Today's Science News

Wednesday, October 1, 2014

Featured Research

from universities, journals, and other organizations

NASA's Swift Mission Observes Mega Flares from Nearby Red Dwarf Star

Sep. 30, 2014 — On April 23, NASA's Swift satellite detected the strongest, hottest, and longest-lasting sequence of stellar flares ever seen from a nearby red dwarf star. The initial blast from this ... full story

Satellite Measurements Reveal Gravity Dip from Ice Loss in West Antarctica

Sep. 30, 2014 — Although not designed to map changes in Earth's gravity over time, ESA's GOCE satellite has shown that the ice lost from West Antarctica over the last few years has left its signature. More ... full story

Astronomers Find 'Cousin' Planets Around Twin Stars

Sep. 30, 2014 — Astronomers have found two new Jupiter-sized extra-solar planets, each orbiting one star of a binary-star system.  Most known extra-solar planets orbit stars that are alone, like our Sun. Yet many ... full story

Study Shows How Chimpanzees Share Skills: Evidence of New Behavior Being Transmitted Socially

Sep. 30, 2014 — Biologists have found evidence of new behavior being adopted and transmitted socially from one individual to another within a wild chimpanzee community. This is the first instance of social learning ... full story

How Dinosaur Arms Turned Into Bird Wings

Sep. 30, 2014 — Although we now appreciate that birds evolved from a branch of the dinosaur family tree, a crucial adaptation for flight has continued to puzzle evolutionary biologists. During the millions of years ... full story

Aral Sea Loses Its Eastern Lobe -- First Time in Modern History, NASA's Terra Satellite Shows

Sep. 30, 2014 — Summer 2014 marked another milestone for the Aral Sea, the once-extensive lake in Central Asia that has been shrinking markedly since the 1960s. For the first time in modern history, the eastern ... full story

CDC and Texas Health Department Confirm First Ebola Case Diagnosed in the U.S.

Sep. 30, 2014 — The Centers for Disease Control and Prevention (CDC) confirmed today, through laboratory tests, the first case of Ebola to be diagnosed in the United States in a person who had traveled to Dallas, ... full story

Greenland Ice Sheet More Vulnerable to Climate Change Than Previously Thought

Sep. 29, 2014 — A new study finds that the Greenland Ice Sheet, which covers 1.7 million square kilometers and contains enough ice to raise sea levels worldwide by seven meters, is less stable and more sensitive to ... full story

Quest Continues for Peanut That Won't Cause Allergic Reaction

Sep. 29, 2014 — A food scientist has removed 80 percent of allergens from whole peanuts, moving him a step closer to eliminating 99.9 percent of peanut allergens. For the study, researchers used a pulsating light ... full story

Causes of California Drought Linked to Climate Change

Sep. 29, 2014 — The extreme atmospheric conditions associated with California's crippling drought are far more likely to occur under today's global warming conditions than in the climate that existed ... full story

Glaciers in the Grand Canyon of Mars?

Sep. 29, 2014 — For decades, planetary geologists have speculated that glaciers might once have crept through Valles Marineris, the 2000-mile-long chasm that constitutes the Grand Canyon of Mars. Using satellite ... full story

Sleep Twitches Light Up the Brain

Sep. 29, 2014 — A new study finds twitches during rapid eye movement sleep comprise a different class of movement, which researchers say is further evidence that sleep twitches activate circuits throughout the ... full story

Plants Prepackage Beneficial Microbes in Their Seeds

Sep. 29, 2014 — Plants have a symbiotic relationship with certain bacteria. These 'commensal' bacteria help the plants extract nutrients and defend against invaders -- an important step in preventing ... full story

Use of Broad-Spectrum Antibiotics Before Age 2 Associated With Obesity Risk

Sep. 29, 2014 — The use of broad-spectrum antibiotics by children before the age of 24 months was associated with increased risk of obesity in early childhood, a study concludes. The authors used electronic health ... full story

Single-Neuron 'Hub' Orchestrates Activity of an Entire Brain Circuit

Sep. 29, 2014 — New research makes a major contribution to efforts to navigate the brain, offering a precise model of the organization of developing neuronal circuits. If researchers can further identify the ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

CDC Confirms First Case of Ebola in US

CDC Confirms First Case of Ebola in US

AP (Sep. 30, 2014) — The CDC has confirmed the first diagnosed case of Ebola in the United States. The patient is being treated at a Dallas hospital after traveling earlier this month from Liberia. (Sept. 30) Video provided by AP
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Dolphins Might Use Earth's Magnetic Field As A GPS

