Today's Science News

Thursday, March 26, 2015

Featured Research

from universities, journals, and other organizations

Common Bacteria on Verge of Becoming Antibiotic-Resistant Superbugs

Mar. 25, 2015 — Antibiotic resistance is poised to spread globally among bacteria frequently implicated in respiratory and urinary infections in hospital settings, according to new research. The study shows that two ... full story

Thousands of Atoms Entangled With a Single Photon

Mar. 25, 2015 — Physicists have developed a new technique that can successfully entangle 3,000 atoms using only a single photon. The results represent the largest number of particles that have ever been mutually ... full story

Supermassive Black Hole Clears Star-Making Gas from Galaxy's Core

Mar. 25, 2015 — A new study provides the first observational evidence that a supermassive black hole at the center of a large galaxy can power huge, wide-angled outpourings of material from deep inside the ... full story

Complex Genetic Ancestry of Americans Uncovered: Genetic Fingerprints of Slave Trade and Colonization

Mar. 24, 2015 — By comparing the genes of current-day North and South Americans with African and European populations, a study has found the genetic fingerprints of the slave trade and colonization that shaped ... full story

Tiny Bio-Robot Is a Germ Suited-Up With Graphene Quantum Dots

Mar. 24, 2015 — Researchers have created an electromechanical device -- a humidity sensor -- on a bacterial spore. Like other first-generation bio-robots, the new nanobot is a far cry from Robocop. It's a ... full story

How Lifeforms Know to Be the Right Size: Fruit Fly Study Reveals New Clues

Mar. 26, 2015 — In a new study, scientists are asking how life forms grow to be the correct size with proportional body parts. Probing deeply into genetics and biology at the earliest moments of embryonic ... full story

Ancient Martian Lake System Records Two Water-Related Events

Mar. 25, 2015 — Researchers have completed a new analysis of an ancient Martian lake system in Jezero Crater, near the planet's equator. The study finds that the onslaught of water that filled the crater was ... full story

A Mile Deep, Ocean Fish Facing Health Impacts from Human Pollution

Mar. 25, 2015 — Deep-water marine fish living on the continental slopes at depths from 2,000 feet to one mile have liver pathologies, tumors and other health problems that may be linked to human-caused pollution, ... full story

More Big Storms Increase Tropical Rainfall Totals

Mar. 25, 2015 — Increasing rainfall in certain parts of the tropics, colloquially described as the wet get wetter and warm get wetter, has long been a projection of climate change. Now observations have shown that ... full story

Two Most Destructive Termite Species Forming Superswarms in South Florida

Mar. 25, 2015 — Two of the most destructive termite species in the world are swarming together in South Florida. They might mate, forming a hybrid, and that worries the UF/IFAS scientists who found the ... full story

New Form of Ice: Square Ice Filling for a Graphene Sandwich

Mar. 25, 2015 — Water exists in myriad forms, and for poets and scientists alike this structurally simple yet at the same time behaviourally complex molecule never fails to fascinate. In our everyday lives we are ... full story

A New Spin on Saturn's Peculiar Rotation

Mar. 25, 2015 — The precise measurement of Saturn's rotation has presented a great challenge to scientists, as different parts of this sweltering ball of hydrogen and helium rotate at different speeds whereas ... full story

Leaders and Their Followers Tick in Sync

Mar. 24, 2015 — Great leaders are often good communicators. In the process of communication, the relationship between leaders and their followers develops spontaneously, according to new research. When a member ... full story

Unexplained Warm Layer Discovered in Venus' Atmosphere

Mar. 25, 2015 — Scientists have found a warm layer in Venus' atmosphere, the nature of which is still unknown. The researchers made the discovery when compiling a temperature map of the upper atmosphere on the ... full story

Explosions of Jupiter's Aurora Linked to Extraordinary Planet-Moon Interaction

Mar. 25, 2015 — New observations of the planet's extreme ultraviolet emissions show that bright explosions of Jupiter's aurora likely also get kicked off by the planet-moon interaction, not by solar ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

The Salton Sea: A Time-Bomb Amid California Drought

The Salton Sea: A Time-Bomb Amid California Drought

AFP (Mar. 25, 2015) — Salton Sea is California's biggest lake, appearing after a 1905 irrigation accident in the middle of the desert. But the salty, toxic water is slowly disappearing, leaving behind abandoned resorts and a looming environmental disaster. Duration: 02:38 Video provided by AFP
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Giant Triassic Salamander Acted More Like A Crocodile

