Today's Science News

Friday, December 26, 2014

Featured Research

from universities, journals, and other organizations

Modern Genetics Confirm Ancient Relationship Between Fins and Hands

Dec. 22, 2014 — Efforts to connect the evolutionary transition from fish fins to wrist and fingers with the genetic machinery for this adaptation have fallen short because they focused on the wrong fish. Now, ... full story

Tales from a Martian Rock: New Chemical Analysis of Ancient Martian Meteorite Provides Clues to Planet's History of Habitability

Dec. 22, 2014 — A new analysis of a Martian rock that meteorite hunters plucked from an Antarctic ice field 30 years ago this month reveals a record of the planet's climate billions of years ago, back when ... full story

Hunter-Gatherer Past Shows Our Fragile Bones Result from Inactivity Since Invention of Farming

Dec. 22, 2014 — Latest analysis of prehistoric bones show there is no anatomical reason why a person born today could not develop the skeletal strength of a prehistoric forager or a modern orangutan. Findings ... full story

New Non-Invasive Method Can Detect Alzheimer's Disease Early

Dec. 22, 2014 — A noninvasive MRI approach that can detect the Alzheimer's disease in a living animal, well before typical Alzheimer's symptoms appear, has been developed by researchers. The research team ... full story

Light-Emitting E-Readers Before Bedtime Can Adversely Impact Sleep

Dec. 22, 2014 — Use of a light-emitting electronic device (LE-eBook) in the hours before bedtime can adversely impact overall health, alertness, and the circadian clock which synchronizes the daily rhythm of sleep ... full story

Could Playing Tchaikovsky's 'Nutcracker' and Other Music Improve Kids' Brains?

Dec. 23, 2014 — In a study called 'the largest investigation of the association between playing a musical instrument and brain development,' a child psychiatry team has found that musical training might ... full story

Molecular Mechanism Behind Health Benefits of Dietary Restriction Identified

Dec. 23, 2014 — A key molecular mechanism behind the health benefits of dietary restriction has been identified by researchers. Also known as calorie restriction, dietary restriction is best known for its ability to ... full story

That Smartphone Is Giving Your Thumbs Superpowers

Dec. 23, 2014 — When people spend time interacting with their smartphones via touchscreen, it actually changes the way their thumbs and brains work together, according to a new report. More touchscreen use in the ... full story

Oldest Stone Tool Ever Found in Turkey Discovered

Dec. 23, 2014 — Scientists have discovered the oldest recorded stone tool ever to be found in Turkey, revealing that humans passed through the gateway from Asia to Europe much earlier than previously thought, ... full story

Trial Confirms Ebola Vaccine Candidate Safe, Equally Immunogenic in Africa

Dec. 23, 2014 — Two experimental DNA vaccines to prevent Ebola virus and the closely related Marburg virus are safe, and generated a similar immune response in healthy Ugandan adults as reported in healthy US adults ... full story

Ultrasounds Dance the 'Moonwalk' in New Metamaterial

Dec. 22, 2014 — Metamaterials have extraordinary properties when it comes to diverting and controlling waves, especially sound and light: for instance, they can make an object invisible, or increase the resolving ... full story

Cells 'Feel' Their Surroundings Using Finger-Like Structures

Dec. 22, 2014 — Cells have finger-like projections that they use to feel their surroundings. They can detect the chemical environment and they can 'feel' their physical surroundings using ultrasensitive ... full story

Coral Reveals Long-Term Link Between Pacific Winds, Global Climate

Dec. 22, 2014 — New research indicates that shifts in Pacific trade winds played a key role in twentieth century climate variation and are likely again influencing global temperatures. The study uses a novel method ... full story

New Technology Makes Tissues, Someday Maybe Organs

Dec. 22, 2014 — A new device for building large tissues from living components of three-dimensional microtissues borrows on ideas from electronics manufacturing. The Bio-Pick, Place, and Perfuse is a step toward ... full story

Scientists 'Map' Water Vapor in Martian Atmosphere

Dec. 22, 2014 — Scientists have created a 'map' of the distribution of water vapor. Their research includes observations of seasonal variations in atmospheric concentrations using data collected over ten ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

300-Million-Year-Old Fossil Reveals Fish Saw In Color

300-Million-Year-Old Fossil Reveals Fish Saw In Color

Newsy (Dec. 24, 2014) — A 300-million-year-old fish fossil discovered in Kansas has evidence of photoreceptor eye tissue. It's the earliest known display of seeing in color. Video provided by Newsy
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New Fish Species Discovered, Setting Record for World's Deepest

