Today's Science News

Wednesday, July 30, 2014

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Weighing the Milky Way: Researchers Devise Precise Method for Calculating the Mass of Galaxies

July 29, 2014 Does the Milky Way look fat in this picture? Has Andromeda been taking skinny selfies? Using a new, more accurate method for measuring the mass of galaxies, and international group of researchers has ... full story

Vision-Correcting Display Makes Reading Glasses So Yesterday

July 29, 2014 Researchers are developing vision-correcting displays that can compensate for a viewer's visual impairments to create sharp images without the need for glasses or contact lenses. The technology ... full story

Diet Affects Males' and Females' Gut Microbes Differently

July 29, 2014 The microbes living in the guts of males and females react differently to diet, even when the diets are identical, according to a new study. These results suggest that therapies designed to improve ... full story

Cassini Spacecraft Reveals 101 Geysers and More on Icy Saturn Moon

July 28, 2014 Scientists using mission data from NASA's Cassini spacecraft have identified 101 distinct geysers erupting on Saturn's icy moon Enceladus. Their analysis suggests it is possible for liquid ... full story

Global Warming Amplifier: Rising Water Vapor in Upper Troposphere to Intensify Climate Change

July 28, 2014 A new study from scientists at the University of Miami Rosenstiel School of Marine and Atmospheric Science and colleagues confirms rising levels of water vapor in the upper troposphere -- a key ... full story

'Killer Sperm' Prevents Mating Between Worm Species

July 29, 2014 Most cross-species mating is merely unsuccessful in producing offspring. However, when researchers mated Caenorhabditis worms of different species, they found that the lifespan of the female worms ... full story

The Quantum Cheshire Cat: Can Neutrons Be Located at a Different Place Than Their Own Spin?

July 29, 2014 Can neutrons be located at a different place than their own spin? A quantum experiment demonstrates a new kind of quantum paradox. The Cheshire Cat featured in Lewis Caroll's novel "Alice ... full story

Social Origins of Intelligence in the Brain

July 29, 2014 By studying the injuries and aptitudes of Vietnam War veterans who suffered penetrating head wounds during the war, scientists are tackling -- and beginning to answer -- longstanding questions about ... full story

Evolution in Rainforest Flies Points to Climate Change Survival

July 29, 2014 Scientists believe some tropical species may be able to evolve and adapt to the effects of climate change. The new findings suggests some sensitive rainforest-restricted species may survive climate ... full story

Microscopic Rowing -- Without a Cox: Cells' Whip-Like Appendages Can Synchronize Their Movements

July 29, 2014 New research shows that the whip-like appendages on many types of cells are able to synchronize their movements solely through interactions with the fluid that surrounds ... full story

Healthy Lifestyle May Buffer Against Stress-Related Cell Aging

July 29, 2014 A new study shows that while the impact of life’s stressors accumulate overtime and accelerate cellular aging, these negative effects may be reduced by maintaining a healthy diet, exercising and ... full story

Lead Pollution Beat Explorers to South Pole, Persists Today

July 28, 2014 Norwegian explorer Roald Amundsen became the first man to reach the South Pole in December 1911. More than 100 years later, an international team of scientists has proven that air pollution from ... full story

Impact of Deepwater Horizon Oil Spill on Coral Is Deeper and Broader Than Predicted

July 28, 2014 A new discovery of two additional coral communities showing signs of damage from the Deepwater Horizon oil spill expands the impact footprint of the 2010 spill in the Gulf of ... full story

Learning the Smell of Fear: Mothers Teach Babies Their Own Fears Via Odor, Animal Study Shows

July 28, 2014 Babies can learn what to fear in the first days of life just by smelling the odor of their distressed mothers’, new research suggests. And not just “natural” fears: If a mother experienced ... full story

New Protein Structure Could Help Treat Alzheimer's, Related Diseases

July 28, 2014 Bioengineers have a designed a peptide structure that can stop the harmful changes of the body's normal proteins into a state that's linked to widespread diseases such as Alzheimer's, ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

Climate Change Could Cost Billions According To White House

Climate Change Could Cost Billions According To White House

Newsy (July 29, 2014) A report from the White House warns not curbing greenhouse gas emissions could cost the U.S. billions. Video provided by Newsy
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Running 5 Minutes A Day Might Add Years To Your Life