Giant Triassic Salamander Acted More Like A Crocodile

Newsy (Mar. 24, 2015) — An ancient crocodile-like salamander more than 10 times the average size of its modern-day counterparts has been discovered in Portugal. Video provided by Newsy
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Scientists Add Woolly Mammoth DNA To Elephant Cells

Scientists Add Woolly Mammoth DNA To Elephant Cells

Newsy (Mar. 23, 2015) — A group of Harvard researchers have been working on this project for a while, but it's not without critics. Video provided by Newsy
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A Quick 45-Minute Nap Can Improve Your Memory

A Quick 45-Minute Nap Can Improve Your Memory

Newsy (Mar. 23, 2015) — Researchers found those who napped for 45 minutes to an hour before being tested on information recalled it five times better than those who didn't. Video provided by Newsy
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last updated on 2015-03-26 at 3:13 pm EDT

jump to:    Health  |  Tech  |  Enviro  |  Society

Research Aims to Reduce Health Care Disparities

Mar. 26, 2015 — The lesbian, gay, bisexual, transgender/transsexual, queer/questioning and intersex (LGBTQI) population has been largely understudied by the medical community. Researchers found that the LGBTQI ... full story

Study Adds Evidence on Link Between PTSD, Heart Disease

Mar. 26, 2015 — In a study of more than 8,000 veterans in Hawaii and the Pacific Islands, those with posttraumatic stress disorder had a nearly 50 percent greater risk of developing heart failure. The study adds to ... full story

Medulloblastoma: Promising Drug Target Identified

Mar. 26, 2015 — A protein has been found that is critical to both the normal development of the brain and, in many cases, the development of medulloblastoma, a fast-growing brain tumor that usually strikes children ... full story

Photosynthesis Hack Is Needed to Feed the World by 2050

Mar. 26, 2015 — Using high-performance computing and genetic engineering to boost the photosynthetic efficiency of plants offers the best hope of increasing crop yields enough to feed a planet expected to have 9.5 ... full story

Sea Slug Provides New Way of Analyzing Brain Data

Mar. 26, 2015 — Scientists say our brains may not be as complicated as we once thought -- and they're using sea slugs to prove it. “This research introduces new methods for pulling apart neural circuits to expose ... full story

Fitness Level Associated With Lower Risk of Some Cancers, Death in Men

Mar. 26, 2015 — Men with a high fitness level in midlife appear to be at lower risk for lung and colorectal cancer, but not prostate cancer, and that higher fitness level also may put them at lower risk of death if ... full story

Novel Nanoparticle Therapy Promotes Wound Healing

Mar. 26, 2015 — An experimental therapy successfully tested in mice cut in half the time it takes to heal wounds compared to no treatment at all. "We envision that our nanoparticle therapy could be used to speed the ... full story

Testosterone Needs Estrogen's Help to Inhibit Depression

Mar. 26, 2015 — In popular culture, the phrase "battle of the sexes" seems to pit the male hormone (testosterone) against the female (estrogen). Now a researcher has documented a way in which the two hormones work ... full story

How the Human Immune System Keeps TB at Bay

Mar. 26, 2015 — A new tissue culture model using human white blood cells shows how people with a latent -- or symptom-free -- tuberculosis infection are protected from active disease by a critical early step in ... full story

Roseroot Herb Shows Promise as Potential Depression Treatment Option

Mar. 26, 2015 — Rhodiola rosea (R. rosea), or roseroot, may be a beneficial treatment option for major depressive disorder (MDD), according to results of a study. Depression is one of the most common and ... full story

Crossing Fingers Can Reduce Feelings of Pain

Mar. 26, 2015 — How you feel pain is affected by where sources of pain are in relation to each other, and so crossing your fingers can change what you feel on a single finger, finds new research. "Many people suffer ... full story

Thin Air, High Altitudes Cause Depression in Female Rats

Mar. 26, 2015 — Oxygen intake contributes to depression, scientists have surmised after a study shows that thin air and high altitudes causes depression in female rats. "The significance of this animal study is that ... full story

One in Four High School Seniors Now Try Smoking Water Pipes

Mar. 26, 2015 — Despite declines in the number of youths who smoke cigarettes, hookah or water pipe use continues to rise among Canadian youth, a new study reports. The study found that almost one in four high ... full story

Discovering Age-Specific Brain Changes in Autism

Mar. 26, 2015 — Individuals with autism spectrum disorder exhibit different patterns of brain connectivity when compared to typically developing individuals, scientists report, and those patterns adjust as the ... full story