New Fish Species Discovered, Setting Record for World's Deepest

Buzz60 (Dec. 22, 2014) — A new species of fish is discovered living five miles beneath the ocean surface, making it the deepest living fish on earth. Jen Markham has the story. Video provided by Buzz60
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Touch-Free Smart Phone Empowers Mobility-Impaired

Touch-Free Smart Phone Empowers Mobility-Impaired

Reuters - Innovations Video Online (Dec. 21, 2014) — A touch-free phone developed in Israel enables the mobility-impaired to operate smart phones with just a movement of the head. Suzannah Butcher reports. Video provided by Reuters
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Birds Might Be Better Meteorologists Than Us

Birds Might Be Better Meteorologists Than Us

Newsy (Dec. 19, 2014) — A new study suggests a certain type of bird was able to sense a tornado outbreak that moved through the U.S. a day before it hit. Video provided by Newsy
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last updated on 2014-12-26 at 4:18 am EST

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Scientists Zero in on How Lung Cancer Spreads

Dec. 25, 2014 — Scientists have taken microscopic images revealing that the protein ties tethering cells together are severed in lung cancer ... full story

Twelve New Genetic Causes of Developmental Disorders

Dec. 25, 2014 — Scientists have discovered 12 new genetic causes of developmental disorders.They will ultimately analyze data from 12,000 families. The article describes results from the first 1133 samples, which ... full story

Egg and Sperm Race: Scientists Create Precursors to Human Egg and Sperm

Dec. 25, 2014 — Scientists have created primordial germ cells -- cells that will go on to become egg and sperm -- using human embryonic stem cells. Although this had already been done using rodent stem cells, this ... full story

Putting Bedbugs to Bed Forever

Dec. 24, 2014 — A team of scientists has found a way to conquer the global bedbug epidemic. By lending their own arms for thousands of bed bug bites, they have finally found the solution -- a set of chemical ... full story

High-Fat Diet, Obesity During Pregnancy Harms Stem Cells in Developing Fetus

Dec. 24, 2014 — Physician-scientists reveal a high-fat diet and obesity during pregnancy compromise the blood-forming, or hematopoietic, stem cell system in the fetal liver responsible for creating and sustaining ... full story

Scrapie Could Breach the Species Barrier

Dec. 24, 2014 — The pathogens responsible for scrapie in small ruminants (prions) have the potential to convert the human prion protein from a healthy state to a pathological state, researchers have discovered for ... full story

To Remove the Gallbladder or Not: That Is the Question

Dec. 23, 2014 — Gallbladder removal is one of the most common operations performed in older adults. Yet, research suggests that many patients who would benefit most from the surgery don't get ... full story

Identifying Brain Variations to Predict Patient Response to Surgery for OCD

Dec. 23, 2014 — Identifying brain variations may help physicians predict which patients will respond to a neurosurgical procedure to treat obsessive-compulsive disorder that does not respond to medication or ... full story

Trends in Indoor Tanning Among U.S. High School Students

Dec. 23, 2014 — While indoor tanning has decreased among high school students, about 20 percent of females engaged in indoor tanning at least once during 2013 and about 10 percent of girls frequently engaged in the ... full story

The Heat Is On: Causes of Hospitalization Due to Heat Waves Identified

Dec. 23, 2014 — In the largest and most comprehensive study of heat-related illness to date, researchers have identified a handful of potentially serious disorders that put older Americans at significantly increased ... full story

First Scientific Report Shows Police Body-Cameras Can Prevent Unacceptable Use-of-Force

Dec. 24, 2014 — As Obama pledges investment in body-worn-camera technology for police officers, researchers say cameras induce 'self-awareness' that can prevent unacceptable uses-of-force seen to have tragic ... full story

Activating Hair Growth by Modifying Immune Cells

Dec. 23, 2014 — How to restore hair loss is a task not undertaken exclusively by beauty practitioners. The discover reveals a novel angle to spur hair follicle growth. This also adds new knowledge to a broader ... full story

'July Effect' Does Not Impact Stroke Outcomes, According to New Study

Dec. 23, 2014 — Patients with strokes caused by blood clots -known as acute ischemic strokes- who were admitted in July had similar outcomes compared to patients admitted any other month, according to a new study. ... full story

