Today's Science News

Sunday, April 19, 2015

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from universities, journals, and other organizations

Bacterial Flora of Remote Tribespeople Carries Antibiotic Resistance Genes

Apr. 17, 2015 Scientists have found antibiotic resistance genes in the bacterial flora of a South American tribe that never before had been exposed to antibiotic drugs. The findings suggest that bacteria in the ... full story

Repeated Marine Predator Evolution Tracks Changes in Ancient and Anthropocene Oceans

Apr. 16, 2015 Scientists synthesized decades of scientific discoveries to illuminate the common and unique patterns driving the extraordinary transitions that whales, dolphins, seals and other species underwent as ... full story

Intense Magnetic Field Close to Supermassive Black Hole

Apr. 16, 2015 Astronomers have revealed an extremely powerful magnetic field, beyond anything previously detected in the core of a galaxy, very close to the event horizon of a supermassive black ... full story

Proto-Suns Teeming With Prebiotic Molecules

Apr. 16, 2015 Complex organic molecules such as formamide, from which sugars, amino acids and even nucleic acids essential for life can be made, already appear in the regions where stars similar to our Sun are ... full story

Morphing Octopuses Have Unique Way to Control Their 'Odd' Forms

Apr. 16, 2015 The body plan of octopuses is nothing if not unique, with a sophisticated brain in a soft, bilaterally symmetrical body, encircled by eight radially symmetrical and incredibly flexible arms. Now, ... full story

Kids With ADHD Must Squirm to Learn, Study Says

Apr. 17, 2015 Excessive movement common among children with attention-deficit/hyperactivity disorder is actually vital to how they remember information and work out complex cognitive tasks, a new study shows. The ... full story

Five Days of Eating Fatty Foods Can Alter How Your Body's Muscle Processes Food

Apr. 14, 2015 After just five days of eating a high-fat diet, the way in which the body's muscle processes nutrients changes, which could lead to long-term problems such as weight gain, obesity, and other ... full story

Study Links Brain Anatomy, Academic Achievement, and Family Income

Apr. 17, 2015 Many years of research have shown that for students from lower-income families, standardized test scores and other measures of academic success tend to lag behind those of wealthier students. A new ... full story

Wearable Device Turns User's Thumbnail Into a Miniature Wireless Track Pad

Apr. 16, 2015 Researchers are developing a new wearable device that turns the user's thumbnail into a miniature wireless track pad. They envision that the technology could let users control wireless devices ... full story

Dating the Moon-Forming Impact Event With Meteorites

Apr. 16, 2015 Through a combination of data analysis and numerical modeling work, researchers have found a record of the ancient moon-forming giant impact observable in stony meteorites. The research indicates ... full story

Giant Galaxies Die from the Inside Out: Star Formation Shuts Down in the Centers of Elliptical Galaxies First

Apr. 16, 2015 Astronomers have shown for the first time how star formation in "dead" galaxies sputtered out billions of years ago. Astronomers have revealed that three billion years after the Big Bang, ... full story

Dwarf Planet Ceres Color Map Reveals Surface Diversity

Apr. 16, 2015 A new color map of dwarf planet Ceres, which NASA's Dawn spacecraft has been orbiting since March, reveals the diversity of the surface of this planetary body. Differences in morphology and ... full story

Major Advance in Artificial Photosynthesis Poses Win/win for the Environment

Apr. 16, 2015 By combining biocompatible light-capturing nanowire arrays with select bacterial populations, a potentially game-changing new artificial photosynthesis system offers a win/win situation for the ... full story

Watch Where You're Going: New Study Reveals How People Avoid Bumping Into Each Other

Apr. 16, 2015 A new study is a rare look into the delicate dynamics of social movement, and shows how people avoid bumping into each other while doing complementary, coordinated tasks such as dancing. The research ... full story

Scientists Use Brain Stimulation to Boost Creativity, Set Stage to Potentially Treat Depression

Apr. 16, 2015 The first direct evidence has been found demonstrating that a low dose of electric current can enhance the brain's natural alpha oscillations to boost creativity by an average of 7.4 percent. ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