High-Fat Diet Alters Behavior and Produces Signs of Brain Inflammation

Mar. 26, 2015 — Can the consumption of fatty foods change your behavior and your brain? High-fat diets have long been known to increase the risk for medical problems, including heart disease and stroke, but there is ... full story

Blood Test May Shed New Light on Fragile X Related Disorders

Mar. 26, 2015 — A blood test may shed new light on Fragile X syndrome related disorders in women, according to a new study. Fragile X is the most common inherited form of intellectual disability and the most ... full story

New Score Predicts Heart Disease and Stroke Risk for Anyone in World Aged Over 40

Mar. 25, 2015 — For the first time, scientists have developed a new risk score that can predict the 10-year risk of developing heart disease or having a stroke in persons aged 40 years or older in any world ... full story

Just Slip out the Back, Jack: Are Humans Hardwired to Break-Up and Move On?

Mar. 25, 2015 — When it comes to romantic relationships, a research review article suggests humans are wired to break-up and move on. Drawing largely upon the field of evolutionary psychology, they say men and women ... full story

Sleep Loss Tied to Emotional Reactions

Mar. 25, 2015 — A new book summarizes research on the interplay of sleep and various components of emotion and affect that are related to mood disorders, anxiety disorders, bipolar disorder and ... full story

Carbon Nanotube Fibers Make Superior Links to Brain

Mar. 25, 2015 — Carbon nanotube fibers may provide the best way to communicate directly with the brain. The research could enable new strategies for treating neurological disorders like Parkinson's, investigators ... full story

The Mediterranean Diet Is Not Only Healthier, It Also Pollutes Less

Mar. 26, 2015 — The health benefits of the Mediterranean diet are well-known. As well as being healthier, a recent article concludes that the menu traditionally eaten in Spain leaves less of a carbon footprint than ... full story

Metabolic Imbalance Increases Risk of Respiratory Diseases in Childhood

Mar. 26, 2015 — An imbalance in our metabolism can trigger inflammatory processes in the body and activate the immune system. In a recent study, researchers have been able to show that this applies even to newborns ... full story

Position Statement on Non-Invasive Prenatal Screening Issued

Mar. 25, 2015 — Two professional societies of human geneticists have issued a position statement on the promise and challenges of non-invasive prenatal testing, a procedure to test blood drawn from pregnant mothers ... full story

Autistic Children More Likely to Have GI Issues in Early Life

Mar. 25, 2015 — Children with autism spectrum disorder were two-and-a-half times more likely to have persistent gastrointestinal symptoms as infants and toddlers than children with typical development, researchers ... full story

Education May Not Improve Our Life Chances of Happiness

Mar. 25, 2015 — Getting a good education may not improve your life chances of happiness, according to new mental health ... full story

HBV Exposure Matures Infants' Immune Systems

Mar. 25, 2015 — Hepatitis B Virus Infection exposure increases the immune system maturation of infants, which may give a better survival advantage to counteract bacterial infection during early life, a new study ... full story

Prenatal Exposure to Common Air Pollution Linked to Cognitive, Behavioral Impairment

Mar. 25, 2015 — A powerful relationship between prenatal polycyclic aromatic hydrocarbon (PAH) exposure and disturbances in parts of the brain that support information processing and behavioral control have been ... full story

Pregnant Women Not Getting Enough Omega-3, Critical for Infant Development, Research Shows

Mar. 25, 2015 — A research team studied the first 600 women in a cohort during and after their pregnancy to see whether they were consuming enough omega-3 long chain polyunsaturated fatty acids (omega 3-LCPUFA) to ... full story

Perceived Open-Mindedness Explains Religion-Based Dating

Mar. 25, 2015 — Across a number of faiths and cultures, people tend to date and marry others who share their religious beliefs. Now, new psychology research suggests this phenomenon -- known as 'religious homogamy' ... full story

Baseball Injuries: Majority of Parents Unaware of Safe Pitching Practices

Mar. 25, 2015 — A new study found that 53 percent of the parents/caregivers of youth baseball pitchers are unaware of safe pitching practices designed to prevent overuse injuries -- common tears or damage, most ... full story

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Nanofibers Twisted Together to Create Structures Tougher Than Bullet Proof Vests

Mar. 26, 2015 — Researchers have created materials that exploit the electromechanical properties of specific nanofibers to stretch to up to seven times their length, while remaining tougher than ... full story

Building Sound Foundations: A Matter of Granular Dynamics

Mar. 26, 2015 — Applying the hydrodynamics approach to granular matter helps explain its wide range of behavior, regardless of whether the material is solid- or fluid-like. Sand, rocks, grains, salt or sugar are ... full story