Echolocation Acts as Substitute Sense for Blind People

Dec. 23, 2014 — Human echolocation operates as a viable 'sense,' working in tandem with other senses to deliver information to people with visual impairment, according to new research. Ironically, the proof for the ... full story

Way to Control Internal Clocks Discovered

Dec. 23, 2014 — Researchers hypothesize that targeting components of the mammalian clock with small molecules like REV-ERB drugs may lead to new treatments for sleep disorders and anxiety disorders. It also is ... full story

Stress May Increase Desire for Reward but Not Pleasure, Research Finds

Dec. 23, 2014 — Feeling stressed may prompt you to go to great lengths to satisfy an urge for a drink or sweets, but you're not likely to enjoy the indulgence any more than someone who is not stressed and has the ... full story

Using Targeted Brain Stimulation to Change Attention Patterns for Anxious Individuals

Dec. 23, 2014 — Transcranial direct current stimulation (tDCS) is a painless treatment strategy that uses weak electrical currents to deliver targeted stimulation to the brain via electrodes placed on the scalp. ... full story

In Search of the Origin of Our Brain

Dec. 23, 2014 — While searching for the origin of our brain, biologists have gained new insights into the evolution of the central nervous system and its highly developed biological structures. Nerve cell ... full story

War Veterans: Researchers Point to Impact of Combined Brain Injury, PTSD

Dec. 22, 2014 — Researchers have exposed new information about the combined cognitive effects of mild traumatic brain injury and posttraumatic stress disorder in war veterans. Results of a study suggest that ... full story

Physical Violence Linked to Stress Hormone in Women

Dec. 22, 2014 — A new study links physical violence against women by male partners to a disruption of a key steroid hormone that opens the door potentially to a variety of negative health ... full story

Maternal Supplementation With Multiple Micronutrients Compared With Iron-Folic Acid

Dec. 23, 2014 — In Bangladesh, daily maternal supplementation of multiple micronutrients compared to iron-folic acid before and after childbirth did not reduce all-cause infant mortality to age 6 months, but did ... full story

Overweight Teens Lose Weight for the Right Reasons, Study Shows

Dec. 23, 2014 — A new study looked at formerly obese or overweight teens who had lost weight and kept it off. Their motives were more intrinisic, such as being healthy and feeling good. Parents can help by being ... full story

Weight Training Appears Key to Controlling Belly Fat

Dec. 23, 2014 — Healthy men who did 20 minutes of daily weight training had less of an increase in age-related abdominal fat compared with men who spent the same amount of time doing aerobic activities, according to ... full story

Decision 'Cascades' in Social Networks

Dec. 22, 2014 — People in social networks are often influenced by each other's decisions, resulting in a run of behaviors in which their choices become highly correlated, causing a cascade of ... 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

Bone Loss Drugs May Help Prevent Endometrial Cancer

Dec. 22, 2014 — Women who use bisphosphonates -- medications commonly used to treat osteoporosis and other bone conditions -- have about half the risk of developing endometrial cancer as women who do not use the ... full story

Televised Medical Talk Shows: Health Education or Entertainment?

Dec. 20, 2014 — Millions of viewers around the world watch the televised medical talk programs 'The Dr. Oz Show' and 'The Doctors' for medical advice, but how valuable are the recommendations they receive? In a ... full story

Early Exposure to Antidepressants Affects Adult Anxiety, Serotonin Transmission

Dec. 19, 2014 — Early developmental exposure to two different antidepressants, Prozac and Lexapro, has been studied by researchers in a mouse model that mimics human third trimester medication exposure. They found ... full story

Family Criticizing Your Weight? You Might Add More Pounds

Dec. 19, 2014 — Women whose loved ones are critical of their weight tend to put on even more pounds, says a new study on the way people's comments affect our health. "When we feel bad about our bodies, we often turn ... full story

Helping Parents Understand Infant Sleep Patterns

Dec. 19, 2014 — Most parents are not surprised by the irregularity of a newborn infant's sleep patterns, but by six months or so many parents wonder if something is wrong with their baby or their sleeping ... full story

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How Electrons Split: New Evidence of Exotic Behaviors

Dec. 23, 2014 — Electrons split into electrical charge and magnetic moment in a two-dimensional model, a study has shown for the first time. The discovery marks a new understanding in the discovery of exotic ... full story