Our Love Of Puppy Dog Eyes Explained By Science

Our Love Of Puppy Dog Eyes Explained By Science

Newsy (Apr. 17, 2015) Researchers found a spike in oxytocin occurs in both humans and dogs when they gaze into each other's eyes. Video provided by Newsy
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NASA’s MESSENGER Mercury Mission Is About To Crash Land

NASA’s MESSENGER Mercury Mission Is About To Crash Land

Newsy (Apr. 17, 2015) Rest in pieces, MESSENGER, knowing you gave us most of what we know about Mercury before you ran out of fuel and slammed into its surface at 8,750mph. Video provided by Newsy
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Haute Cuisine, Robot Style

Haute Cuisine, Robot Style

Reuters - Business Video Online (Apr. 16, 2015) Moley Robotics makes cooking a thing of the past, as the Robochef memorizes movement to create gourmet meals. Joel Flynn reports. Video provided by Reuters
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Secrecy Shrouds Decade-Old Gulf of Mexico Spill

Secrecy Shrouds Decade-Old Gulf of Mexico Spill

AP (Apr. 16, 2015) More than a decade after oil started leaking at the Taylor Energy Company site in the Gulf of Mexico, few people even know of its existence. An AP investigation uncovered evidence the spill is far worse than the company has publicly reported. (April 16) Video provided by AP
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last updated on 2015-04-19 at 11:53 am EDT

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Study Reveals Cause of Poorer Outcomes for African-American Patients With Breast Cancer

Apr. 18, 2015 Poorer outcomes for African-American women with estrogen-receptor positive breast cancer, compared with European-American patients, appears to be due, in part, to a strong survival mechanism within ... full story

Researchers Make Key Malarial Drug-Resistence Finding

Apr. 17, 2015 A molecular mechanism responsible for making malaria parasites resistant to artemisinins, the leading class of antimalarial drugs, has been discovered by researchers. Artemisinins are powerful drugs ... full story

New Research Shows How to Tackle Obesity

Apr. 17, 2015 One size does not fit all when it comes to tackling obesity, according to a new study. Researchers looking at how to tackle England's country's obesity issue and found that currently individuals are ... full story

Seafood Samples Had No Elevated Contaminant Levels from Oil Spill, Study Shows

Apr. 17, 2015 Following the Deepwater Horizon Oil Spill in 2010, many people were concerned that seafood was contaminated by either the oil or dispersants used to keep the oil from washing ashore. A new study ... full story

Artificial Blood Vessel Lets Researchers Better Assess Clot Removal Devices

Apr. 17, 2015 An in vitro, live-cell artificial vessel has been created that can be used to study both the application and effects of devices used to extract life-threatening blood clots in the brain. The ... full story

New Lab Technique Reveals Structure and Function of Proteins Critical in DNA Repair

Apr. 17, 2015 By combining two highly innovative experimental techniques, scientists have for the first time simultaneously observed the structure and the correlated function of specific proteins critical in the ... full story

Fruit Fly Studies Shed Light on Adaptability of Nerve Cells

Apr. 17, 2015 Neurons in the eye change on the molecular level when they are exposed to prolonged light, new research demonstrates. The researchers could identify that a feedback signalling mechanism is ... full story

Mouth, as Well as Gut, Could Hold Key to Liver Disease Flare-Ups

Apr. 17, 2015 In a recent study, researchers predicted which cirrhosis patients would suffer inflammations and require hospitalization by analyzing their saliva, revealing a new target for research into a disease ... full story

New Genetic Mutation Could Signal Start of Malaria Drug Resistance in Africa

Apr. 17, 2015 Early indicators of the malaria parasite in Africa developing resistance to the most effective drug available have been confirmed, according to new research. Investigators found Plasmodium falciparum ... full story

Text Messages a Good Way to Support Mothers With Postpartum Depression

Apr. 17, 2015 New research explores the feasibility of helping low-income mothers through postpartum depression using text messages. The objective of the study was to evaluate the feasibility of sending supportive ... full story