Running 5 Minutes A Day Might Add Years To Your Life

Newsy (July 29, 2014) According to a new study, just five minutes of running or jogging a day could add years to your life. Video provided by Newsy
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Jane Goodall Warns Great Apes Face Extinction

Jane Goodall Warns Great Apes Face Extinction

AFP (July 29, 2014) The world's great apes face extinction within decades, renowned chimpanzee expert Jane Goodall warned Tuesday in a call to arms to ensure man's closest relatives are not wiped out. Duration: 00:58 Video provided by AFP
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How Your Face Can Leave A Good Or Bad First Impression

How Your Face Can Leave A Good Or Bad First Impression

Newsy (July 29, 2014) Researchers have found certain facial features can make us seem more attractive or trustworthy. Video provided by Newsy
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last updated on 2014-07-30 at 3:08 am EDT

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World's Smallest Propeller Could Be Used for Microscopic Medicine

July 29, 2014 Scientists have created robots that are only nanometers in length, small enough to maneuver inside the human body and possibly inside human ... full story

Brand-Specific Television Alcohol Ads a Significant Predictor of Brand Consumption Among Underage Youth

July 29, 2014 Underage drinkers are three times more likely to drink alcohol brands that advertise on television programs they watch compared to other alcohol brands, providing new and compelling evidence of a ... full story

Do Your Stem Cells Sound Like Cancer? While-You-Wait, Non-Invasive Cancer Diagnosis by Converting Stem Cell Data Into Sound

July 29, 2014 Converting stem cell data into sounds could enable GPs to make instant, non-invasive cancer diagnoses during a routine check-up. A recent study shows how data sonification (where data is conveyed as ... full story

Autistic Brain Less Flexible at Taking on Tasks

July 29, 2014 The brains of children with autism are relatively inflexible at switching from rest to task performance, according to a new brain-imaging ... full story

Help Your Infant or Toddler Cope With Stressful Events

July 29, 2014 18-month-old “Karla” was playing on the slide at the park in her neighborhood, her mother sitting on a nearby bench chatting with her friend. A loud screech was followed by a crash and the sound ... full story

Preterm Children's Brains Can Catch Up Years Later

July 29, 2014 There's some good news for parents of preterm babies -- latest research shows that by the time they become teenagers, the brains of many preterm children can perform almost as well as those born at ... full story

When It Comes to Gluten-Free Diets, Unfounded Beliefs Abound

July 29, 2014 Lots of people are eating gluten-free diets, but perhaps for the wrong reasons, a UF/IFAS researcher says. Such diets, while necessary for those with celiac disease, may lack nutrients essential to ... full story

Mortality Rates Increase Due to Extreme Heat and Cold

July 29, 2014 When temperatures are extremely high or low, there is a significant increase in the number of deaths caused by heart failure or stroke. This has been confirmed by epidemiological ... full story

Stem Cell Advance May Increase Efficiency of Tissue Regeneration

July 28, 2014 A new stem-cell discovery might one day lead to a more streamlined process for obtaining stem cells, which in turn could be used in the development of replacement tissue for failing body parts, ... full story

Forced Mutations Doom HIV: How Potential HIV Drug Exacts Its Toll on Viral Populations

July 28, 2014 Fifteen years ago, medical researchers had a novel idea for an HIV drug. They thought if they could induce the virus to mutate uncontrollably, they could force it to weaken and eventually die out -- ... full story

Watching Neurons Fire from a Front-Row Seat

July 29, 2014 They are with us every moment of every day, controlling every action we make, from the breath we breathe to the words we speak, and yet there is still a lot we don't know about the cells that make up ... full story

Brainwaves Can Predict Audience Reaction of Television Programming

July 29, 2014 By analyzing the brainwaves of 16 individuals as they watched mainstream television content, researchers were able to accurately predict the preferences of large TV audiences, up to 90 percent in the ... full story

Using TV, Videos or a Computer Game as a Stress Reducer After a Tough Day at Work Can Lead to Feelings of Guilt and Failure

July 29, 2014 It seems common practice: After a long day at work, most people sometimes just want to turn on the TV or play a video or computer game to calm down and relax. However, in a new study researchers ... full story