Agricultural Waste Could Be Used as Biofuel

Mar. 26, 2015 — Straw-powered cars could be a thing of the future thanks to new research. A new study pinpoints five strains of yeast capable of turning agricultural by-products, such as straw, sawdust and corncobs, ... full story

Novel Plastic Could Spur New Green Energy Applications, 'Artificial Muscles'

Mar. 26, 2015 — A plastic used in filters and tubing has an unusual trait: It can produce electricity when pulled or pressed. This ability has been used in small ways, but now researchers are coaxing fibers of it to ... full story

Behind the Dogmas of Good Old Hydrodynamics

Mar. 25, 2015 — A new theory, which gives new insights into the transport of liquid flowing along the surface under applied electric field, has been developed. It may be used in the future in research in physics, ... full story

Desalination With Nanoporous Graphene Membrane

Mar. 25, 2015 — Desalination is an energy-intensive process, which concerns those wanting to expand its application. Now, a team of experimentalists has demonstrated an energy-efficient desalination technology that ... full story

Mitigating Reptile Road Mortality

Mar. 25, 2015 — Ecopassages may be less effective reptile road mortality mitigation tools when fences fail to keep reptiles from accessing the ... full story

Rare-Earth Innovation to Improve Nylon Manufacturing

Mar. 25, 2015 — Scientists have created a new chemical process that makes use of the widely available rare-earth metal cerium to improve the manufacture of ... full story

Nanorobotic Agents Open the Blood-Brain Barrier, Offering Hope for New Brain Treatments

Mar. 25, 2015 — Magnetic nanoparticles can open the blood-brain barrier and deliver molecules directly to the brain, say researchers. This barrier runs inside almost all vessels in the brain and protects it from ... full story

Goodbye to Sunburn Thanks to Sunburn Indicator

Mar. 25, 2015 — Sunbathers could soon tell when to take shelter in the shade thanks to an early warning sunburn indicator. Researchers have developed a strip of plastic, containing 'smart' ink, which turns ... full story

Best View Yet of Dusty Cloud Passing Galactic Center Black Hole

Mar. 26, 2015 — The best observations so far of the dusty gas cloud G2 confirm that it made its closest approach to the supermassive black hole at the centre of the Milky Way in May 2014 and has survived the ... full story

Did Mars Once Have a Nitrogen Cycle? Scientists Find Fixed Nitrogen in Martian Sediments

Mar. 25, 2015 — Scientists have found fixed forms of nitrogen in Mars. This suggests that there may have been a nitrogen cycle sometime in Mars' past. The detection has been verified through analyses of samples ... full story

NASA Satellites Catch 'Growth Spurt' from Newborn Protostar

Mar. 24, 2015 — Using data from orbiting observatories and ground-based facilities, astronomers have discovered an outburst from a star thought to be in the earliest phase of its development. The eruption, ... full story

NASA Studies the Sun in Soft X-Rays

Mar. 24, 2015 — At any given moment, our sun emits a range of light waves far more expansive than what our eyes alone can see: from visible light to extreme ultraviolet to soft and hard X-rays. In 2012 and 2013, a ... full story

Automation Offers Big Solution to Big Data in Astronomy

Mar. 24, 2015 — The Square Kilometer Array, a radio telescope planned for Africa and Australia, will have an unprecedented ability to deliver data -- lots of data points, with lots of details -- on the location and ... full story

Wandering Jupiter Accounts for Our Unusual Solar System

Mar. 23, 2015 — Jupiter may have swept through the early solar system like a wrecking ball, destroying a first generation of inner planets before retreating into its current orbit, according to a new study. The ... full story

Best Look Yet at 'Warm Dense Matter' at Cores of Giant Planets

Mar. 23, 2015 — Scientists have precisely measured the temperature and structure of aluminum as it transitions into a superhot, highly compressed concoction known as "warm dense ... full story

Chemical Fingerprints of Ancient Supernovae Found

Mar. 23, 2015 — A search of nearby galaxies for their oldest stars has uncovered two stars in the Sculptor dwarf galaxy that were born shortly after the galaxy formed, approximately 13 billion years ago. The unusual ... full story

Colliding Stars Explain Enigmatic 17th Century Explosion

Mar. 23, 2015 — New observations made with APEX and other telescopes reveal that the star that European astronomers saw appear in the sky in 1670 was not a nova, but a much rarer, violent breed of stellar ... full story

World's Largest Asteroid Impacts Found in Central Australia

Mar. 23, 2015 — A 400-kilometer-wide impact zone from a huge meteorite that broke in two moments before it slammed into the Earth has been found in Central Australia. The crater from the impact millions of years ago ... full story