Telling the Time of Day by Color

Apr. 17, 2015 New research has revealed that the color of light has a major impact on how the brain clock measures time of day and on how the animals' physiology and behavior adjust accordingly. The study, for the ... full story

Smoking and Mother's Genetics Combine to Increase Likelihood of Twins

Apr. 17, 2015 African American mothers who smoke and have a genetic profile that includes a single nucleotide polymorphism, SNP, of the TP53 gene have an increased likelihood of having twins, concluded a team of ... full story

New Studies About Endovascular Therapy for Stroke Represent Paradigm Shift

Apr. 17, 2015 An expert who writes an accompanying editorial for five studies about endovascular stroke therapy published simultaneously in the New England Journal of Medicine says these randomized clinical trials ... full story

Effectiveness of New Stroke Treatment Confirmed

Apr. 17, 2015 A research paper confirms earlier findings that a procedure called endovascular therapy for ischemic stroke is the best treatment option for many patients by reducing the incidents of disability. ... full story

Smokers Underestimate Risks of a Few Cigarettes

Apr. 17, 2015 Many people still dangerously underestimate the health risks associated with smoking even a few cigarettes a day, despite decades of public health campaigning, researchers report. "People who smoke ... full story

Self-Affirmations May Calm Jitters, Boost Performance

Apr. 17, 2015 Individuals in positions of low power perform worse under pressure, relative to those in positions of high power. However, new research shows that self-affirmations can effectively reduce the power ... full story

Cancer and Chemobrain: Cancer Diagnosis Affects Cognitive Function

Apr. 17, 2015 Breast cancer patients often display mild cognitive defects even before the initiation of chemotherapy. A new study now attributes the syndrome to post-traumatic stress induced by diagnosis of the ... full story

Cognitive Problems Are Common After Cardiac Arrest

Apr. 17, 2015 Half of all patients who survive a cardiac arrest experience problems with cognitive functions such as memory and attention, a major international study shows. Surprisingly, however, a control group ... full story

Nothing Beats a Good Night's Sleep for Helping People Absorb New Information, New Research Reveals

Apr. 17, 2015 Researchers have found that successful long-term learning happens after classroom teaching, after the learners have slept on the new ... full story

Cardiorespiratory Fitness Reduces Disease Risk Among Smokers

Apr. 17, 2015 Cardiorespiratory fitness is associated with reduced metabolic syndrome risk among smokers, according to researchers. Smoking is estimated to cause 443,000 deaths each year in the United States, ... full story

Facebook Users' Wishful Thinking: Cyberbullying, Depression Won't Happen to Me

Apr. 16, 2015 Facebook users with so-called optimistic bias think they're less likely than other users to experience cyberbullying, depression and other negative social and psychological effects from using the ... full story

Smokers Who Use E-Cigarettes Less Likely to Quit, Study Shows

Apr. 16, 2015 The increase in use of e-cigarettes has led to heated debates between opponents who question the safety of these devices and proponents who claim the battery-operated products are a useful cessation ... full story

Revised Guidelines on Reducing Risk, Treatment Options for Thromboembolic Disease in Pregnancy

Apr. 16, 2015 Advice on preventing and treating venous thromboembolism (VTE) during pregnancy, birth and following delivery is outlined in two new revised guidelines. VTE is uncommon in pregnancy or in the first 6 ... full story

Difficult to Break the Soda Habit? Sugar-Sweetened Beverages Suppress Body's Stress Response

Apr. 16, 2015 Drinking sugar-sweetened beverages can suppress the hormone cortisol and stress responses in the brain, but diet beverages sweetened with aspartame do not have the same effect, according to a new ... full story

Mushrooms Boost Immunity, Suggests Research

Apr. 16, 2015 Could a mushroom a day help keep the doctor away? Some early evidence indicates that the Shiitake mushroom boosts immunity. Of the thousands of mushroom species globally, about 20 are used for ... full story

Botox Makes Unnerving Journey Into Our Nervous System

Apr. 16, 2015 Researchers have shown how Botox -- also known as Botulinum neurotoxin serotype A -- is transported via our nerves back to the central nervous system. Botox -- best known for its ability to smooth ... full story