Nano Filter Cleans Dirty Industry

Dec. 23, 2014 — Prototypes of nano-cellulose based filters with high purification capacity towards environmentally hazardous contaminants from industrial effluents have been developed by researchers. The research ... full story

Hunt for Big Bang Particles Offering Clues to the Origin of the Universe

Dec. 23, 2014 — Billions upon billions of neutrinos speed harmlessly through everyone's body every moment of the day, according to cosmologists. The bulk of these subatomic particles are believed to come straight ... full story

Breakthrough in Predictions of Pressure-Dependent Combustion Chemical Reactions

Dec. 23, 2014 — A method to successfully predict pressure-dependent chemical reaction rates has been demonstrated by scientists for the first time. It’s an important breakthrough in combustion and atmospheric ... full story

New-Generation 'Thinking' Biomimetic Robots Developed as Ocean Engineering Solutions

Dec. 23, 2014 — Researchers are closer to creating underwater robotic creatures with a brain of their own -- besides behaving like the real thing. In the near future, it would not be too tall an order for the team ... full story

Gecko Grippers Get a Microgravity Test Flight

Dec. 22, 2014 — There are no garbage trucks equipped to leave the atmosphere and pick up debris floating around Earth. But what if we could send a robot to do the job? Scientists at NASA's Jet Propulsion Laboratory ... full story

Graphene 'Cut and Paste' With Microwaves

Dec. 22, 2014 — Researchers have demonstrated a variety of transformations taking place on carbon surface under the influence of metal nanoparticles and ... full story

This Endoscope Zaps Tumors

Dec. 22, 2014 — To examine internal organs, doctors often use a tube with light and a tiny camera attached to it. The device, called an endoscope, helps detect cancer and other illnesses. It may soon serve another ... full story

Hands On: Crafting Ultrathin Color Coatings

Dec. 22, 2014 — An ultra-thin layer of a metal and a semiconductor could be applied to essentially any rough or flexible material to produce a vividly colored coating, researchers report. The technique, which ... full story

Mysteries of 'Molecular Machines' Revealed: Phenix Software Uses X-Ray Diffraction Spots to Produce 3-D Image

Dec. 22, 2014 — Scientists are making it easier for pharmaceutical companies and researchers to see the detailed inner workings of molecular ... full story

Sun Sizzles in High-Energy X-Rays

Dec. 22, 2014 — For the first time, a mission designed to set its eyes on black holes and other objects far from our solar system has turned its gaze back closer to home, capturing images of our sun. NASA's Nuclear ... full story

The Milky Way's New Neighbor: Tiny and Isolated Dwarf Galaxy Discovered

Dec. 22, 2014 — The Milky Way, the galaxy we live in, is part of a cluster of more than 50 galaxies that make up the ‘Local Group’, a collection that includes the famous Andromeda galaxy and many other far ... full story

Signs of Europa Plumes Remain Elusive in Search of Cassini Data

Dec. 18, 2014 — A fresh look at data collected by NASA's Cassini spacecraft during its 2001 flyby of Jupiter shows that Europa's tenuous atmosphere is even thinner than previously thought and also suggests that the ... full story

NASA's Kepler Reborn, Makes First Exoplanet Find of New Mission

Dec. 18, 2014 — NASA's planet-hunting Kepler spacecraft makes a comeback with the discovery of the first exoplanet found using its new mission -- K2. The discovery was made when astronomers and engineers devised an ... full story

Dust Devil and the Details: Spinning Up a Storm on Mars

Dec. 18, 2014 — Spinning up a dust devil in the thin air of Mars requires a stronger updraft than is needed to create a similar vortex on Earth, researchers show. “To start a dust devil on Mars you need ... full story

Origin of Long-Standing Space Mystery Revealed: Origin of the 'Theta Aurora'

Dec. 18, 2014 — Scientists have solved a long-standing space mystery -- the origin of the 'theta aurora'. Auroras are the most visible manifestation of the Sun's effect on Earth. They are seen as colorful displays ... full story

Kepler Proves It Can Still Find Planets

Dec. 18, 2014 — To paraphrase Mark Twain, the report of the Kepler spacecraft's death was greatly exaggerated. Despite a malfunction that ended its primary mission in May 2013, Kepler is still alive and working. The ... full story

Satellite Sees Holiday Lights Brighten Cities

Dec. 17, 2014 — Even from space, holidays shine bright. With a new look at daily data scientists have identified how patterns in nighttime light intensity change during major holiday seasons -- Christmas and New ... full story