Robots on Reins Could Be the 'Eyes' of Firefighters

Mar. 25, 2015 — Firefighters moving through smoke-filled buildings could save vital seconds and find it easier to identify objects and obstacles, thanks to revolutionary reins that enable robots to act like guide ... full story

Concerns Over the Online Market of Human Breast Milk

Mar. 24, 2015 — The sale of human breast milk on the internet poses serious risks to infant health and needs urgent regulation, argue experts. Purchasing human breast milk on the internet can be cheaper than buying ... full story

Study Provides Academic Support for New Steve Jobs Portrayal

Mar. 24, 2015 — The new Steve Jobs biopic, 'Becoming Steve Jobs,' paints a picture of a less arrogant, humbler leader than previously thought. It portrays a softer side of Jobs that executives at Apple say is more ... full story

Why Some HPV Infections Go Away and Others Become Cancer

Mar. 24, 2015 — The body's ability to clear an infection by the cancer-causing human papilloma virus (HPV) may be largely due to unpredictable division patterns in HPV-infected stem cells, rather than the strength ... full story

'Goldilocks Material' Could Change Spintronics

Mar. 24, 2015 — Attempting to develop a novel type of permanent magnet, a team of researchers has discovered a new class of magnetic materials based on Mn-Ga alloys. Described as a zero-moment half metal, the new ... full story

Scientists Build a Nanolaser Using a Single Atomic Sheet

Mar. 24, 2015 — Scientists have built a new nanometer-sized laser using a semiconductor that's only three atoms thick. It could help open the door to next-generation computing that uses light, rather than electrons, ... full story

Building Shape Inspires New Material Discovery

Mar. 24, 2015 — Physicists inspired by the radical shape of a Canberra building have created a new type of material which enables scientists to put a perfect bend in light. The creation of a so-called topological ... full story

Artificial Hand Able to Respond Sensitively Thanks to Muscles Made from Smart Metal Wires

Mar. 24, 2015 — Engineers have taken a leaf out of nature's book by equipping an artificial hand with muscles made from shape-memory wire. The new technology enables the fabrication of flexible and lightweight robot ... full story

Supercomputers Give Universities a Competitive Edge

Mar. 23, 2015 — Researchers have long believed that supercomputers give universities a competitive edge in scientific research, but now they have some hard data showing it's true. Scientists have found that ... full story

Computer Programming: System Automatically Finds Common Type of Programming Bug

Mar. 23, 2015 — Integer overflows are one of the most common bugs in computer programs -- not only causing programs to crash but, even worse, potentially offering points of attack for malicious hackers. Computer ... full story

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Twice the Coral Trout in Great Barrier Reef Protected Zones

Mar. 26, 2015 — Coral trout in protected 'green zones' are not only bigger and more abundant than those in fished 'blue zones' of the Great Barrier Reef Marine Park, but they are also better able to cope with ... full story

A New Jumping Spider With Mating Plug Discovered from the 'Western Ghats'

Mar. 26, 2015 — Researchers have discovered a new species of jumping spider from 'Western Ghats' in southern India, one of the biodiversity hotspots of the world. The spider, which has been named as Stenaelurillus ... full story

Tasmania's Swift Parrot Set to Follow the Dodo

Mar. 26, 2015 — The iconic Tasmanian swift parrot is facing population collapse and could become extinct within 16 years, new research has found. Swift parrots are major pollinators of blue and black gum trees which ... full story

Flocks of Starlings Ride the Wave to Escape: Researchers Study Agitation Waves That Form When Flocks of Birds Dodge Predators

Mar. 26, 2015 — Why does it seem as if a dark band ripples through a flock of European starlings that are steering clear of a falcon or a hawk? It all lies in the birds' ability to quickly and repeatedly dip to one ... full story

Coorong Fish Hedge Their Bets for Survival

Mar. 26, 2015 — Analysis of the ear bones of the River Murray estuarine fish black bream has revealed how these fish 'hedge their bets' for population survival. Fish ear bones provide much information through ... full story

Just Right: A Spider's Tale of Finding the Perfect Sized Hole for Their Nest

Mar. 25, 2015 — A new study shows that southern house spiders are making size-related choices about holes and cavities in which to build their ... full story

30 New Species Discovered in Los Angeles in First-Ever Intensive Urban Biodiversity Survey

Mar. 25, 2015 — Thirty new insect species of the fly family Phoridae have been discovered in the LA region of California. Describing 30 species in a single paper is rare, but what's especially striking is that all ... full story

