Today's Science News

Sunday, January 25, 2015

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from universities, journals, and other organizations

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

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

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

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

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 ... 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

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

Revolutionary Device Found to Lower Blood Pressure

Jan. 22, 2015 — A revolutionary device has been shown to significantly lower blood pressure among patients with uncontrolled high blood pressure, compared to those treated with usual drug measures. "High blood ... full story

Scientists 'Bend' Elastic Waves With New Metamaterials That Could Have Commercial Applications

Jan. 22, 2015 — Sound waves passing through the air, objects that break a body of water and cause ripples, or shockwaves from earthquakes all are considered 'elastic' waves. These waves travel at the ... full story

Found: 'Fight or Flight' Response Control Center for the Heart

Jan. 20, 2015 — An animal study has uncovered what controls the ability of healthy hearts to speed up in response to circumstances ranging from fear to a jog around the block. The key to the heart's "fight ... full story

Treatment Restores Sociability in Autism Mouse Model

Jan. 22, 2015 — Researchers have treated mice that mimic human autism with a neuropeptide called oxytocin, and have found that it restores normal social behavior. In addition, the findings suggest that giving ... 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 2015-01-25 at 9:48 pm EST

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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

Improving Antibiotics to Treat Staph Infections

Jan. 23, 2015 — New information about how antibiotics like azithromycin stop staph infections has been uncovered, including why staph sometimes becomes resistant to drugs. Staphylococcus aureus (familiar to many as ... full story

Efficient Methylating Enzyme Identified for Cancer Development

Jan. 23, 2015 — A recent study may help begin to explain how cancer develops though the abnormal turning on and off of genes. Researchers have discovered that the increase of methyl tags in cancer cells is due to ... full story

Live Broadcast from Inside the Nerve Cell

Jan. 23, 2015 — Neurodegenerative diseases like Alzheimer's or Parkinson's are caused by defect and aggregated proteins accumulating in brain nerve cells that are thereby paralyzed or even killed. In healthy cells ... full story

New Breast Exam Nearly Quadruples Detection of Invasive Breast Cancers in Women With Dense Breast Tissue

Jan. 23, 2015 — Molecular Breast Imaging (MBI) is a supplemental imaging technology designed to find tumors that would otherwise be obscured by surrounding dense breast tissue on a mammogram. The new breast imaging ... full story

What to Do in a Flu Epidemic? Stay at Home and Watch TV

Jan. 23, 2015 — Non-pharmaceutical interventions (NPIs) include actions individuals can take to reduce disease spread, such as hand washing and minimizing contacts with sick people. These can play a key role in ... full story

New Brain Pathway Offers Hope for Treating Hypogylcemia

Jan. 23, 2015 — A novel pathway buried deep within a region of the brain produces a brain hormone that acts as a crucial sensor of blood glucose levels. Learning how the hormone helps orchestrate responses around ... full story

Effect of Thyroid Disorders on Reproductive Health

Jan. 23, 2015 — Thyroid disease can have significant effects on a woman's reproductive health and screening for women presenting with fertility problems and recurrent early pregnancy loss should be considered, ... 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

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

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

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

Mothers Don't Speak So Clearly to Their Babies

Jan. 23, 2015 — People have a distinctive way of talking to babies and small children: We speak more slowly, using a sing-song voice, and tend to use cutesy words like "tummy". While we might be inclined to think ... full story

The Brain's Electrical Alphabet: Timing, Rate Underlie Neural Information, Study Shows

Jan. 23, 2015 — The brain’s alphabet is a mix of rate and precise timing of electrical pulses, researchers have revealed. The study shows that the nervous system features a “multichannel” language that makes ... full story

Scientists Map Brains of the Blind to Solve Mysteries of Human Brain Specialization

Jan. 23, 2015 — Studying the brain activity of blind people, scientists are challenging the standard view of how the human brain specializes to perform different kinds of tasks, and shedding new light on how our ... full story

New 'Systems Genetics' Study Identifies Possible Target for Epilepsy Treatment

Jan. 23, 2015 — A single gene that coordinates a network of about 400 genes involved in epilepsy could be a target for new treatments, according to research. Epilepsy is a common and serious disease that affects ... full story

Genome-Wide Search Reveals New Genes Involved in Long-Term Memory

Jan. 22, 2015 — Genes involved in long-term memory in the worm have been discovered as part of research aimed at finding ways to retain cognitive abilities during aging. The study identified more than 750 genes ... full story

Anti-Inflammatory Protein May Trigger Plaque in Alzheimer's Disease

Jan. 22, 2015 — Inflammation has long been studied in Alzheimer's, but in a counter-intuitive finding reported by researchers has uncovered the mechanism by which anti-inflammatory processes may trigger the ... full story

Prescription Painkillers, Widely Used by Childbearing Age Women, Double Birth Defects Risk

Jan. 22, 2015 — Many women are unaware that prescription opioid-based medications such as codeine, oxycodone, hydrocodone, or morphine, used to treat severe pain, may increase the risk for serious birth defects of ... full story