Dementia Patients More Likely to Get Implanted Pacemakers, Says Study

July 28, 2014 People with dementia are more likely to get implanted pacemakers for heart rhythm irregularities, such as atrial fibrillation, than people who don't have cognitive difficulties, according to ... full story

Memory Relies on Astrocytes, the Brain's Lesser Known Cells: Supportive Cells Vital in Cognitive Function

July 28, 2014 When you're expecting something -- like the meal you've ordered at a restaurant -- or when something captures your interest, unique electrical rhythms sweep through your ... full story

Stimulation of Brain Region Restores Consciousness to Animals Under General Anesthesia

July 28, 2014 Stimulating the ventral tegmental area, one of two dopamine-producing regions in the brain, was able to arouse animals receiving general anesthesia with either isoflurane or propofol. The same effect ... full story

Glucose 'Control Switch' in the Brain Key to Both Types of Diabetes

July 28, 2014 Researchers have pinpointed a mechanism in part of the brain that is key to sensing glucose levels in the blood, linking it to both type 1 and type 2 ... full story

Brain's Habenula Signals How Bad Things Could Be

July 28, 2014 An evolutionarily ancient and tiny part of the brain tracks expectations about nasty events, according to new research. The study demonstrates for the first time that the human habenula, half the ... full story

Facial Features Are the Key to First Impressions

July 28, 2014 A new study shows that it is possible to accurately predict first impressions using measurements of physical features in everyday images of faces, such as those found on social ... full story

Six Reasons for Headaches in School-Age Children and How Parents Can Help Relieve the Pain

July 28, 2014 As the school year approaches and begins, many parents may start to hear their children complain about ... full story

Running Reduces Risk of Death Regardless of Duration, Speed

July 28, 2014 Running for only a few minutes a day or at slow speeds may significantly reduce a person's risk of death from cardiovascular disease compared to someone who does not run, according to a new ... full story

Green Spaces Found to Increase Birth Weight

July 28, 2014 Mothers who live near green spaces deliver babies with significantly higher birth weights, according to a new ... full story

Fist Bumping Beats Germ-Spreading Handshake

July 28, 2014 “Fist bumping” transmits significantly fewer bacteria than either handshaking or high-fiving, while still addressing the cultural expectation of hand-to-hand contact between patients and ... full story

It Takes More Than Practice to Excel

July 28, 2014 Psychologists have overturned a 20-year-old theory that people who excel in their fields are those who practiced the ... full story

Primary Texting Bans Associated With Lower Traffic Fatalities, Study Finds

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

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

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

Why Do Men Prefer Nice Women? Responsiveness and Desire

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

Common Blood Thinner for Pregnant Women Proven Ineffective

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

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

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

Low-Carb Diet Recommended for Diabetics

July 24, 2014 Low carbohydrate diets should be the first point of attack in managing Type 1 and Type 2 diabetes, a new study suggests. The study suggests the need for a reappraisal of dietary guidelines due to the ... full story

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Revolutionary Microshutter Technology Hurdles Significant Challenges

July 29, 2014 NASA technologists have hurdled a number of significant technological challenges in their quest to improve an already revolutionary observing technology originally created for the James Webb Space ... full story

Mysterious Molecules in Space: Silicon-Capped Hydrocarbons May Be Source of 'Diffuse Interstellar Bands'

July 29, 2014 New research has offered a tantalizing new possibility in the realm of interstellar molecules and diffuse interstellar bands: these mysterious molecules may be silicon-capped hydrocarbons like SiC3H, ... full story

A New Way to Make Microstructured Surfaces: Method Can Produce Strong, Lightweight Materials With Specific Surface Properties

July 29, 2014 A team of researchers has created a new way of manufacturing microstructured surfaces that have novel three-dimensional textures. These surfaces, made by self-assembly of carbon nanotubes, could ... full story

Tough Foam from Tiny Sheets: Lab Uses Atom-Thick Materials to Make Ultralight Foam

July 29, 2014 Tough, ultralight foam of atom-thick sheets can be made to any size and shape through a new chemical process. In microscopic images, the foam dubbed "GO-0.5BN" looks like a nanoscale building, with ... full story

Optimum Inertial Self-Propulsion Design for Snowman-Like Nanorobot

July 29, 2014 A new study investigates the effects of small but finite inertia on the propulsion of micro and nano-scale swimming machines. Scale plays a major role in locomotion. Swimming microorganisms, such as ... full story