Dolphins Might Use Earth's Magnetic Field As A GPS

Newsy (Sep. 30, 2014) — A study released Monday suggests dolphins might be able to sense the Earth's magnetic field and possibly use it as a means of navigation. Video provided by Newsy
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This 'Invisibility Cloak' Is Simpler Than Most

This 'Invisibility Cloak' Is Simpler Than Most

Newsy (Sep. 28, 2014) — Researchers from the University of Rochester have created a type of invisibility cloak with simple focal lenses. Video provided by Newsy
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The Water You Drink Might Be Older Than The Sun

The Water You Drink Might Be Older Than The Sun

Newsy (Sep. 27, 2014) — Researchers at the University of Michigan simulated the birth of planets and our sun to determine whether water in the solar system predates the sun. Video provided by Newsy
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last updated on 2014-10-01 at 12:28 am EDT

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Study Uncovers Important Process for Immune System Development

Sep. 30, 2014 — Immunologists reveals new information about how our immune system functions, shedding light on a vital process that determines how the body's ability to fight infection ... full story

Disease Decoded: Gene Mutation May Lead to Development of New Cancer Drugs

Sep. 30, 2014 — The discovery of a gene mutation that causes a rare premature aging disease could lead to the development of drugs that block the rapid, unstoppable cell division that makes cancer so deadly, ... full story

Memory Loss Associated With Alzheimer's Reversed: Small Trial Succeeds Using Systems Approach to Memory Disorders

Sep. 30, 2014 — In the first, small study of a novel, personalized and comprehensive program to reverse memory loss, nine of 10 participants displayed subjective or objective improvement in their memories beginning ... full story

Depression Increasing Across the United States

Sep. 30, 2014 — Americans are more depressed now than they have been in decades, a recent study shows. Analyzing data from 6.9 million adolescents and adults from all over the country, researchers found that ... full story

High-Speed Drug Screen Developed

Sep. 30, 2014 — Engineers have devised a way to rapidly test hundreds of different drug-delivery vehicles in living animals, making it easier to discover promising new ways to deliver a class of drugs called ... full story

How to Predict Who Will Suffer the Most from Stress

Sep. 30, 2014 — New research has found a way to identify those most susceptible to stress. That's a huge help for health-care professionals working to stop stress before it gets out of control. "By pinpointing those ... full story

Medications Are Main Culprit of Allergic Deaths in U.S., Comprehensive Study Finds

Sep. 30, 2014 — Medications are the leading cause of allergy-related sudden deaths in the U.S., according to an analysis of death certificates from 1999 to 2010. The study also found that the risk of fatal ... full story

A Heartbeat Away? Hybrid 'Patch' Could Replace Transplants

Sep. 30, 2014 — Because heart cells cannot multiply and cardiac muscles contain few stem cells, heart tissue is unable to repair itself after a heart attack. Now researchers are literally setting a new gold standard ... full story

Potential Biomarker to Detect SCID (Severe Combined Immunodeficiency)

Sep. 30, 2014 — A genetic disease called SCID -- short for severe combined immunodeficiency -- forces patients to breathe filtered air and avoid human contact because their bodies cannot fight germs. Now, using a ... full story

Synthetic Sperm Protein Raises the Chance for Successful in Vitro Fertilization

Sep. 30, 2014 — Having trouble getting pregnant -- even with in vitro fertilization? Here's some hope: A new research report explains how scientists developed a synthetic version of a sperm-originated protein which ... full story

Improving Babies' Language Skills Before They're Even Old Enough to Speak

Sep. 30, 2014 — In the first months of life, when babies begin to distinguish sounds that make up language from all the other sounds in the world, they can be trained to more effectively recognize which sounds ... full story

Adolescent Exposure to THC May Cause Immune Systems to Go Up in Smoke

Sep. 30, 2014 — When it comes to using marijuana, new research involving mice suggests that just because you can do it, doesn't mean that you should. That's because a team of scientists have found that using ... full story

Bacteria May Have Ability to Reduce Impact of Diazepam on UK River Environments

Sep. 30, 2014 — A reaction pathway that could reduce the potentially harmful impact of diazepam and similar chemicals on the UK's freshwater environment has been discovered by researchers. Diazepam -- used to treat ... full story

Alcohol Makes Smiles More 'Contagious,' but Only for Men

Sep. 30, 2014 — Consuming an alcoholic beverage may make men more responsive to the smiles of others in their social group, according to new research. The findings suggest that, for men, alcohol increases ... full story

New Learning Mechanism for Individual Nerve Cells

Sep. 30, 2014 — Learning is based on the strengthening or weakening of the contacts between the nerve cells in the brain -- this has been the traditional understanding. However, this has been challenged by new ... full story

