumov-Gerasimenko continues to reveal more of its secrets: Researchers have detected considerable variations in the gas escaping from the comet. This could amount to seasonal changes on ... full story

How Cancer Turns Good Cells to the Dark Side

Jan. 26, 2015 — Biophysicists reveal how cancer uses notch-signaling pathways to promote metastasis. Their computer models provide a fresh theoretical framework for scientists who study ways to target cancer ... full story

New Programming Language for Fast Simulations

Jan. 26, 2015 — Programming is a time-consuming process, and it may take many years to develop even a basic simulator. Researchers want to simplify this process. They have created a language similar to the language ... full story

Silver Nanowires Demonstrate Unexpected Self-Healing Mechanism: Potential for Flexible Electronics

Jan. 23, 2015 — Researchers found that silver nanowires can withstand strong cyclic loads, which is a key attribute needed for flexible ... full story

Stalking Versus Cyberstalking: Effects on Victims, Their Responses Compared

Jan. 23, 2015 — The devastating effects of stalking and cyberstalking – harassing or threatening communication via the Internet – are explored in a new study. Key among the findings is that victims of ... full story

Massive Chip Design Savings to Be Realized

Jan. 23, 2015 — IT researchers have developed a programming language making the massive costs associated with designing hardware more manageable. Chip manufacturers have been using the same chip design techniques ... full story

Improvements in Transistors Will Make Flexible Plastic Computers a Reality

Jan. 23, 2015 — Researchers revealed that improvements should soon be expected in the manufacture of transistors that can be used, for example, to make flexible, paper-thin computer ... full story

Falls in Blood Pressure, Cholesterol Have Saved 20,000+ Lives in England

Jan. 22, 2015 — Falls in blood pressure and total cholesterol staved off more than 20,000 deaths from coronary heart disease in England between 2000 and 2007, shows a mathematical analysis. The impact of statins was ... full story

Scientists Set Quantum Speed Limit

Jan. 22, 2015 — The flip side of Heisenberg's uncertainty principle, the energy time uncertainty principle, establishes a speed limit for transitions between two states. Physical chemists have now proved this ... full story

Major Breakthrough in Reading Ancient Scrolls

Jan. 22, 2015 — Revolutionary software is making a breakthrough in reading 2,000-year old Herculaneum scrolls, computer scientists report. After working for more than 10 years on unlocking an ancient piece of ... full story

NASA, Microsoft Collaboration Will Allow Scientists to 'Work on Mars'

Jan. 22, 2015 — NASA and Microsoft have teamed up to develop software called OnSight, a new technology that will enable scientists to work virtually on Mars using wearable technology called Microsoft ... full story

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Relationship Critical for How Cells Ingest Matter

Jan. 26, 2015 — To survive and fulfill their biological functions, cells need to take in material from their environment. In this process, proteins within the cell pull inward on its membrane, forming a pit that ... full story

Researchers Image, Measure Tubulin Transport in Cilia

Jan. 26, 2015 — The mechanism behind tubulin transport and its assembly into cilia have been observed in a new study, including the first video imagery of the process. "Cilia are found throughout the body, so ... full story

How Tropical Parasite Hijacks Cells

Jan. 26, 2015 — Scientists have pinned down how a dangerous tropical parasite which is transmitted by ticks manages to turn healthy cells into cancer-like invasive cells, according to research. Microscopic Theileria ... full story

Frogs Prove Ideal Models for Studying Developmental Timing

Jan. 26, 2015 — Thyroid hormone receptor alpha plays an important role in hind limb development in frogs, scientists have found. With new gene mutation technology, researchers were able to successfully mutate the ... full story

Beetroot Juice Improves Exercise Function of COPD Patients, Study Shows

Jan. 23, 2015 — A study to investigate the effects of acute beetroot juice ingestion on the exercise capacity of COPD patients shows some promise, but a larger clinical trial is needed to verify results, scientists ... full story

Telomere Extension Turns Back Aging Clock in Cultured Human Cells, Study Finds

Jan. 23, 2015 — A new procedure can quickly and efficiently increase the length of human telomeres, the protective caps on the ends of chromosomes that are linked to aging and disease, according to ... full story

Warming Seas Decrease Sea Turtle Basking

Jan. 23, 2015 — Green sea turtles may stop basking on beaches around the world within a century due to rising sea temperatures, a new study suggests. Basking helps the turtles regulate body temperature and may aid ... full story

Bad Reputation of Crows Demystified

Jan. 23, 2015 — In literature, crows and ravens are a bad omen and are associated with witches. Most people believe they steal, eat other birds' eggs and reduce the populations of other birds. But a new study, which ... full story