A Sniff of Happiness: Chemicals in Sweat May Convey Positive Emotion

Apr. 16, 2015 Humans may be able to communicate positive emotions like happiness through the smell of our sweat, according to new research published in Psychological Science, a journal of the Association for ... full story

After Prostate Cancer, Start Walking, Experts Say

Apr. 16, 2015 Walking at an easy pace for about three hours every week may be just enough physical activity to help prostate cancer survivors reduce damaging side effects of their treatment, according to a new ... full story

Breastfeeding May Prevent Postpartum Smoking Relapse

Apr. 16, 2015 While a large number of women quit or reduce smoking upon pregnancy recognition, many resume smoking postpartum. Previous research has estimated that approximately 70 percent of women who quit ... full story

Video Games Can Power Up from Merely Fun to Meaningful Experiences

Apr. 15, 2015 It may be game over for critics who claim that video games are nothing more than a fun diversion. A team of researchers suggests that many games can be meaningful entertainment experiences for ... full story

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Understanding Thermo-Mechanical Properties of a New Class of Materials

Apr. 17, 2015 Scientists describe how an accurate statistical description of heterogeneous particulate materials, which is used within statistical micromechanics theories, governs the overall thermo-mechanical ... full story

How to Maximize the Superconducting Critical Temperature in a Molecular Superconductor

Apr. 17, 2015 An international research team has investigated the electronic properties of the family of unconventional superconductors based on fullerenes which have the highest known superconducting critical ... full story

Beyond the Lithium Ion: Significant Step Toward a Better Performing Battery

Apr. 17, 2015 Researchers have taken a significant step toward the development of a battery that could outperform the lithium-ion technology used in electric cars such as the Chevy Volt. They have shown they can ... full story

Applied Physics Helps Decipher Causes of Sudden Death

Apr. 17, 2015 Sudden cardiac death accounts for approximately 10% of natural deaths, most of which are due to ventricular fibrillation. Each year it causes 300,000 deaths in the United States. Researchers have ... full story

Engineers Purify Sea and Wastewater in 2.5 Minutes

Apr. 17, 2015 A group of engineers have created technology to recover and purify, either seawater or wastewater from households, hotels, hospitals, commercial and industrial facilities, regardless of the content ... full story

Engineer Improves Rechargeable Batteries With Nano 'Sandwich'

Apr. 17, 2015 The key to better cell phones and other rechargeable electronics may be in tiny "sandwiches" made of nanosheets, according to mechanical engineering ... full story

Bioenergy: Genetics of Wood Formation

Apr. 17, 2015 To begin to understand poplar growth, a possible bioenergy crop, scientists built a robust high-throughput pipeline for studying the hierarchy of genetic regulation of wood formation using ... full story

Electronic Micropump to Deliver Treatments Deep Within the Brain

Apr. 16, 2015 For a condition such as epilepsy, it is essential to act at exactly the right time and place in the brain. For this reason, a team of researchers has developed an organic electronic micropump which, ... full story

Nanotubes With Two Walls Have Singular Qualities

Apr. 16, 2015 Double-walled carbon nanotubes have unique electronic properties that may someday be tuned for semiconducting applications or for strong, highly conductive nanotube fibers, according to ... full story

Detector at the South Pole Explores the Mysterious Neutrinos

Apr. 16, 2015 Neutrinos are a type of particle that pass through just about everything in their path from even the most distant regions of the universe. The giant IceCube experiment at the South Pole can detect ... full story

A Blueprint for Clearing the Skies of Space Debris

Apr. 17, 2015 Scientists have put forward a blueprint for a purely space-based system to solve the growing problem of space debris. The proposal will be used to detect objects, and a recently developed ... full story

NASA’s New Horizons Spacecraft Nears Historic July 14 Encounter With Pluto

Apr. 15, 2015 NASA's New Horizons spacecraft is three months from returning to humanity the first-ever close up images and scientific observations of distant Pluto and its system of large and small ... full story