First Evidence That Reptiles Can Learn Through Imitation

Sep. 30, 2014 — New research has for the first time provided evidence that reptiles could be capable of social learning through imitation. The ability to acquire new skills through the ‘true imitation’ of ... full story

Development Models Put to the Test: Low Birth Weight Children Are Particularly Vulnerable to Environmental Influences

Sep. 30, 2014 — Low birth weight children are more vulnerable to environmental influences than infants born with normal weight. When brought up with a great deal of sensitivity, they will be able to catch up in ... full story

Selectively Rewiring Brain's Circuitry to Treat Depression

Sep. 30, 2014 — On Star Trek, it is easy to take for granted the incredible ability of futuristic doctors to wave small devices over the heads of both humans and aliens, diagnose their problems through evaluating ... full story

Brief Depression Questionnaires Could Lead to Unnecessary Antidepressant Prescriptions

Sep. 29, 2014 — Short questionnaires used to identify patients at risk for depression are linked with antidepressant medications being prescribed when they may not be needed, according to new research. Known as ... full story

Transplant Drug Could Boost Power of Brain Tumor Treatments, Study Finds

Sep. 29, 2014 — Every day, organ transplant patients around the world take a drug called rapamycin to keep their immune systems from rejecting their new kidneys and hearts. New research suggests that the same drug ... full story

Safer Than Silver: Antibacterial Material Made With Algae

Sep. 30, 2014 — Consumers concerned about safety of silver ions in antibacterial and odor-free clothing will soon have a proven safe alternative thanks to ultra-thin thread and a substance found naturally in red ... full story

Asthma Symptoms Kicking Up? Check Your Exposure to Air Pollution

Sep. 30, 2014 — A woman who suffers from asthma has been the subject of a recent case study. She, along with her doctor, realized that by changing her bike route to and from work every day, she can cut down on the ... full story

An Apple a Day Could Keep Obesity Away

Sep. 29, 2014 — Nondigestible compounds in apples -- specifically, Granny Smith apples -- may help prevent disorders associated with obesity, scientists have concluded. "We know that, in general, apples are a good ... full story

Childhood Asthma Linked to Lack of Ventilation for Gas Stoves

Sep. 29, 2014 — Parents with children at home should use ventilation when cooking with a gas stove, researchers are recommending, after a new study showed an association between gas kitchen stove ventilation and ... full story

Healthy Fats Help Diseased Heart Muscle Process, Use Fuel

Sep. 29, 2014 — Oleate, a common dietary fat found in olive oil, restored proper metabolism of fuel in an animal model of heart failure, researchers report. Heart failure affects nearly 5 million Americans, and more ... full story

What Makes a Song Sing? Backup Singers

Sep. 29, 2014 — What made Michael Jackson’s “Billie Jean” a No. 1 hit on Billboard’s Hot 100 in 1983, and other songs, like Madonna’s 1999 “Nothing Really Matters,” flounder at 90 or below? New ... full story

Calling 9-1-1 Can Be the Difference Between Life and Death, New Study Reconfirms

Sep. 29, 2014 — It's a simple message: call 911 at the first warning signs of a heart attack. Unfortunately, many still choose to either drive to the hospital, or wait to see if the symptoms disappear. New research ... full story

Feeling Fatigued While Driving? Don't Reach for Your Music

Sep. 29, 2014 — Drinking caffeinated beverages and listening to music are two popular fatigue-fighting measures that drivers take, but very few studies have tested the usefulness of those measures. New research ... full story

After-School Exercise Program Enhances Cognition in 7-, 8 And 9-Year-Olds

Sep. 29, 2014 — A nine-month-long, randomized controlled trial involving 221 prepubescent children found that those who engaged in moderate-to-vigorous physical activity for at least 60 minutes a day after school ... full story

Scanning Babies' Fingerprints Could Save Lives Through Vaccination Tracking

Sep. 26, 2014 — Each year 2.5 million children die worldwide because they do not receive life-saving vaccinations at the appropriate time. Now researchers are developing a fingerprint-based recognition method to ... full story

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Cold Atom Laboratory Chills Atoms to New Lows

Sep. 30, 2014 — NASA's Cold Atom Laboratory (CAL) mission has succeeded in producing a state of matter known as a Bose-Einstein condensate, a key breakthrough for the instrument leading up to its debut on the ... full story

Blades of Grass Inspire Advance in Organic Solar Cells

Sep. 30, 2014 — Using a bio-mimicking analog of one of nature's most efficient light-harvesting structures, blades of grass, an international research team has taken a major step in developing long-sought polymer ... full story

New Dimension for Integrated Circuits: 3-D Nanomagnetic Logic

Sep. 30, 2014 — Electrical engineers have demonstrated a new kind of building block for digital integrated circuits. Their experiments show that future computer chips could be based on three-dimensional arrangements ... full story