Hidden Infection Shortens Life in Birds

Jan. 23, 2015 — Mild infections without symptoms of illness can still lead to serious consequences by reducing the lifespan of the infected individuals, research shows. A new study has been carried out on ... full story

The Language of T Lymphocytes Deciphered, the 'Rosetta Stone' of the Immune System

Jan. 23, 2015 — How can our immune system defend us against aggressors so diverse such as viruses, parasites, fungi and tumors? The secret lies in the large number of clones of T and B lymphocytes, each of which ... full story

Climate Models Disagree on Why Temperature 'Wiggles' Occur

Jan. 26, 2015 — Most climate models likely underestimate the degree of decade-to-decade variability occurring in mean surface temperatures as Earth's atmosphere warms. They also provide inconsistent explanations of ... full story

Lead Negatively Impacts Cognitive Functions of Boys More Than Girls

Jan. 23, 2015 — The female hormones estrogen and estradiol may help ward off the effects of lead exposure for young girls, explaining why boys, are shown to suffer more often from the cognitive disabilities linked ... full story

Calculating the Future of Solar-Fuel Refineries

Jan. 23, 2015 — A team of engineers has developed a new tool to help engineers better gauge the overall yield, efficiency and costs associated with scaling solar-fuel production processes up into large-scale ... full story

New Technique Helps Probe Performance of Organic Solar Cell Materials

Jan. 23, 2015 — Researchers have developed a technique for determining the role that a material's structure has on the efficiency of organic solar cells, which are candidates for low-cost, next generation solar ... full story

New Technique for Producing Cheaper Solar Energy Suggested by Research

Jan. 23, 2015 — Pioneering new research could pave the way for solar energy to be converted into household electricity more cheaply than ever before. The global PV market has experienced rapid growth in recent years ... full story

Ocean Could Hold Key to Predicting Recurring Extreme Winters

Jan. 23, 2015 — New reserch may help to predict extreme winters across Europe by identifying the set of environmental conditions that are associated with pairs of severe winters across consecutive years. Pairs of ... full story

Arctic Ice Cap Slides Into the Ocean

Jan. 23, 2015 — Satellite images have revealed that a remote Arctic ice cap has thinned by more than 50 metres since 2012 -- about one sixth of its original thickness -- and that it is now flowing 25 times faster. ... full story

Brazil's Soy Moratorium Still Needed to Preserve Amazon

Jan. 23, 2015 — In a new study to evaluate the Brazilian Soy Moratorium, researchers across the U.S. and Brazil show that the moratorium helped to drastically reduce the amount of deforestation linked to soy ... full story

Scientists Search for New Ways to Deal With U. S. Uranium Ore Processing Legacy

Jan. 22, 2015 — Researchers are trying to find out why uranium persists in groundwater at former uranium ore processing sites despite remediation of contaminated surface materials two decades ago. They think buried ... full story

Surprising Insights Into Effects of Wood Fuel Burning

Jan. 22, 2015 — The harvesting of wood to meet the heating and cooking demands for billions of people worldwide has less of an impact on global forest loss and carbon dioxide (CO2) emissions than previously ... full story

Early Human Ancestors Used Their Hands Like Modern Humans

Jan. 22, 2015 — New research suggests pre-Homo human ancestral species, such as Australopithecus africanus, used human-like hand postures much earlier than was previously thought. The distinctly human ability for ... full story

Doubt Cast on Global Firestorm Generated by Dino-Killing Asteroid

Jan. 22, 2015 — Pioneering new research has debunked the theory that the asteroid that is thought to have led to the extinction of dinosaurs also caused vast global firestorms that ravaged planet Earth. Scientists ... full story

Fossils Survive Volcanic Eruption to Tell Us About the Origin of the Canary Islands

Jan. 22, 2015 — The most recent eruption on the Canary Islands – at El Hierro in 2011 – produced spectacularly enigmatic white “floating rocks” that originated from the layers of oceanic sedimentary rock ... full story

New Data About Evolution of Immune Response Genes in Plants

Jan. 20, 2015 — New clues about the evolution of the immune system in European populations of the plant <em>Arabidopsis thaliana </em> have been uncovered by researchers, as well as the underlying genetic mechanisms ... full story

Paleontologist Names a Carnivorous Reptile That Preceded Dinosaurs

Jan. 20, 2015 — Paleontologist have now named a 9-foot-long carnivorous reptile with steak knife-like teeth and bony plates on the back. Its name is ... full story