Northern Lights: How 'Black' Auroras Actually Work

Apr. 15, 2015 While our understanding of how the aurora's shimmering curtains of colour are formed, scientists have struggled to explain the black patches between the bright beams. Now scientists have discovered ... full story

First Signs of Self-Interacting Dark Matter? Dark Matter May Not Be Completely Dark After All

Apr. 14, 2015 For the first time dark matter may have been observed interacting with other dark matter in a way other than through the force of gravity. Observations of colliding galaxies have picked up the first ... full story

Planet Spotted Deep Within Our Galaxy: One of the Most Distant Planets Known

Apr. 14, 2015 NASA's Spitzer Space Telescope has teamed up with a telescope on the ground to find a remote gas planet about 13,000 light-years away, making it one of the most distant planets ... full story

Hot Quark Soup That Existed at the Dawn of the Universe

Apr. 14, 2015 Thousands of times a second the Relativistic Heavy Ion Collider at Brookhaven National Laboratory re-creates the hot quark soup that existed at the dawn of the universe. Particles composed of heavy ... full story

Search for Advanced Civilizations Beyond Earth Finds Nothing Obvious in 100,000 Galaxies

Apr. 14, 2015 After searching 100,000 galaxies for signs of highly advanced life, a team of scientists has found no evidence of advanced civilizations there. The idea behind the research is that, if an entire ... full story

Violent Methane Storms on Titan May Solve Dune Direction Mystery

Apr. 13, 2015 Titan, Saturn's largest moon, is among the most Earthlike places in the solar system. As the Cassini-Huygens spacecraft examines Titan, its discoveries bring new mysteries. One of these is that the ... full story

Dark Energy Survey Creates Detailed Guide to Spotting Dark Matter in the Cosmos

Apr. 13, 2015 Scientists on the Dark Energy Survey have released the first in a series of dark matter maps of the cosmos. These maps, created with one of the world's most powerful digital cameras, are the largest ... full story

Mars Might Have Salty Liquid Water

Apr. 13, 2015 Researchers have long known that there is water in the form of ice on Mars. Now, new research shows that it is possible that there is liquid water close to the surface of Mars. The explanation is ... full story

Fighting the Next Generation of Cyberattacks

Apr. 16, 2015 Computer scientists are developing software to detect so-called algorithmic attacks, an emerging hacking threat that is nearly impossible to find with existing security ... full story

Virtual Reality May Be Effective Tool for Evaluating Balance Control in Glaucoma Patients

Apr. 16, 2015 Falls are the leading cause of injury-related death and morbidity in older adults, especially those with a chronic eye disease such as glaucoma. To investigate this problem, a multidisciplinary group ... full story

New Software Analyses the Effect of Climate Change on Buildings from the Cloud

Apr. 16, 2015 Construction companies have begun to use a simulation software which analyses for the first time the entire life cycle of a building, from creation to deconstruction. The tool, which can be used in ... full story

Novel Plasma Diagnostics Method

Apr. 16, 2015 Physicists have now devised an elegant plasma pressure diagnostic method by studying forces akin to the pressure change at the inner walls of energy saving light bulb when the light is switched on. ... full story

Patents Forecast Technological Change

Apr. 15, 2015 Engineers have devised a formula for estimating how fast a technology is advancing, based on information gleaned from relevant ... full story

New Method Increases Accuracy of Ovarian Cancer Prognosis and Diagnosis

Apr. 15, 2015 Scientists have uncovered patterns of DNA anomalies that predict a woman's outcome significantly better than tumor stage. In addition, these patterns are the first known indicator of how well a woman ... full story

Should a Political Party Form a Coalition? Voters and Math Decide

Apr. 15, 2015 A new paper proposes mathematical models to analyze political decision-making. "Mathematics is important in many aspects of social behavior. Politics is just one of these aspects, since some of the ... full story

How Twitter Can Help Predict Emergency Room Visits

Apr. 15, 2015 Researchers analyzed asthma-related tweets, along with data from air quality sensors, to successfully predict how many asthma sufferers would visit the emergency room on a given day. "We realized ... full story