Climate Refuges Found Where Corals Survive, Grow

Mar. 25, 2015 — As rising ocean temperatures continue to fuel the disappearance of reef-building corals, a new study finds there may be some climate refuges where corals will survive in the ... full story

Lemur Teeth Help Take a Bite out of Madagascar's Mysteries

Mar. 25, 2015 — Research on lemurs' geographic mobility may help direct future conservation efforts on Madagascar. For centuries, scientists have marveled at Madagascar's lemur species, whose origins are unique to ... full story

Shell-Shocked: Ocean Acidification Likely Hampers Tiny Shell Builders in Southern Ocean

Mar. 25, 2015 — A ubiquitous type of phytoplankton -- tiny organisms that are the base of the marine food web -- appears to be suffering from the effects of ocean acidification caused by climate change. According to ... full story

Deadly Japan Earthquake and Tsunami Spurred Global Warming, Ozone Loss

Mar. 26, 2015 — Buildings destroyed by the 2011 Tohoku earthquake released thousands of tons of climate-warming and ozone-depleting chemicals into the atmosphere, according to a new ... full story

Coastal Property Values Could Erode If Nourishment Subsidies End

Mar. 25, 2015 — The value of many oceanfront properties on the East Coast could drop dramatically if Congress were to suddenly end federal beach nourishment subsidies. Values could fall by as much as 17 percent in ... full story

Study Maps Development One U. S. County at a Time

Mar. 25, 2015 — Researchers have developed a county-by-county map of the United States' "lower 48" that tells a story of land cover and development across the nation, and could provide a framework for planners and ... full story

Management of Peatlands Has Large Climate Impacts

Mar. 25, 2015 — Drainage and management of pristine peatlands increase greenhouse gas emissions into the atmosphere. A recent study, based on a new, wide data set collected from northern peatlands indicates that ... full story

A Difficult Climate: New Study Examines the Media's Response to the IPCC

Mar. 25, 2015 — A study has for the first time analyzed how Twitter, TV and newspapers reported the IPCC's climate evidence. Understanding how media coverage varies is important because people's knowledge and ... full story

Greenhouse Gases Unbalanced: How Human Intervention Changes Wetlands

Mar. 25, 2015 — Natural wetlands usually emit methane and sequester carbon dioxide. Anthropogenic interventions, in particular the conversion of wetlands for agriculture, result in a significant increase in carbon ... full story

Habitat Loss Threatens the World's Felids

Mar. 25, 2015 — Almost half of the 36 species of felids that live in the wild in the world are at threat, according to scientists. Yet the lack of studies regarding their main threat, the loss and fragmentation of ... full story

Algae from Clogged Waterways Could Serve as Biofuels and Fertilizer

Mar. 25, 2015 — Water-borne algal blooms from farm fertilizer runoff can destroy aquatic life and clog rivers and lakes, but scientists will report today that they are working on a way to clean up these ... full story

Air Pollution Linked to Increased Risk of Anxiety, Stroke

Mar. 24, 2015 — Air pollution is linked to a higher risk of stroke, particularly in developing countries, finds a study. In a second article, new research also shows that air pollution is associated with ... full story

Manganese Speeds Up Honey Bees

Mar. 24, 2015 — The industrial metal manganese, once scarce, is now ubiquitous in our environment. New work suggests that it addles honey bees, which often act as sentinel species for environmental contaminants, ... full story

Study Underscores Complexity of Geopolitics in the Age of the Aztec Empire

Mar. 25, 2015 — New findings from an international team of archaeological researchers highlight the complexity of geopolitics in Aztec era Mesoamerica and illustrate how the relationships among ancient states ... full story

Prehistoric Super Salamander Was Top Predator, Fossils Suggest

Mar. 24, 2015 — A previously undiscovered species of crocodile-like amphibian that lived during the rise of dinosaurs was among Earth's top predators more than 200 million years ago, a study shows. Palaeontologists ... full story

Archaeologists Discover Maya 'Melting Pot'

Mar. 23, 2015 — Archaeologists working in Guatemala has unearthed new information about the Maya civilization's transition from a mobile, hunter-gatherer lifestyle to a sedentary way of life. They have found ... full story

Ascension of Marine Diatoms Linked to Vast Increase in Continental Weathering

Mar. 23, 2015 — A team of researcher has used mathematical modeling to show that continental erosion over the last 40 million years has contributed to the success of diatoms, a group of tiny marine algae that plays ... full story

Key to the Long-Term Storage of Dissolved Organic Carbon in the Deep Ocean

Mar. 23, 2015 — Researchers have made strides in the understanding of the mechanisms governing the persistence of dissolved organic carbon for hundreds or thousands of years in the deep ocean. Most of this material ... full story

Archivists Unearth Rare First Edition of the 1815 'Map That Changed the World'

Mar. 23, 2015 — A rare early copy of William Smith’s 1815 Geological Map of England and Wales, previously thought lost, has been uncovered by Geological Society archivists. The new map has been digitized and made ... full story

Did a Volcanic Cataclysm 40,000 Years Ago Trigger the Final Demise of the Neanderthals?