Fossil Ankles Indicate Earth's Earliest Primates Lived in Trees

Jan. 19, 2015 — Earth's earliest primates have taken a step up in the world, now that researchers have gotten a good look at their ankles. A new study has found that Purgatorius, a small mammal that lived on a diet ... full story

Preserved Fossil Represents Oldest Record of Parental Care in Group of Prehistoric Reptiles

Jan. 19, 2015 — New research details how a preserved fossil found in China could be the oldest record of post-natal parental care from the Middle Jurassic. The specimen, found by a farmer in China, is of an apparent ... full story

Antiquity of Dairying on Emerald Isle Revealed

Jan. 16, 2015 — The antiquity of dairy farming in Ireland has been outlined by researchers in a new report. The research shows that dairying on the island goes back approximately 6,000 years, revealed through traces ... full story

Human Mode of Responding to HIV Vaccine Is Conserved from Monkeys

Jan. 15, 2015 — The antibody response from an HIV vaccine trial in Thailand was made possible by a genetic trait carried over in humans from an ancient ancestry with monkeys and apes, according to a study. ... full story

Tiny Plant Fossils a Window Into Earth's Landscape Millions of Years Ago

Jan. 15, 2015 — Scientists have discovered a way to determine the tree cover and density of trees, shrubs and bushes in locations over time based on clues in the cells of plant fossils preserved in rocks and soil. ... full story

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How Your Friends Might Help You Avoid Flu

Jan. 26, 2015 — A study of social networks has yielded clues about how best to improve vaccination rates for influenza. Influenza is a global health problem, affecting 3 to 5 million people a year and causing ... full story

Celiac Disease Rate Among Young Children Has Almost Tripled in Past 20 Years

Jan. 22, 2015 — The number of young children diagnosed with celiac disease in the UK has almost tripled over the past 20 years, but kids from poorer families are only half as likely to be diagnosed with the ... full story

Promising Drug Candidate Protects Against Radiation Exposure from Nuclear Fallout

Jan. 22, 2015 — A drug candidate called DBIBB that increases the survival of mice suffering from radiation syndrome, even when treatment started three days after radiation exposure, has been identified by ... full story

Providing Better Data on the Ebola Virus

Jan. 22, 2015 — Researchers are exploring new and innovative methods to solve the complex mystery that is the Ebola virus. A new article studies the use of phylodynamics to discover how the Ebola virus has spread ... full story

Using Less Fish to Test Chemicals Safety

Jan. 22, 2015 — A new strategy has been proposed on how to replace, reduce and refine the use of fish in testing of chemicals’ effect on flora and fauna in water (aquatic toxicity) and chemicals’ uptake and ... full story

How Are Student Loans Affecting the Well-Being of Young Adults?

Jan. 22, 2015 — Young adults who accumulated higher amounts of debt incurred from student loans reported higher levels of depressive symptoms, even with adjustments for parental wealth, childhood socioeconomic ... full story

American Liberals and Conservatives Think as If from Different Cultures

Jan. 22, 2015 — American conservatives think more like Asians, and liberals are the extreme Westerners in thought styles, new research suggests. The so-called "culture war," the lead author said, is an accurate if ... full story

Antibiotics, Bacteria, Resistance Genes Found in Dust from Feedlots

Jan. 22, 2015 — Researchers are beginning to understand how antibiotic-resistant bacteria travel aerially. "Everyone is fairly certain antibiotic resistance comes from extensive use of antibiotics in animal-based ... full story

Soils Could Keep Contaminants in Wastewater from Reaching Groundwater, Streams

Jan. 22, 2015 — With endocrine-disrupting compounds affecting fish populations in rivers as close as Pennsylvania's Susquehanna and as far away as Israel's Jordan, a new research study shows that soils can filter ... full story

Computer Scientists Improve Privacy of Internet Currency Bitcoin

Jan. 22, 2015 — It is traded on special stock exchanges and is accepted not only by various online shops, but also by thousands of brick-and-mortar stores across the globe: the virtual currency Bitcoin. The users ... full story

Heightened Scents: Do Ambient Fragrances Make Consumers Purchase More?