Beyond Invisibility Cloaks? Flexible Metamaterial Absorbers Developed

July 29, 2014 Scientists have created flexible metamaterial absorbers designed to suppress electromagnetic radiation from mobile electronics. Electromagnetic metamaterials boast special properties not found in ... full story

Kill Switch in Cell Phones Could Save Consumers More Than $3.4 Billion Annually

July 29, 2014 A new study shows consumer savings from the Kill Switch legislation exceed initial projections and now points to well over $3 billion. This savings to consumers comes at the expense of insurance and ... full story

From Finding Nemo to Minerals: What Riches Lie in the Deep Sea?

July 29, 2014 As fishing and the harvesting of metals, gas and oil have expanded deeper and deeper into the ocean, scientists are drawing attention to the services provided by the deep sea, the world’s largest ... full story

Worldwide Water Shortage by 2040

July 29, 2014 Water is used around the world for the production of electricity, but new research results show that there will not be enough water in the world to meet demand by 2040 if the energy and power ... full story

Printing the Metals of the Future

July 28, 2014 3-D printers can create all kinds of things, from eyeglasses to implantable medical devices, straight from a computer model and without the need for molds. But for making spacecraft, engineers ... full story

NASA-Funded X-Ray Instrument Settles Interstellar Debate

July 29, 2014 New findings from a NASA-funded instrument have resolved a decades-old puzzle about a fog of low-energy X-rays observed over the entire sky. Thanks to refurbished detectors first flown on a NASA ... full story

NASA Long-Lived Mars Opportunity Rover Passes 25 Miles of Driving

July 28, 2014 NASA's Opportunity Mars rover, which landed on the Red Planet in 2004, now holds the off-Earth roving distance record after accruing 25 miles (40 kilometers) of driving. The previous record was held ... full story

Cool-Burning Flames in Space, Could Lead to Better Engines on Earth

July 28, 2014 Scientists have discovered a new type of cool burning flames that could lead to cleaner, more efficient engines for cars. The discovery was made during a series of experiments on the International ... full story

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

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

Building 'Invisible' Materials With Light

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

New Mass Map of Distant Galaxy Cluster Is Most Precise Yet

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

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

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

Voyager Spacecraft Might Not Have Reached Interstellar Space

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

New Approach in Search for Extraterrestrial Intelligence: Target Alien Polluters

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

Atmosphere of Titan, Saturn's Largest Moon

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

Google Searches May Hold Key to Future Market Crashes, Researchers Find

July 28, 2014 A team of researchers has developed a method to automatically identify topics that people search for on Google before subsequent stock market ... full story

A Transistor-Like Amplifier for Single Photons

July 28, 2014 Scientists have achieved a twentyfold amplification of single-photon signals with the help of an ultracold quantum ... full story

New Tools Help Neuroscientists Analyze 'Big Data'

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

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

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

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

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

New Characteristics of Complex Oxide Surfaces Revealed

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

Gene Changes in Breast Cancer Cells Pinpointed With New Computational Method

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

Artificial Intelligence Identifies the Musical Progression of the Beatles

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

Novel Technologies Advance Brain Surgery to Benefit Patients

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

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

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

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Prehistoric Dairy Farming at the Extremes

July 29, 2014 Finland's love of milk has been traced back to 2500 BC, thanks to high-tech techniques to analyze residues preserved in fragments of ancient ... full story

Generating a Genome to Feed the World: African Rice Sequenced

July 28, 2014 An international team of scientists has sequenced the genome of African rice. The new information will enable scientists and agriculturalists to develop varieties of rice that can survive in a ... full story

Stress-Tolerant Tomato Relative Sequenced

July 28, 2014 The genome of Solanum pennellii, a wild relative of the domestic tomato, has been published by an international group of researchers. The new genome information may help breeders produce tastier, ... full story

Cell's Recycling Center Implicated in Division Decisions

July 28, 2014 Most cells do not divide unless there is enough oxygen present to support their offspring, but certain cancer cells and other cell types circumvent this rule. Researchers have now identified a ... full story

Researchers Produce Record-Length Mirror-Image Protein

July 28, 2014 Biochemists have reported an advance in the production of functional mirror-image proteins. In a new study, they have chemically synthesized a record-length mirror-image protein and used this protein ... full story