Novel Method for Making Electrical Cellulose Fibers

Sep. 30, 2014 — By using liquid salts during formation instead of harsh chemicals, fibers that conduct electricity can be strengthened, according to new ... full story

Revisiting Stokes Drift: Waves of the Future

Sep. 30, 2014 — The 19th-century 'Stokes drift' concept that a tiny sphere on a small wave would trace a spiral, not a closed circle, was assumed to be unlikely to occur in nature. But using 21st-century ... full story

How to Make a 'Perfect' Solar Absorber

Sep. 30, 2014 — Researchers have developed a solar cell that can tap the sun's full radiation spectrum. The material is a two-dimensional metallic dielectric photonic crystal, and has the additional benefits of ... full story

New Material Steals Oxygen from the Air: One Spoonful Absorbs All the Oxygen in a Room

Sep. 30, 2014 — Researchers have synthesized crystalline materials that can bind and store oxygen in high concentrations. Just one spoon of the substance is enough to absorb all the oxygen in a room. The stored ... full story

Entanglement Made Tangible

Sep. 30, 2014 — Scientists have designed a first-ever experiment for demonstrating quantum entanglement in the macroscopic realm. Unlike other such proposals, the experiment is relatively easy to set up and run with ... full story

Fuel Cell-Powered Mobile Lights Tested, Proven, Ready for Commercial Use

Sep. 30, 2014 — Mobile lighting systems powered by hydrogen fuel cells are cleaner, quieter and now have a proven track record in applications such as nighttime construction, sports and entertainment events and ... full story

Unexpected New Mechanism Reveals How Molecules Become Trapped in Ice

Sep. 30, 2014 — Expanding our knowledge of the way molecules interact with ice surfaces is a key goal not only for climate change but also a much wider range of other environmental, scientific and defense-related ... full story

Space Debris Expert Warns of Increasing Small Satellite Collision Risk

Sep. 30, 2014 — The increasing number of small 'CubeSat' satellites being launched combined with a relaxed attitude to debris mitigation could lead to hazards for all space users unless preventative measures are ... full story

Nitrogen Fingerprint in Biomolecules Could Be from Early Sun

Sep. 29, 2014 — The pattern of nitrogen in biomolecules like proteins, which differ greatly from that seen in other parts of the solar system, could have been generated by the interactions of light from the early ... full story

Cassini Watches Mysterious Feature Evolve in Hydrocarbon Sea on Saturn's Moon Titan

Sep. 29, 2014 — NASA's Cassini spacecraft is monitoring the evolution of a mysterious feature in a large hydrocarbon sea on Saturn's moon Titan. The feature covers an area of about 100 square miles (260 square ... full story

Simulations Reveal an Unusual Death for Ancient Stars

Sep. 29, 2014 — Certain primordial stars -- between 55,000 and 56,000 times the mass of our sun, or solar masses -- may have died unusually. In death, these objects -- among the universe's first generation of stars ... full story

New Molecule Found in Space Connotes Life Origins

Sep. 26, 2014 — Hunting from a distance of 27,000 light years, astronomers have discovered an unusual carbon-based molecule contained within a giant gas cloud in interstellar space. The discovery suggests that the ... full story

NASA Rover Drill Pulls First Taste from Mars Mountain

Sep. 26, 2014 — NASA's Curiosity Mars rover has collected its first taste of the layered mountain whose scientific allure drew the mission to choose this part of Mars as a landing ... full story

Turning the Moon Into a Cosmic Ray Detector

Sep. 26, 2014 — Scientists are to turn the Moon into a giant particle detector to help understand the origin of Ultra-High-Energy (UHE) cosmic rays -- the most energetic particles in the Universe. The origin of UHE ... full story

Earth's Water Is Older Than the Sun: Likely Originated as Ices That Formed in Interstellar Space

Sep. 25, 2014 — Water was crucial to the rise of life on Earth and is also important to evaluating the possibility of life on other planets. Identifying the original source of Earth's water is key to understanding ... full story

A Galaxy of Deception: Hubble Snaps What Looks Like a Young Galaxy in the Local Universe

Sep. 25, 2014 — Astronomers usually have to peer very far into the distance to see back in time, and view the Universe as it was when it was young. This new image of galaxy DDO 68, otherwise known as UGC 5340, was ... full story

Most Metal-Poor Star Hints at Universe's First Supernovae

Sep. 24, 2014 — In a new study, researchers point out that the elemental abundance of the most iron-poor star can be explained by elements ejected from supernova explosions of the universe's first stars. This ... full story