Jan. 21, 2015 — Do consumers make different choices based on the fragrance surrounding them? A new study shows for the first time that the “temperature” of scents in a store atmosphere may have a powerful effect ... full story

New Research Reveals the Power of Hierarchy in High-Pressure Situations

Jan. 20, 2015 — Researchers analyzed more than 30,000 Himalayan climbers and 5,000 expeditions over the past 100 years to assess the impact that hierarchical cultures can have in high-pressure group situations. The ... full story

Hostile Boss? Study Finds Advantages to Giving It Right Back

Jan. 20, 2015 — In a result that surprised researchers, a new study found that employees who had hostile bosses were better off on several measures if they returned the hostility. "Before we did this study, I ... full story

Inventors Choose to Reveal Their Secret Sauce Before Patent Approval

Jan. 15, 2015 — Common wisdom and prior economic research suggest that an inventor filing a patent would want to keep the technical know-how secret as long as possible. But a new study of nearly 2 million patents in ... full story

In the Mood to Trade? Weather May Influence Institutional Investors' Stock Decisions

Jan. 15, 2015 — Weather changes may affect how institutional investors decide on stock plays, according to a new study. Their findings suggest sunny skies put professional investors more in a mood to buy, while ... full story

Huge 3-D Displays Without 3-D Glasses

Jan. 15, 2015 — A new kind of display uses laser beams to send out different pictures into different directions. Each pixel contains lasers and a moving mirror, which directs the laser light. Different pictures can ... full story

Global Warming Reduces Wheat Production Markedly If No Adaptation Takes Place

Jan. 12, 2015 — Future global wheat harvest is likely to be reduced by six per cent per each degree Celsius of local temperature increase if no adaptation takes place. Worldwide this would correspond to 42 million ... full story

Black Women Working Night Shifts Have an Increased Risk of Developing Diabetes

Jan. 11, 2015 — Those who work night shifts are significantly more likely to develop diabetes than those who have never worked night shifts, with more years working the night shift resulting in a higher risk. These ... full story

Fear of Terror May Lead to Job Burnout Over Time

Jan. 8, 2015 — The direct link between terrorism and increased incidence of job burnout over time has been addressed for the first time in a new study. The research examines how the fear of terrorism can lead to ... full story

Quantum Optical Hard Drive Breakthrough

Jan. 8, 2015 — Scientists developing a prototype optical quantum hard drive have improved storage time by a factor of over 100. The team's record storage time of six hours is a major step towards a secure worldwide ... full story

Facebook Not to Blame for Negative Impact on Grades, Professor Says

Jan. 20, 2015 — The more time college students, particularly freshman, spend on Facebook, the more their grades suffer. But a professor says the problem is not Facebook -- it's an issue of ... full story

Practice Really Does Make Perfect

Jan. 8, 2015 — New research into the way in which we learn new skills finds that a single skill can be learned faster if its follow-through motion is consistent, but multiple skills can be learned simultaneously if ... full story

All in a Good Night's Sleep: How Quality of Sleep Impacts Academic Performance in Children

Jan. 8, 2015 — A good night's sleep is linked to better performance by schoolchildren in math and languages -- subjects that are powerful predictors of later learning and academic success, according to a study. The ... full story

Marine Litter Education Boosts Children's Understanding, Actions

Jan. 6, 2015 — Children could play an important role in solutions to reduce marine litter with some already helping to educate parents and peers about the scale of the issue, experts ... full story

Human Speech's Surprising Influence on Young Infants

Jan. 5, 2015 — America's preoccupation with the 'word gap' -- the idea that parents in impoverished homes speak less to their children, which, in turn, predicts outcomes like school achievement and income later in ... full story

Fast-Food Consumption Linked to Lower Test Score Gains in 8th Graders

Dec. 22, 2014 — The amount of fast food children eat may be linked to how well they do in school, a new America-wide study suggests. This study can't say why fast-food consumption is linked to lower grades, but ... full story

Early Caregiving Experiences Have Long-Term Effects on Social Relationships, Achievement

Dec. 18, 2014 — A new study has found that sensitive caregiving in the first three years of life predicts an individual's social competence and academic achievement, not only during childhood and adolescence, but ... full story

Why Are UK Teenagers Skipping School?

Dec. 18, 2014 — Analysis of the results of a large-scale survey reveals the extent of truancy in English secondary schools and sheds light on the mental health of the country’s ... full story

Personality Outsmarts Intelligence at School: Conscientiousness and Openness Key to Learning

Dec. 17, 2014 — Recent research has found that personality is more important than intelligence when it comes to success in education and this needs to take this into account when guiding students and teachers. ... full story

Current Practices in Reporting on Behavioural Genetics Can Mislead the Public

Dec. 12, 2014 — “Media reports about behavioural genetics unintentionally induce unfounded beliefs, therefore going against the educational purpose of scientific reporting,” writes a researcher following his ... full story

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