Effect of BPA and Estradiol on Sperm Development Seen by Researchers

Jan. 22, 2015 — A direct link between the plastics component bisphenol A, or BPA, and disrupted sperm production has been discovered by researchers. They say the chemical disrupts the delicate DNA interactions ... full story

Infants Can Learn to Communicate from Videos, Study Shows

Jan. 22, 2015 — Children under two years old can learn certain communication skills from a video, such as how to use signs in sign language, and perform similarly in tests when compared to babies taught by their ... full story

Strong Association Between Menopausal Symptoms, Bone Health

Jan. 22, 2015 — Women who experience moderate to severe hot flashes and night sweats during menopause tend to have lower bone mineral density and higher rates of hip fracture than peers with no menopausal symptoms, ... full story

New Research Could Give Alternatives for Children's Eye Exams

Jan. 22, 2015 — It’s very difficult to understand the retinal structure of children because they are known to be uncooperative during eye examinations designed for adults. New explores a new non-invasive ... full story

Blame It on Your Brain: Salt and Hypertension

Jan. 22, 2015 — Excessive salt intake "reprograms" the brain, interfering with a natural safety mechanism that normally prevents the body's arterial blood pressure from rising, researchers have ... full story

Empowering Family Caregivers Assures Successful Acute Care Transitions

Jan. 22, 2015 — When hospitals adopt proactive, enhanced care transition interventions to assure that family caregivers are well prepared when patients are discharged, the incidence of adverse outcomes due to ... 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

Computers: Visually Pleasing Graphics Enhance User Performance

Jan. 22, 2015 — An eye-catching and appealing graphic on a mobile phone or website helps people perform tasks quicker and more easily as the job gets more demanding. Investing a little bit extra to design ... full story

Trying to Project an Image of Success? It Could Make You Dwell on Your Failures

Jan. 22, 2015 — Life is full of experiences that challenge how we see ourselves and we often compensate by buying products that reinforce our ideal self-image. A new study shows that this type of retail therapy ... full story

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The Latest Fashion: Graphene Edges Can Be Tailor-Made

Jan. 23, 2015 — Theorists show it may be possible to tune graphene edges by varying heat and force as graphene is fractured. Edge configurations affect graphene's electronic and mechanical properties, which are ... 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

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

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

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

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

Exotic, Gigantic Molecules Fit Inside Each Other Like Russian Nesting Dolls

Jan. 22, 2015 — Scientists have experimentally observed for the first time a phenomenon in ultracold, three-atom molecules predicted by Russian theoretical physicist Vitaly Efimov in ... 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

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

Black Hole on a Diet Creates a 'Changing Look' Quasar

Jan. 22, 2015 — Astronomers have identified the first 'changing look' quasar, a gleaming object in deep space that appears to have its own dimmer switch. The discovery may offer a glimpse into the life story of the ... full story

Telescope to Seek Dust Where Other Earths May Lie

Jan. 22, 2015 — The NASA-funded Large Binocular Telescope Interferometer, or LBTI, has completed its first study of dust in the "habitable zone" around a star, opening a new door to finding planets like Earth. Dust ... full story

Gullies on Protoplanet Vesta Suggest Past Water-Mobilized Flows

Jan. 22, 2015 — Protoplanet Vesta, visited by NASA's Dawn spacecraft from 2011 to 2013, was once thought to be completely dry, incapable of retaining water because of the low temperatures and pressures at its ... 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

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

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

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

Self-Powered Intelligent Keyboard Could Provide a New Layer of Security

Jan. 22, 2015 — By analyzing such parameters as the force applied by key presses and the time interval between them, a new self-powered non-mechanical intelligent keyboard could provide a stronger layer of security ... full story

Experts Call for a Rethink on Guidelines About Children's Screen Time

Jan. 21, 2015 — The amount of time children spend using screens, such as televisions and computers, on a daily basis exceeds recommended guidelines, according to research. These guidelines were drawn up at a time ... full story

Video-Based Therapy Might Benefit Babies at Risk of Autism

Jan. 21, 2015 — Video-based therapy for families with babies at risk of autism improves infants' engagement, attention and social behavior, and might reduce the likelihood of such children developing autism, ... full story

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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

Sexually-Transmitted Diseases: Do Multiple Partners Mean More Immunity?