Adding Uncertainty to Improve Mathematical Models

Sep. 29, 2014 — Mathematicians have introduced a new element of uncertainty into an equation used to describe the behavior of fluid flows. While being as certain as possible is generally the stock and trade of ... full story

Software for Automated Sorting of Genomes of Individual Microbial Species Through Metagenomes

Sep. 29, 2014 — Microbes -- the single-celled organisms that dominate every ecosystem on Earth -- have an amazing ability to feed on plant biomass and convert it into other chemical products. Tapping into this ... full story

How Things Coil: Simulation Technology Designed for Hollywood to Predict Understanding Fundamental Engineering Problems

Sep. 29, 2014 — Researchers have combined computer simulations designed for Hollywood with precision model experiments to examine the mechanics of coiling. Their study, which bridges engineering mechanics and ... full story

Mimicking Brain Cells to Boost Computer Memory Power

Sep. 29, 2014 — Researchers have brought ultra-fast, nano-scale data storage within striking reach, using technology that mimics the human brain. The researchers have built a novel nano-structure that offers a new ... full story

Predicting Electric Power Outages Before They Happen

Sep. 26, 2014 — Power outages are often the result of automated protection measures that ensure power surges or downed power lines don’t injure people, damage trees, damage appliances or impact other parts of the ... full story

Football-Size Robot Can Skim Discreetly Along a Ship's Hull to Seek Hollow Compartments Concealing Contraband

Sep. 26, 2014 — Football-size robot can skim discreetly along a ship's hull to seek hollow compartments concealing ... full story

New Technology May Lead to Prolonged Power in Mobile Devices

Sep. 26, 2014 — Researchers have created technology that could be the first step toward wearable computers with self-contained power sources or, more immediately, a smartphone that doesn’t die after a few hours of ... full story

Computational Model: Ebola Could Infect More Than 1.4 Million People by End of January 2015

Sep. 26, 2014 — The Ebola epidemic could claim hundreds of thousands of lives and infect more than 1.4 million people by the end of January, according to a statistical forecast released this week by the U.S. Centers ... full story

Graphene Looks Promising as a Flexible, Low-Cost Touchscreen Solution

Sep. 26, 2014 — New research suggests that graphene-treated nanowires could soon replace current touchscreen technology, significantly reducing production costs and allowing for more affordable, flexible ... full story

Power Outage? Robots to the Rescue

Sep. 25, 2014 — Big disasters almost always result in big power failures. Not only do they take down the TV and fridge, they also wreak havoc with key infrastructure like cell towers. That can delay search and ... full story

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Pollution Linked to Lethal Sea Turtle Tumors

Sep. 30, 2014 — Polluted urban and farm runoff in Hawaii has been linked to lethal tumors in endangered sea turtles. A new study finds that excess nitrogen in the runoff accumulates in algae that the turtles eat and ... full story

How to Beat Monk Parakeets at Their Own Game: Scientists Prevent Nests on Utility Poles

Sep. 30, 2014 — Researchers have announced they have found a way to prevent Monk Parakeets from building huge nests on utility poles by blocking access to the electric lines that are the gateway to their nesting ... full story

High Metabolic Rates and Low Temperatures Were Associated With High Risk-Taking Behavior in Birds

Sep. 30, 2014 — A long-term study on different populations of great tits has shown that risk-taking behavior correlates with both metabolic rate and ambient temperature. High metabolic rates and low temperatures ... full story

Breakthrough Study Discovers Six Changing Faces of 'Global Killer' Bacteria

Sep. 30, 2014 — Every ten seconds a human being dies from pneumococcus infection, making it the leading cause of serious illness across the globe. New research discovers six unique states of pneumococcus, which may ... full story

Florida's Climate Boosts Soil-Carbon Storage, Cuts Greenhouse Emissions

Sep. 30, 2014 — Sequestration helps mitigate carbon-based gases from getting into the atmosphere. A new study shows Florida's warm, wet climate helps keep carbon in the soil. Soil-stored carbon can slow the build-up ... full story

Ebola: New Therapies to Combat Virus

Sep. 30, 2014 — New human antibody therapies have been developed for people exposed to the deadly Ebola and Marburg viruses, researchers report. Researchers are using a high-efficiency method to isolate and generate ... full story

Laser-Guided Herds of Sea Monkeys Show How Zooplankton Migrations May Affect Global Ocean Currents

Sep. 30, 2014 — Sea monkeys have captured the popular attention of both children and aquarium hobbyists because of their easily observable life cycle. Physicists are interested in a shorter-term pattern: Like other ... full story

Gene Doubling Shapes the World: Instant Speciation, Biodiversity, and the Root of Our Existence