The Role of Dairy in Maintaining Adult Bone and Skeletal Muscle Health

July 28, 2014 Understanding that diets are often built around food groups rather than specific nutrients, researchers from Switzerland, France, and North America decided to examine interactions between four ... full story

How Sweet It Is: Bioenergy Advanced by New Tool

July 28, 2014 Researchers have developed a powerful new tool that can help advance the genetic engineering of 'fuel' crops for clean, green and renewable bioenergy -- an assay that enables scientists to identify ... full story

Models for Polymer Macromolecules Using Magnets and DNA 'Springs'

July 28, 2014 Scientists are making models for polymer macromolecules using magnets and DNA 'springs' that can be tuned for ... full story

Social Network Research May Boost Prairie Dog Conservation Efforts

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

Mutations from Venus, Mutations from Mars: Why Genetic Fertility Problems Can Persist in a Population

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

Huge Waves Measured for First Time in Arctic Ocean

July 29, 2014 The first measurements of waves in the middle of the Arctic Ocean recorded house-sized waves during a September 2012 storm. More sensors are going out this summer to study waves in newly ice-free ... full story

Famine in the Horn of Africa (1984) Was Caused by El Nino and Currents in the Indian Ocean

July 29, 2014 Oceanic patterns are important drivers of climatic variability. There is a clear link between periods of drought in the North Ethiopian Highlands and oceanic phases of El Nino, the Indian Ocean ... full story

Gasses from Kilauea Volcano Affected Tropical Storm Flossie Formation

July 29, 2014 One might assume that a tropical storm moving through volcanic smog would sweep up the tainted air and march on, unchanged. However, a recent study from atmospheric scientists revealed that, though ... full story

Mineral Magic? Common Mineral Capable of Making and Breaking Bonds

July 28, 2014 Researchers have demonstrated how a common mineral acts as a catalysts for specific hydrothermal organic reactions -- negating the need for toxic solvents or expensive ... full story

'Nuisance Flooding' an Increasing Problem as Coastal Sea Levels Rise

July 28, 2014 Eight of the top 10 US cities that have seen an increase in so-called 'nuisance flooding' -- which causes such public inconveniences as frequent road closures, overwhelmed storm drains and ... full story

Dinosaurs Fell Victim to Perfect Storm of Events, Study Shows

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

Europe's Habitat and Wildlife Is Vulnerable to Climate Change

July 28, 2014 New research has identified areas of the Earth that are high priorities for conservation in the face of climate change. Europe is particularly vulnerable, as it has the lowest fraction of its land ... full story

Climate Change and Air Pollution Will Combine to Curb Food Supplies

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

Trees Save Lives, Reduce Respiratory Problems

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

Changes in Agriculture Increase High River Flow Rates

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

Violent Aftermath for the Warriors at Alken Enge

July 29, 2014 Denmark attracted international attention in 2012 when archaeological excavations revealed the bones of an entire army, whose warriors had been thrown into the bogs near the Alken Enge wetlands in ... full story

Fire Ecology Manipulation by California Native Cultures

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

Earlier Stone Age Artifacts Found in Northern Cape of South Africa

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

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

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

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

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

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

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

Four-Billion-Year-Old Chemistry in Cells Today

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

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

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

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

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

Ancient Genetic Material from Caries Bacterium Obtained for the First Time

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

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Hepatitis C Virus Genotype 1 Most Prevalent Worldwide

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

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

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

Shift Work Linked to Heightened Risk of Type 2 Diabetes

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

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

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

Humans Share Fairness Concerns With Other Species

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

How to Power California With Wind, Water and Sun

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

Global Wildlife Decline Driving Slave Labor, Organized Crime

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

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

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

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

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

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

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

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

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

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

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

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

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

Putting a Price Tag on the 2 Degree Celsius Climate Target

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

Oil Palm Plantations Threaten Water Quality, Scientists Say

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

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

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

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

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

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

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

Android Security Weaknesses Caused by Performance Design Identified

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

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

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

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

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

Stronger Early Reading Skills Predict Higher Intelligence Later

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

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

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

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

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

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

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

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

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

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

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

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

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

Want a Higher GPA in College? Join a Gym

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

Same Genes Drive Mathematics and Reading Ability

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

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