Surprising Theorists, Stars Within Middle-Aged Clusters Are of Similar Age

Dec. 17, 2014 — An examination of middle-aged star clusters reveals an unexpectedly narrow age range among their stars, suggesting that large groups of stars evolve differently than previously ... full story

'Perfect Storm' Quenching Star Formation Around a Supermassive Black Hole

Dec. 17, 2014 — Astronomers have discovered that modest black holes can shut down star formation by producing turbulence. High-energy jets powered by supermassive black holes can blast away a galaxy's star-forming ... full story

Taking the Grunt Work out of Web Development

Dec. 23, 2014 — A new programming language automatically coordinates interactions between Web page components. The language is called Ur/Web, and it lets developers write Web applications as self-contained programs. ... full story

Dirty Pool: Soil's Large Carbon Stores Could Be Freed by Increased CO2, Plant Growth

Dec. 23, 2014 — An increase in human-made carbon dioxide in the atmosphere could initiate a chain reaction between plants and microorganisms that would unsettle one of the largest carbon reservoirs on the planet -- ... full story

Mechanics of Cells' Long-Range Communication Modeled by Researchers

Dec. 23, 2014 — Interdisciplinary research is showing how cells interact over long distances within fibrous tissue, like that associated with many diseases of the liver, lungs and other organs. By developing ... full story

New Distance Rehabilitation System Developed for Patients With Heart Pathologies

Dec. 22, 2014 — A new distance heart rehabilitation system based on physical exercise routines for people affected by heart pathologies has been developed by researchers. The system is designed for both chronic ... full story

Ecosystems Need Math Not Random Nature to Survive

Dec. 22, 2014 — A previously unknown mathematical property has been found to be behind one of nature’s greatest mysteries – how ecosystems ... full story

Atom-Thick CCD Could Capture Images

Dec. 19, 2014 — An atomically thin material may lead to the thinnest-ever imaging platform. Synthetic two-dimensional materials based on metal chalcogenide compounds could be the basis for superthin ... full story

Cheaper 3-D Virtual Reality System: Powerful Enough for a Gamer, Made for an Engineer

Dec. 19, 2014 — It's like a scene from a gamer's wildest dreams: 12 high-definition, 55-inch 3-D televisions all connected to a computer capable of supporting high-end, graphics-intensive gaming. On the massive ... full story

Breakthrough in Optical Fiber Communications

Dec. 19, 2014 — Researchers from the University of Southampton have revealed a breakthrough in optical fiber communications. They developed an approach that enables direct modulation of laser currents to be used to ... full story

Physicists Characterize Electronic, Magnetic Structure in Transition Metal Oxides

Dec. 18, 2014 — Scientists have characterized the electronic and magnetic structure in artificially synthesized materials called transition metal ... full story

Instant-Start Computers Possible With New Breakthrough

Dec. 18, 2014 — If data could be encoded without current, it would require much less energy and make things like low-power, instant-on computing a ubiquitous reality. Scientists have made a breakthrough in that ... full story

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Christmas Colors Disguise Gliding Lizards in the Rainforest

Dec. 24, 2014 — By mimicking the red and green colors of falling leaves, Bornean lizards avoid falling prey to birds whilst gliding, new research has ... full story

Ants Show Left Bias When Exploring New Spaces

Dec. 24, 2014 — Unlike Derek Zoolander, ants don't have any difficulty turning left. New research has found that the majority of rock ants instinctively go left when entering unknown spaces. Around ten percent of ... full story

European Fire Ant Impacts Forest Ecosystems by Helping Alien Plants Spread

Dec. 24, 2014 — An invasive ant species that has become increasingly abundant in eastern North America not only takes over yards and delivers a nasty sting, it's helping the spread of an invasive plant species. The ... full story

The Ants That Conquered the World

Dec. 24, 2014 — About one tenth of the world's ants are close relatives; they all belong to just one genus out of 323, called Pheidole. New research suggests that Pheidole evolved the same way twice, once to take ... full story

What 'Fecal Prints' of Microbes Can Tell Us About Earth's Evolution

Dec. 23, 2014 — The distinctive “fecal prints” of microbes potentially provide a record of how Earth and life have co-evolved over the past 3.5 billion years as the planet’s temperature, oxygen levels, and ... full story

Genetic Study Sheds Light on How Mosquitoes Transmit Malaria

Dec. 23, 2014 — The genetic sequencing of 16 mosquitoes (Anopheles genus) -- the sole carriers of human malaria -- has been determined by an international team of researchers, providing new insight into how they ... full story