Sep. 30, 2014 — Researchers emphasize that polyploidy and the important role it has played, especially in plant evolution, would not have gained the recognition it deserves would it not have been for its staunch ... full story

Gut Bacteria Promote Obesity in Mice

Sep. 30, 2014 — A species of gut bacteria called Clostridium ramosum, coupled with a high-fat diet, may cause animals to gain weight, researchers report. They observed that mice harboring human gut bacteria ... full story

Coral's Best Defender Against an Army of Sea Stars: Crabs

Sep. 30, 2014 — Coral reefs face a suite of perilous threats in today's ocean. From overfishing and pollution to coastal development and climate change, fragile coral ecosystems are disappearing at unprecedented ... full story

Fish Need Time to Adjust to New Environmental Conditions

Sep. 30, 2014 — Fish can live in almost any aquatic environment on Earth, but when the climate changes and temperatures go up many species are pushed to the limit. The amount of time needed to adjust to new ... full story

Biodiversity Does Not Always Improve Resistance of Forest Ecosystems to Drought

Sep. 30, 2014 — The resistance of forests to drought has been studied, with a focus on the diversity of tree species. This study shows that mixed species forests are more resistant to drought stress than ... full story

DNA Signature in Ice Storm Babies: Prenatal Maternal Stress Exposure to Natural Disasters Predicts Epigenetic Profile of Offspring

Sep. 29, 2014 — The number of days an expectant mother was deprived of electricity during Quebec's Ice Storm in 1998 predicts the epigenetic profile of her child, a new study ... full story

Climate Detectives Reveal Handprint of Human-Caused Climate Change in Australia

Sep. 29, 2014 — Australia's hottest year on record in 2013 along with the accompanying droughts, heat waves and record-breaking seasons of that year was virtually impossible without the influence of human-caused ... full story

Dolphins Are Attracted to Magnets: Add Dolphins to the List of Magnetosensitive Animals, French Researchers Say

Sep. 29, 2014 — Add dolphins to the list of magnetosensitive animals, French researchers say. Dolphins are indeed sensitive to magnetic stimuli, as they behave differently when swimming near magnetized ... full story

Smart, Eco-Friendly New Battery Made of Seeds and Pine Resin

Sep. 29, 2014 — Present-day lithium batteries are efficient but involve a range of resource and environmental problems. Using materials from alfalfa (lucerne seed) and pine resin and a clever recycling strategy, ... full story

Predicting Landslides With Light

Sep. 29, 2014 — A team of researchers in Italy are expanding the reach of optical fiber sensors 'to the hills' by embedding them in shallow trenches within slopes to detect and monitor both large landslides and slow ... full story

Tooth Buried in Bone Shows Prehistoric Predators Tangled Across Land, Sea

Sep. 29, 2014 — Before dinosaurs, it was thought the top aquatic and terrestrial predators didn't often interact. But researchers have discovered that the smaller of the two apex predators was potentially targeting ... full story

Climate Change Appears a Mixed Bag for Common Frog

Sep. 29, 2014 — After warmer winters, wood frogs breed earlier and produce fewer eggs, a researcher has found. The same study also found that frogs produce more eggs during winters with more rain and ... full story

While the Arctic Is Melting, the Gulf Stream Remains

Sep. 28, 2014 — The melting Arctic is not the source for less saline Nordic Seas. It is the Gulf Stream that has provided less salt. A new study documents that the source of fresher Nordic Seas since 1950 is rooted ... full story

Ancient Human Genome from Southern Africa Throws Light on Our Origins

Sep. 29, 2014 — The skeleton of a man who lived 2,330 years ago in the southernmost tip of Africa tells us about ourselves as humans, and throws some light on our earliest common genetic ancestry. The man's genome ... full story

Sand Dunes Reveal Biodiversity Secrets in Australia

Sep. 25, 2014 — Ancient, acidic and nutrient-depleted dunes in Western Australia are not an obvious place to answer a question that has vexed tropical biologists for decades. But the Jurien Bay dunes proved to be ... full story

Stone Age Tools: Innovation Was Local, Not Imported, in Eurasia More Than 300,000 Years Ago

Sep. 25, 2014 — Analysis of stone artifacts from the excavation of a 300,000-year-old site in Armenia shows that new technologies evolved locally, rather than being imported from outside, as previously ... full story

Dinosaur Family Tree Gives Fresh Insight Into Rapid Rise of Birds

Sep. 25, 2014 — The study shows that the familiar anatomical features of birds – such as feathers, wings and wishbones – all first evolved piecemeal in their dinosaur ancestors over tens of millions of years. ... full story

Global Sea Levels Rose Up to Five Meters Per Century at the End of the Last Five Ice Age