Mar. 20, 2015 — The Campanian Ignimbrite (CI) eruption in Italy 40,000 years ago was one of the largest volcanic cataclysms in Europe and injected a significant amount of sulfur-dioxide (SO2) into the stratosphere. ... full story

International Study Raises Questions About Cause of Global Ice Ages

Mar. 20, 2015 — A new international study casts doubt on the leading theory of what causes ice ages around the world -- changes in the way the Earth orbits the sun. The researchers found that glacier movement in the ... full story

Prehistoric Stone Tools Bear 500,000-Year-Old Animal Residue

Mar. 19, 2015 — Among 500,000-year-old elephant remains at a Lower Paleolithic site in Revadim, Israel, archaeologists recently analyzed 'hand axes' and 'scrapers,' universally shaped and sized prehistoric stone ... full story

Men's Preference for Certain Body Types Has Evolutionary Roots

Mar. 19, 2015 — Prehistoric and evolutionary influences appear to shape men's expressed preference for women with a curvy ... full story

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The State of Vaccine Confidence: Early Results of a Vaccine Confidence Index

Mar. 25, 2015 — A new report examines global issues affecting confidence and hesitation about vaccines. The State of Vaccine Confidence Report analyzes some of the vaccine confidence issues that have occurred over ... full story

Work Site Wellness Centers Equate to Weight Loss and Health Care Savings, Expert Says

Mar. 25, 2015 — As employees and employers face higher health care costs, work site wellness are becoming increasingly more important to help control the costs of health care and encourage healthy lifestyle ... full story

Link Between Lifestyles of Indigenous Communities, Gut Microbial Ecologies Discovered

Mar. 25, 2015 — A strong association between the lifestyles of indigenous communities and their gut microbial ecologies (gut microbiome) has been discovered by researchers. This study that may have implications for ... full story

Pre-K Children Outpace Normal Expectations Through Kindergarten

Mar. 25, 2015 — Students who were enrolled in the NC Pre-K Program are making significant gains across all areas of learning through the end of kindergarten, according to a new ... full story

Use of Minimally Invasive Surgery Could Lower Health Care Costs by Hundreds of Millions a Year

Mar. 25, 2015 — A new analysis of surgical outcomes nationwide concludes that more use of minimally invasive surgery for certain common procedures can dramatically reduce post-operative complications and shave ... full story

Are Our Schools Damaging Children's Eyes?

Mar. 24, 2015 — Shockingly, research has shown a dramatic increase in the number of students leaving secondary school with short-sightedness, or myopia, and a new study suggests lighting in schools could be a ... full story

Epidemics: To Quarantine or Not to Quarantine

Mar. 24, 2015 — The decision to quarantine individuals or groups during epidemics is not an exact science and is open to various interpretations. Providing guiding principles, authors of a new study suggest the need ... full story

Disturbingly Little Known About Microbeads, Plastics in the Great Lakes

Mar. 24, 2015 — A New Democratic Party Member of Parliament is calling on the Canadian government to list microbeads, tiny plastic flakes used in cosmetics, as a potential toxic substance. Health Canada claims the ... full story

More Schools, More Challenging Assignments Add Up to Higher IQ Scores

Mar. 24, 2015 — More schooling -- and the more mentally challenging problems tackled in those schools -- may be the best explanation for the dramatic rise in IQ scores during the past century, often referred to as ... full story

Looking for Happiness in All the Wrong Places

Mar. 24, 2015 — Everyone knows that money can’t buy happiness – but what might make rich people happier is revealed in a new article. Numerous studies have already shown that people who are more materialistic ... full story

High-Energy TV Commercials: Too Much Stress for Consumers?

Mar. 24, 2015 — Consumers are tuning out TV commercials, making advertisers run louder, higher-energy ads to force their attention. This may be backfiring critically when consumers are watching sad or relaxing ... full story

Apple of the Mind's Eye: How Good Is Our Memory of Everyday Visual Stimuli?