Bacteria Could Be Rich Source for Making Terpenes

Dec. 23, 2014 — Bacteria could be a rich source of terpenes, the natural compounds common in plants and fungi that are used to make drugs, food additives, perfumes, and other products, a new study suggests. The work ... full story

Newly Discovered Assassin Bug Was Incognito, but Now It's Incognita

Dec. 23, 2014 — A North American assassin bug that has remained hidden for over 100 years has been determined to be a new species. The new bug, Sinea incognita, is described in a new ... full story

Drought Causes Birds to Nest Later, Reducing Nesting Success

Dec. 22, 2014 — Drought conditions are delaying nesting by two weeks or more for some Sonoran Desert bird species, such as Black-tailed Gnatcatchers and Verdins, new research has found. Despite recent rainfall, ... full story

Muddy Forests, Shorter Winters Present Challenges for Loggers

Dec. 22, 2014 — The period of frozen ground has declined by an average of two or three weeks since 1948, research shows. During that time, wood harvests have shifted in years with more variability in freezing and ... full story

Study Pumps Up the Volume on Understanding of Marine Invertebrate Hearing

Dec. 22, 2014 — Noise pollution in the ocean is increasingly recognized as harmful to marine mammals, affecting their ability to communicate, find mates, and hunt for food. But what impact does noise have on ... full story

Distribution of Fish on Northeast US Shelf Influenced by Both Fishing, Climate

Dec. 22, 2014 — Scientists studying the distribution of four commercial and recreational fish stocks in Northeast US waters have found that climate change can have major impacts on the distribution of fish, but the ... full story

Shape-Shifting May Help Some Species Cope With Climate Change

Dec. 22, 2014 — Researchers have found that a Rocky Mountain mustard plant alters its physical appearance and flowering time in response to different environmental conditions, suggesting some species can quickly ... full story

Methane Is Leaking from Permafrost Offshore Siberia

Dec. 22, 2014 — Images of craters on Yamal Peninsula, caused by collapsing permafrost, have become world famous. But did you know that this permafrost extends to the ocean floor? And it is ... full story

Alaska Fish Adjust to Climate Change by Following the Food

Dec. 20, 2014 — Not all species may suffer from climate change. A new analysis shows that Dolly Varden, a species of char common in southeast Alaska, adjust their migrations so they can keep feasting on a key food ... full story

Trade Winds Ventilate the Tropical Oceans: Explanation for Increasing Oxygen Deficiency

Dec. 20, 2014 — Long-term observations indicate that the oxygen minimum zones in the tropical oceans have expanded in recent decades. The reason is still unknown. Now scientists have found an explanation with the ... full story

Microplastics in the Ocean: Biologists Study Effects on Marine Animals

Dec. 20, 2014 — Ingestion of microplastic particles does not mechanically affect marine isopods, according to new research. The study marks the launch of a series of investigations aimed at forming a risk matrix on ... full story

New Species Found in the Deepest Trench on Earth

Dec. 20, 2014 — Researchers have returned from the first detailed study of the Mariana Trench aboard Schmidt Ocean Institute's research vessel Falkor. The expedition set many new records, including the deepest rock ... full story

Europe Shows That Humans and Large Predators Can Share the Same Landscape

Dec. 19, 2014 — The recovery of large carnivores in Europe is a great success for nature conservation. At one third of mainland Europe, at least one species of large carnivore is present, according to a new article. ... full story

Yellowstone's Thermal Springs: Their Colors Unveiled

Dec. 19, 2014 — Researchers have created a simple mathematical model based on optical measurements that explains the stunning colors of Yellowstone National Park’s hot springs and can visually recreate how they ... full story

Shedding New Light on Diet of Extinct Animals

Dec. 22, 2014 — A study of tooth enamel in mammals living today in the equatorial forest of Gabon could ultimately shed light on the diet of long extinct animals, according to new research. The researchers found ... full story

A Clear, Molecular View of How Human Color Vision Evolved

Dec. 18, 2014 — Many genetic mutations in visual pigments, spread over millions of years, were required for humans to evolve from a primitive mammal with a dim, shadowy view of the world into a greater ape able to ... full story

New, Tighter Timeline Confirms Ancient Volcanism Aligned With Dinosaurs' Extinction