Sep. 25, 2014 — Land-ice decay at the end of the last five ice-ages caused global sea-levels to rise at rates of up to 5.5 metres per century, according to a new study. Researchers developed a 500,000-year record of ... full story

Fossil of Ancient Multicellular Life Sets Evolutionary Timeline Back 60 Million Years

Sep. 24, 2014 — Geobiologists shed new light on multicellular fossils from a time 60 million years before a vast growth spurt of life known as the Cambrian Explosion occurred on ... full story

New Dinosaur from New Mexico Has Relatives in Alberta

Sep. 24, 2014 — A newly discovered armored dinosaur from New Mexico has close ties to the dinosaurs of Alberta, say paleontologists. From 76 to 66 million years ago, Alberta was home to at least five species of ... full story

Colorado's Front Range Fire Severity Not Much Different Than Past

Sep. 24, 2014 — The perception that Colorado's Front Range wildfires are becoming increasingly severe does not hold much water scientifically, according to a massive new ... full story

New Analysis of Human Genetic History Reveals Female Dominance

Sep. 24, 2014 — Female populations have been larger than male populations throughout human history, according to new research. The research used a new technique to obtain higher quality paternal genetic information ... full story

Facial Masculinity Not Always a Telling Factor in Mate Selection

Sep. 23, 2014 — Women living where rates of infectious disease are high, according to theory, prefer men with faces that shout testosterone when choosing a mate. However, an international study says that may not be ... full story

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New Transparent Nanoscintillators for Radiation Detection Developed

Sep. 29, 2014 — Radiation detection properties have been identified in a light-emitting nanostructure made in a new way from two of the least expensive rare earth elements. The new material is made from two of the ... full story

Countries Must Work Together to Stop Organ Traffickers, Says Researcher

Sep. 26, 2014 — The author of new research into organ trafficking has called for a concerted international effort to confront the problem. Although there is no internationally agreed definition, 'organ trafficking' ... full story

Secret to Raising Well Behaved Teens? Maximize Their Zzzzz's

Sep. 26, 2014 — While American pediatricians warn sleep deprivation can stack the deck against teenagers, a new study reveals youth’s irritability and laziness aren’t down to attitude problems but lack of sleep. ... full story

Agonizing Rabies Deaths Can Be Stopped Worldwide

Sep. 25, 2014 — Ridding the world of rabies in humans is cost-effective and achievable through mass dog vaccination programs, an international team of researchers says. A rabies vaccine has long existed. Even so, ... full story

Goats Better Than Chemicals for Curbing Invasive Marsh Grass

Sep. 25, 2014 — Herbivores, not herbicides, may be the most effective way to combat the spread of Phragmites australis, one of the most invasive plants now threatening East Coast salt marshes. A new study finds ... full story

Gauntlet of Obstacles Facing Migrating Pronghorn in Greater Yellowstone

Sep. 25, 2014 — One of North America's last remaining long-distance land migrations, better known as the Path of the Pronghorn, is being threatened by a mosaic of natural gas field development, highway traffic, and ... full story

Dengue Fever, Malaria in the Himalayas

Sep. 25, 2014 — Research by Nepalese and German scientists analyzes the current situation of malaria and Dengue fever in the Himalayan country of Nepal, and highlights how they profit from climate change and ... full story

Working Long Hours Linked to Increased Risk of Type 2 Diabetes in People Doing Low Socioeconomic Status Jobs

Sep. 24, 2014 — People working for more than 55 hours per week doing manual work or other low socioeconomic status jobs have a 30% greater risk of developing type 2 diabetes, according to the largest study in this ... full story

Drivers, Don't Trade in Your Smartphone for Google Glass Yet

Sep. 24, 2014 — Texting while driving with Google Glass is clearly a distraction, a new study has concluded -- but there is a twist. In the study, texting Glass users outperformed smartphone users when regaining ... full story

Natural Gas Usage Will Have Little Effect on Carbon Dioxide Emissions, Researchers Find

Sep. 24, 2014 — Abundant supplies of natural gas will do little to reduce harmful U.S. emissions causing climate change, according to researchers. They found that inexpensive gas boosts electricity consumption and ... full story

Job Loss Fears May Boost First-Time Asthma Risk

Sep. 22, 2014 — Job loss fears may boost the risk of developing asthma for the first time, indicates research. The findings back up other epidemiological studies pointing to a link between the development of asthma ... full story

Burnout Caused by More Than Just Job Stress

Sep. 16, 2014 — Impossible deadlines, demanding bosses, abusive colleagues, unpaid overtime: all factors that can lead to a burnout. But when it comes to mental health in the workplace, the influence of home life ... full story