Mar. 20, 2015 — In our world of branding and repetitive advertising, it is feasible that we dutifully soak up visuals and messages and store them accurately in our mind’s eye. New research tests this theory by ... full story

The Cost of Dominance: Aggressively Pursuing Higher Social Status May Exact a Toll on Health

Mar. 19, 2015 — Researchers conducted four studies to gauge the health effects of the hostile-dominant personality style compared with the warm-dominant style. Their findings are bad news for aggressive ... full story

New Optical Materials Break Digital Connectivity Barriers

Mar. 18, 2015 — In our increasingly networked world, we need much faster computer components to support enormous amounts of data transfer and data processing. A new study finds that new optical materials could serve ... full story

New Work Schedule Could Cure Your 'Social Jetlag'

Mar. 12, 2015 — Many of us are walking around all the time in a fog caused by 'social jetlag.' That's what happens when we lose sleep because our daily schedules don't match our bodies' natural rhythms. The ... full story

'Sugar Papers' Reveal Industry Role in 1970s U.S. National Caries Program, Analysis Shows

Mar. 10, 2015 — A newly discovered cache of industry documents reveals that the sugar industry worked closely with the National Institutes of Health in the 1960s and '70s to develop a federal research program ... full story

New Model of Cybercrime Factors in Perishability of Stolen Data

Mar. 10, 2015 — A new model examining cybercrimes adds an important way of examining the perishable value of stolen data so policy makers can plan against future hacks like the recent Anthem data breach, according ... full story

Being 'Laid Off' Leads to a Decade of Distrust

Mar. 10, 2015 — People who lose their jobs are less willing to trust others for up to a decade after being laid-off, according to new research. The author finds that being made redundant from your job not only makes ... full story

March Madness Brackets: Flipping a Coin Is Your Best Bet

Mar. 10, 2015 — Each year, millions of people lose billions of dollars in NCAA March Madness basketball pools. Still, most return the following year for another ... full story

Content Creators Leave Social Networks When Messaging Gets Too Easy

Mar. 9, 2015 — It's not much harder or more expensive to send a tweet or a Facebook post to hundreds or even thousands of people than to just a handful. So you'd think that the ease of communicating with lots of ... full story

After Learning New Words, Brain Sees Them as Pictures

Mar. 24, 2015 — When we look at a known word, our brain sees it like a picture, not a group of letters needing to be processed. That's the finding from a new study that shows the brain learns words quickly by tuning ... full story

IQ of Children in Better-Educated Households Is Higher

Mar. 24, 2015 — A study comparing the IQs of male siblings in which one member was reared by biological parents and the other by adoptive parents found that the children adopted by parents with more education had ... full story

How Much Math, Science Homework Is Too Much?

Mar. 23, 2015 — When it comes to adolescents with math and science homework, more isn't necessarily better -- an hour a day is optimal -- but doing it alone and regularly produces the biggest knowledge gain, ... full story

Kindergarten and Crime: Students Who Started School Later More Likely to Drop Out, Commit Crimes

Mar. 19, 2015 — Children who are older when they start kindergarten do well in the short term, academically and socially. But as teenagers, these old-for-grade students are more likely to drop out and commit serious ... full story

Robot Model for Infant Learning Shows Bodily Posture May Affect Memory and Learning

Mar. 18, 2015 — Using both robots and infants, a cognitive scientist and collaborators have found that posture is critical in the early stages of acquiring new knowledge. "This study shows that the body plays a role ... full story

Flawed IQ Scoring System: Important Difference in American, Canadian Scoring Systems

Mar. 17, 2015 — Scientists have uncovered anomalies and issues with the Wechsler Adult Intelligence Scale-Fourth Edition, one of the most widely used intelligence tests in the world. IQ scores are used to predict ... full story

Autism Risk Genes Also Linked to Higher Intelligence

Mar. 10, 2015 — Genes linked with a greater risk of developing autism may also be associated with higher intelligence, a study ... full story

New Study Points to Better Classrooms for Children With Disabilities

Mar. 6, 2015 — A pilot study in 51 North Carolina classrooms shows the effectiveness of a new measure in assessing the quality of practices in inclusive preschools. Not only is the Inclusive Classroom Profile a ... full story

Reliance on Smartphones Linked to Lazy Thinking

Mar. 5, 2015 — Our smartphones help us find a phone number quickly, provide us with instant directions and recommend restaurants, but new research indicates that this convenience at our fingertips is making it easy ... full story

Creative Genius Driven by Distraction

Mar. 3, 2015 — The literary great Marcel Proust wore ear-stoppers because he was unable to filter out irrelevant noise -- and lined his bedroom with cork to attenuate sound. Now new research suggests why the ... full story

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