Dec. 18, 2014 — A definitive geological timeline shows that a series of massive volcanic explosions 66 million years ago played a role in the extinction event that claimed Earth's non-avian dinosaurs, and challenges ... full story

550-Million-Year-Old Fossils Provide New Clues About Fossil Formation

Dec. 18, 2014 — A new study is challenging accepted ideas about how ancient soft-bodied organisms become part of the fossil record. Findings suggest that bacteria involved in the decay of those organisms play an ... full story

Archaeologists Unearth Royal Entry Complex at Herodian Hilltop Palace

Dec. 18, 2014 — Archaeologists have unearthed a unique royal entryway to the Herodian Hilltop Palace. The main feature is a 20-meter-high corridor with a complex system of arches, allowing the King and his entourage ... full story

Using Power of Computers to Harness Human Genome May Provide Clues Into Ebola Virus

Dec. 18, 2014 — New work is blending the power of computers with biology to use the human genome to remove much of the guesswork involved in discovering cures for diseases. A corresponding article describes how key ... full story

Short-Necked Triassic Marine Reptile Discovered in China

Dec. 17, 2014 — A new species of short-necked marine reptile from the Triassic period has been discovered in ... full story

Ancient, Hydrogen-Rich Waters Deep Underground Around the World: Waters Could Support Isolated Life

Dec. 17, 2014 — A team of scientists has mapped the location of hydrogen-rich waters found trapped kilometers beneath Earth's surface in rock fractures in Canada, South Africa and Scandinavia. Common in Precambrian ... full story

Asteroid That Wiped out Dinosaurs May Have Nearly Knocked Off Mammals, Too

Dec. 17, 2014 — The classic story is that mammals rose to dominance after the dinosaurs went extinct, but a new study shows that some of the most common mammals living alongside dinosaurs, the metatherians, extinct ... full story

Ancient Earth May Have Made Its Own Water: Rock Circulating in Mantle Feeds World's Oceans Even Today, Evidence Suggests

Dec. 17, 2014 — In a finding that meshes well with recent discoveries from the Rosetta mission, researchers have discovered a geochemical pathway by which Earth makes it own water through plate tectonics. This ... full story

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Greater Risk of Premature Deaths in Neighborhoods With High Concentrations of Check-Cashing Places

Dec. 23, 2014 — A new research paper suggests a relation between the density of both check-cashing places and alcohol outlets in a given neighborhood and the risk of premature death in people ages 20-59 years. The ... full story

New Concussion Laws Result in Big Jump in Concussion Treatment

Dec. 22, 2014 — New laws regulating concussion treatment, bolstered by heightened public awareness, have resulted in a large increase in the treatment of concussion-related injuries for school-age athletes. Since ... full story

Disadvantaged Men More Likely to Do 'Women's Work' Reveals New Study

Dec. 22, 2014 — Men who are disabled and from an ethnic minority are significantly more likely to do jobs traditionally associated with women, a new study show. The work analyzed the workforce across the lowest ... full story

Concerns Raised About Variable Performance of Some UK Personal Use Breathalyzers

Dec. 20, 2014 — The ability of some breathalyzers widely sold to the UK public to detect potentially unsafe levels of breath alcohol for driving, varies considerably, reveals research. The findings call into ... full story

Parents' BMI Decreases With Child Involved in School-Based, Community Obesity Intervention

Dec. 19, 2014 — Parents of children involved in an elementary school-based community intervention to prevent obesity appear to share in its health benefits. A new analysis shows an association between being exposed ... full story

High Socioeconomic Status Increases Discrimination, Depression Risk in Black Young Adults

Dec. 18, 2014 — An investigation into factors related to disparities of depression in young adults has found that higher parental education -- which has a protective effect for white youth -- can also increase the ... full story

Don't Be Tempted to Buy Your Teen a Cheap (Old) Car, Parents Warned

Dec. 18, 2014 — Almost half of teen drivers killed on US roads in the past few years were driving vehicles that were 11 or more years old, and often lacking key safety features, reveals research. Parents, who are ... full story

Local Enforcement of Federal Immigration Laws Affects Immigrant Hispanics' Healthcare

Dec. 18, 2014 — State and local enforcement of federal immigration laws can have an adverse impact on the use of health care services by immigrant Hispanics, according to a new study, which analyzed both birth ... full story