Researchers Can Trace Dust Samples Using Fungal DNA

Apr. 15, 2015 Researchers have developed a statistical model that allows them to tell where a dust sample came from within the continental United States based on the DNA of fungi found in the sample. The work ... full story

Quantum Cryptography at the Speed of Light: Researchers Design First All-Photonic Repeaters

Apr. 15, 2015 Engineers bring perfectly secure information exchanges one step to reality. They have now designed the first all-photonic quantum repeaters -- protocols that ensure data can be carried reliably and ... full story

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Impacts of Gulf Oil Spill on Marine Organisms on Gulf Coast

Apr. 17, 2015 Researchers have determined the impacts of the Deepwater Horizon oil spill on marine organisms such as oysters, conch, shrimp, corals as well as marine plankton (microalgae or phytoplankton, rotifers ... full story

Invasive Parasitic Fly on Galapagos Islands Probably Came from Mainland Ecuador

Apr. 17, 2015 An invasive parasitic fly that harms Darwin's finches and other land birds on the Galapagos Islands, has been found for the the first time in mainland Ecuador, supporting the hypothesis that it was ... full story

Evolution Puts Checks on Virgin Births

Apr. 17, 2015 It seems unnatural that a species could survive without having sex. Yet over the ages, evolution has endowed females of certain species of amphibians, reptiles and fish with the ability to clone ... full story

Expanding Rubber Plantations 'Catastrophic' for Endangered Species in Southeast Asia

Apr. 16, 2015 Demand for natural rubber fueled by the tire industry is threatening protected parts of Southeast Asia, according to new research. Researchers say that the extent of the problem is comparable to oil ... full story

Model Offers More Ease, Precision for Managing Invasive Asian Carp

Apr. 16, 2015 The likelihood of Asian carp eggs being kept in suspension and hatching in the St. Joseph River in Michigan has been further evaluated using a model that examines a range of multiple flow and water ... full story

Maize Roots Have Evolved to Be More Nitrogen Efficient

Apr. 16, 2015 Selective breeding of maize over the last century to create hybrids with desirable shoot characteristics and increased yield may have contributed indirectly to the evolution of root systems that are ... full story

Diversity Is Key to Stability, Grassland Study Finds

Apr. 16, 2015 Researchers looked at 28 years' worth of data on plant growth, number of species, ecosystem stability and exposure to changes in nitrogen, carbon dioxide, fire, grazing and water collected from ... full story

Fish Type, Body Size Can Help Predict Nutrient Recycling Rates

Apr. 16, 2015 The nutrients excreted by fish in their 'pee' may be critical to the health of coastal ecosystems. But knowing whether generalizations can be made about how to predict these nutrient levels in ... full story

Could Maple Syrup Help Cut Use of Antibiotics?

Apr. 16, 2015 A concentrated extract of maple syrup makes disease-causing bacteria more susceptible to antibiotics, according to laboratory experiments. The findings suggest that combining maple syrup extract with ... full story

Studying How Climate Affects Biodiversity

Apr. 16, 2015 A key question in the climate debate is how the occurrence and distribution of species is affected by climate change. But without information about natural variation in species abundance it is hard ... full story

Greenland Continuing to Darken

Apr. 17, 2015 Darkening of the Greenland Ice Sheet is projected to continue as a consequence of continued climate warming, according to ... full story

How Ancient Species Survived or Died Off in Their Old Kentucky Home

Apr. 16, 2015 Researchers at an old geological site talk 'dirt' about how Ice Age climate change led to the extinction of mammoths and mastodons, but to the evolution and survival of bison, deer and other ... full story

Wildfires Emit More Greenhouse Gases Than Assumed in California Climate Targets

Apr. 16, 2015 A new study quantifies the amount of carbon stored and released through California forests and wildlands. The results indicate that wildfires and deforestation are contributing more than expected to ... full story

Rainforest Protection Akin to Speed Limit Control

Apr. 16, 2015 The destruction of the Brazilian rainforest has slowed significantly. With around 5000 square kilometers annually, the loss is now about 80% lower than in 2004. An international team of researchers ... full story