Jan. 23, 2015 — It has been assumed that the increased transmission of sexually-transmitted diseases in the case of mating promiscuity is influential in shaping the immune system of mammals. Results of a new study ... full story

Sisters Act Together: Cichlid Sisters Swim Together in Order to Reach the Goal

Jan. 23, 2015 — The manner and routes of dispersal vary with the species and the ecological conditions. Many fish form shoals to avoid predation. Shoaling with familiar conspecifics affords the fish an even greater ... 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

Mammalian Heart Regenerative Capacity Depends on Severity of Injury

Jan. 22, 2015 — Neonatal mouse hearts have varying regenerative capacities depending upon the severity of injury, researchers have demonstrated. Approaches to extend this regenerative capacity in a mammalian model, ... 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

When It Comes to Variations in Crop Yield, Climate Has a Big Say

Jan. 22, 2015 — What impact will future climate change have on food supply? That depends in part on the extent to which variations in crop yield are attributable to variations in climate. A new report has found that ... full story

Immune System Promotes Digestive Health by Fostering Community of 'Good' Bacteria

Jan. 22, 2015 — 1.4 million Americans suffer from uncomfortable abdominal cramping and diarrhea that come with inflammatory bowel disease. The condition is associated with an imbalance among the thousands of species ... full story

These Jellyfish Aren't Just Drifters; Many Swim Strongly

Jan. 22, 2015 — Jellyfish might look like mere drifters, but some of them have a remarkable ability to detect the direction of ocean currents and to swim strongly against them, according to new evidence in ... 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

As Trees Are Cut and Climates Shift, Can the Animals of Borneo Be Saved?

Jan. 22, 2015 — As the third-largest island in the world and the largest island in Asia, Borneo stands out as a hotspot for biodiversity, and there is no question that Borneo's many rare species are in trouble. And ... 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

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

Study Projects Unprecedented Loss of Corals in Great Barrier Reef Due to Warming

Jan. 22, 2015 — The coverage of living corals on Australia's Great Barrier Reef could decline to less than 10 percent if ocean warming continues, according to a new study that explores the short- and long-term ... full story

Small Drop in Sea Level Had Big Impact on Southern Great Barrier Reef

Jan. 22, 2015 — A small drop in sea level 2000 years ago on the southern Greater Barrier Reef led to a dramatic slowdown in the coral reef's growth, research shows. The researchers analyzed samples from One Tree ... full story

Snack Attack: Bears Munch on Ants and Help Plants Grow

Jan. 22, 2015 — Tiny ants may seem like an odd food source for black bears, but the protein-packed bugs are a major part of some bears' diets and a crucial part of the food web that not only affects other bugs, but ... 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

New Planetary Dashboard Shows 'Great Acceleration' in Human Activity Since 1950

Jan. 15, 2015 — Human activity, predominantly the global economic system, is now the prime driver of change in the Earth System (the sum of our planet's interacting physical, chemical, biological and human ... full story

Out of the Pouch: Ancient DNA Extracted from Extinct Giant Kangaroos

Jan. 15, 2015 — Scientists have finally managed to extract DNA from Australia's extinct giant kangaroos, the mysterious marsupial megafauna that roamed Australia over 40,000 years ago. They have extracted DNA ... full story

Did the Anthropocene Begin With the Nuclear Age?

Jan. 15, 2015 — Humans are having such a marked impact on the Earth that they are changing its geology, creating new and distinctive strata that will persist far into the future. This is the idea behind the ... full story

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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

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

Antibiotic Use by Travelers May Add to Global Spread of Superbugs

Jan. 22, 2015 — Taking antibiotics for diarrhea may put travelers visiting developing parts of the world at higher risk for contracting superbugs and spreading these daunting drug-resistant bacteria to their home ... full story

More Realistic Physical Activity Targets Needed, Say Experts

Jan. 21, 2015 — Physical activity guidelines should focus on getting inactive people to do a little activity rather than strive for the entire population to meet the current target of 150 minutes of moderate ... full story

Deaths of Extremely Premature Infants Decrease, Fewer Dying of Breathing Complications

Jan. 21, 2015 — In a large, national study of extremely premature infants, researchers found that death rates decreased from 2000 to 2011. An analysis of specific causes found that deaths attributed to immaturity or ... full story

Biological Safety Lock for Genetically Modified Organisms

Jan. 21, 2015 — Scientists have genetically recoded a strain of E. coli to depend on a synthetic amino acid so the bacteria can't survive outside the lab. The E. coli were also made resistant to two ... full story

Animal-to-Human Transmission of Ebola Virus Appears Tied to Increasing Human Population Density in Forested Regions

Jan. 21, 2015 — An apparent link between human population density and vegetation cover in Africa, and the spread of the Ebola virus from animal hosts to humans, has been identified by researchers. "These findings ... full story

Study Maps Travel of H7 Influenza Genes

Jan. 21, 2015 — In a new bioinformatics analysis of the H7N9 influenza virus that has recently infected humans in China, researchers trace the separate phylogenetic histories of the virus's genes, giving a ... full story

Twitter Can Predict Rates of Coronary Heart Disease, According to Research

Jan. 21, 2015 — Twitter has broken news stories, launched and ended careers, started social movements and toppled governments, all by being an easy, direct and immediate way for people to share what's on their ... 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

Burnt-out Workers More Likely to Make Irrational Decisions

Jan. 7, 2015 — Employees who are suffering from burnout are more likely to make spontaneous and irrational decisions. Analysis showed that participants who showed signs of burnout displayed more spontaneous and ... 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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