Doctor Who Survived Ebola Received Experimental Drug Treatment

Dec. 18, 2014 — On 28 September, 2014, the 38-year old doctor, who was in charge of an Ebola virus treatment unit in Lakka, Sierra Leone, developed a fever and diarrhea. He tested positive for the virus on the same ... full story

Bacterial Infections Differ Based on Geography, Healthcare Spending

Dec. 18, 2014 — Bacterial infections differ based on distance from the equator and spending on health care, researchers have discovered. In their study, 23 health centers on six continents participated in study of ... full story

How Information Moves Between Cultures

Dec. 16, 2014 — Networks that map strength of connections between languages predict global influence of their speakers. By analyzing data on multilingual Twitter users and Wikipedia editors and on 30 years' worth of ... full story

Introverts Could Shape Extroverted Co-Workers' Career Success, Study Shows

Dec. 16, 2014 — Introverted employees are more likely to give low evaluations of job performance to extroverted co-workers, giving introverts a powerful role in workplaces, new research shows. Introverts ... full story

Fraud-Proof Credit Cards Possible With Quantum Physics

Dec. 15, 2014 — Though corporations and individuals work to improve safeguards, it has become increasingly difficult to protect financial data and personal information from criminal activity. Fortunately, new ... full story

Many U.S. Workers Are Sacrificing Sleep for Work

Dec. 11, 2014 — An analysis of 124,000 responses to a survey shows that paid work time is the primary waking activity exchanged for sleep. The study also suggests that chronic sleep loss potentially could be ... full story

Limiting Internet Congestion a Key Factor in Net Neutrality Debate

Dec. 10, 2014 — If Internet Service Providers known as ISPs initiate price discrimination in their pricing, a “recongestion effect” will occur. In other words, online delivery channels that are less congested at ... full story

Wealth, Power or Lack Thereof at Heart of Many Mental Disorders

Dec. 9, 2014 — Donald Trump's ego may be the size of his financial empire, but that doesn't mean he's the picture of mental health. The same can be said about the self-esteem of people who are living from paycheck ... full story

Maintaining a Reliable Value of the Cost of Climate Change

Dec. 4, 2014 — The Social Cost of Carbon puts a dollar value on the climate damages per ton of CO2 released, and is used by -- among others -- policymakers to help determine the costs and benefits of climate ... full story

Occupational Sitting Among Women Linked to Obesity

Dec. 1, 2014 — You might want to stand up for this. Occupational sitting is associated with an increased likelihood of obesity, especially among black women, independent of occupational and leisure time physical ... full story

Bitcoin, Virtual Money: User's Identity Can Be Revealed Much Easier Than Thought

Nov. 25, 2014 — Bitcoin is the new money: minted and exchanged on the Internet. Faster and cheaper than a bank, the service is attracting attention from all over the world. But a big question remains: are the ... full story

Entrepreneurs Are Not Corporate Rebels: High Performers More Likely to Set Off on Own Without Path

Nov. 24, 2014 — Considering leaving the 9-to-5 world of corporate life behind to strike out on your own? When we think of entrepreneurship, we typically imagine a life of untold riches and the satisfaction of being ... 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

Cognitive Training Can Improve Brain Performance of Students in Poverty

Dec. 10, 2014 — The cognitive effects of poverty can be mitigated during middle school with a targeted intervention, according to researchers who, for the first time, examined the efficacy of cognitive training in a ... full story

Distraction, If Consistent, Does Not Hinder Learning

Dec. 9, 2014 — A new study challenges the idea that distraction is necessarily a problem for learning. Researchers found that if attention was as divided during recall of a motor task as it was during learning the ... full story

Ideals May Play Role in Knowledge Formation, Professor's Research Says

Dec. 2, 2014 — Research by a professor of philosophy indicates that having an ideal can play a role in acquiring new information that makes our beliefs ... full story

Heavier Newborns Show Academic Edge in School

Dec. 2, 2014 — Birth weight makes a difference to a child's future academic performance, according to new research that found heavier newborns do better in elementary and middle school than infants with lower birth ... full story

It's Mean Boys, Not Mean Girls, Who Rule at School, Study Shows

Dec. 1, 2014 — Debunking the myth of the 'mean girl,' new research has found that boys use relational aggression -- malicious rumors, social exclusion and rejection -- to harm or manipulate others more often than ... full story

Education Is Key to Climate Adaptation

Nov. 27, 2014 — According to new research, education makes people less vulnerable to natural disasters such as floods, landslides, and storms that are expected to intensify with climate ... full story

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