Gray Matter Matters When Measuring Risk Tolerance: May Explain Why Risk Tolerance Decreases With Age

Sep. 12, 2014 — The gray matter volume of a region in the right posterior parietal cortex is significantly predictive of individual risk attitudes, new research has found. Using a whole-brain analysis, scientists ... full story

Illegal Land Clearing for Commercial Agriculture Responsible for Half of Tropical Deforestation

Sep. 10, 2014 — A comprehensive new analysis says that nearly half of all recent tropical deforestation is the result of illegal clearing for commercial agriculture. The study also finds that the majority of this ... full story

Working During Depression Can Offer Health Benefits to Employees

Sep. 10, 2014 — Attending work while suffering a depressive illness could help employees better manage their depression more than taking a sickness absence from work, a new study has found. The study is the first ... full story

There Could Be Increased Numbers of Psychopaths in Senior Managerial Positions, High Levels of Business, Research Shows

Sep. 8, 2014 — For the first time, it has been demonstrated that people with psychopathic tendencies who have high IQs can mask their symptoms by manipulating tests designed to reveal their personalities. It raises ... full story

Self-Deceived Individuals Deceive Others Better

Aug. 27, 2014 — Over-confident people can fool others into believing they are more talented than they actually are, a study has found. These 'self-deceived' individuals could be more likely to get promotions and ... full story

Feeling Bad at Work Can Be a Good Thing (and Vice Versa)

Aug. 21, 2014 — Contrary to popular opinion, it can be good to feel bad at work, whilst feeling good in the workplace can also lead to negative outcomes, researchers say. The commonly-held assumption that positivity ... full story

Sleepy College Students Stressed by Jobs

Aug. 20, 2014 — College students are typically more sleep deprived than the rest of us and often ignore the health benefits of adequate slumber, said a researcher who studies the topic. "Sleep is extremely important ... full story

In an Already Stressful Workplace, Great Recession's Health Effects Hard to Find

Aug. 19, 2014 — The Great Recession of 2007-2009 had little direct effect on the health of workers who survived the waves of job cuts that took place during that period, according to a new ... full story

False Memories Could Be a Side-Effect of Human Ability to Learn Rules

Sep. 24, 2014 — Our tendency to create false memories could be related to our ability to learn rules according to new research. New research suggests that individuals who are particularly good at learning rules and ... full story

Fighting Parents Hurt Children's Ability to Recognize and Regulate Emotions

Sep. 17, 2014 — Exposure to verbal and physical aggression between parents may hurt a child's ability to identify and control emotions, according to a longitudinal study. Exposure to conflict and violence in the ... full story

Brain Scans Used to Forecast Early Reading Difficulties

Sep. 15, 2014 — Researchers have used brain scans to predict how young children learn to read, giving clinicians a possible tool to spot children with dyslexia and other reading difficulties before they experience ... full story

3-D Printing of Rocks and Fossils

Sep. 15, 2014 — Geologists are using 3-D printing to study the pores within limestone reservoir rocks. A better understanding of the pore networks within the rocks could help industry get at more ... full story

Brain Differences: Sometimes, Adolescents Just Can't Resist

Sep. 11, 2014 — A new study finds teenagers are far more sensitive than adults to the immediate effect or reward of their behaviors. Even when a behavior is no longer in a teenager’s best interest to continue, ... full story

High Levels of Physical Activity Linked to Better Academic Performance in Boys

Sep. 11, 2014 — Higher levels of physical activity are related to better academic achievement during the first three school years, particularly in boys, research shows. For instance, boys with higher levels of ... full story

Binge Drinking in Pregnancy Can Affect Child's Mental Health, School Results

Sep. 10, 2014 — Binge drinking during pregnancy can increase the risk of mental health problems (particularly hyperactivity and inattention) in children aged 11 and can have a negative effect on their school ... full story

Cellphone Addiction Harming Academic Performance Is 'an Increasingly Realistic Possibility'

Aug. 28, 2014 — Women college students spend an average of 10 hours a day on their cellphones, with men college students spending nearly eight hours, according to a study on cellphone activity. "As cellphone ... full story

Readers With Dyslexia Have Disrupted Network Connections in the Brain, Map the Circuitry of Dyslexia Shows

Aug. 28, 2014 — Dyslexia, the most commonly diagnosed learning disability in the United States, is a neurological reading disability that occurs when the regions of the brain that process written language don't ... full story

Social Class Makes a Difference in How Children Tackle Classroom Problems

Aug. 27, 2014 — Social class can account for differences in how parents coach their children to manage classroom challenges, a study shows. Such differences can affect a child's education by reproducing inequalities ... full story

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