Flourishing Faster: How to Make Trees Grow Bigger and Quicker

Apr. 16, 2015 Scientists have discovered a way to make trees grow bigger and faster, which could increase supplies of renewable resources and help trees cope with the effects of climate ... full story

New Evidence Adds the Capitanian Extinction to the List of Major Extinction Crises

Apr. 15, 2015 Since the Cambrian Explosion, ecosystems have suffered repeated mass extinctions, with the 'Big 5' crises being the most prominent. Twenty years ago, a sixth major extinction was recognized in the ... full story

Dwindling Bird Populations in Fukushima

Apr. 15, 2015 This is the time of year when birds come out and really spread their wings, but since a disastrous day just before spring's arrival four years ago, Japan's Fukushima province has not been friendly to ... full story

Packing Heat: New Fluid Makes Untapped Geothermal Energy Cleaner

Apr. 15, 2015 More American homes could be powered by the Earth's natural underground heat with a nontoxic fluid that could cut in half the amount of water needed for a new power generation method called enhanced ... full story

Wind Bursts Strongly Affect El Nino Severity

Apr. 15, 2015 A new study finds that prolonged wind bursts originating in the western Pacific can have a strong effect on whether an El Nino event will occur and how severe it is likely to be. The paper also ... full story

Perceptions of Environmental Damage Improves Over Time, Despite Lack of Real Change

Apr. 15, 2015 Human perception of the beetle kill problem in the Kenai Peninsula in Alaska has improved over time, despite little improvement in the environmental conditions, researchers have found. The study drew ... full story

Victorian Baby Teeth Could Help Predict Future Health of Children Today

Apr. 16, 2015 Baby teeth from children who died during the 1845-52 Irish famine could help us predict the future health of children born today, according to new research. Investigators found that the biochemical ... full story

Palaeolithic Remains Show Cannibalistic Habits of Human Ancestors

Apr. 16, 2015 Analysis of ancient cadavers recovered at a famous archaeological site confirm the existence of a sophisticated culture of butchering and carving human remains, according to a team of ... full story

Complex Cognition Shaped the Stone Age Hand Axe

Apr. 15, 2015 The ability to make a Lower Paleolithic hand axe depends on complex cognitive control by the prefrontal cortex, including the 'central executive' function of working memory, a new study finds. The ... full story

Iceberg Armadas Not the Cause of North Atlantic Cooling

Apr. 15, 2015 Armadas of icebergs were probably not the cause of abrupt episodes of cooling in the North Atlantic over the past 440,000 years, according to new ... full story

Young Offenders in Victorian Times Were Much Less Likely to Re-Offend Than Today

Apr. 15, 2015 Young offenders in late Victorian times were much less likely to go on to commit other crimes after serving a sentence in an institution than their counterparts today, new research ... full story

40 Million-Year-Old Family Tree of Baleen Whales

Apr. 15, 2015 New research is providing the most comprehensive picture of the evolutionary history of baleen whales, which are not only the largest animals ever to live on earth, but also among the most ... full story

Bone Eating Worms Dined on Marine Reptile Carcasses

Apr. 14, 2015 A species of bone-eating worm that was believed to have evolved in conjunction with whales has been dated back to prehistoric times when it fed on the carcasses of giant marine ... full story

There Is More to a Rembrandt Than Meets the Eye, Science Shows

Apr. 14, 2015 Art historians and scientists use imaging methods to virtually "dig" under or scan various layers of paint and pencil. This is how they decipher how a painter went about producing a masterpiece - ... full story

Strange Rituals or Cannibalism? Neanderthals Manipulated Bodies of Adults and Children Shortly After Death

Apr. 14, 2015 Neanderthals from the French region of Poitou-Charentes cut, beat and fractured the bones of their recently deceased companions, as revealed by the fossil remains of two adults and a child found at ... full story

Why We Have Chins: Our Chin Comes from Evolution, Not Mechanical Forces

Apr. 13, 2015 Why are modern humans the only species to have chins? Researchers say it's not due to mechanical forces, such as chewing, but may lie in our evolution: As our faces became smaller, it exposed the ... full story

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Experts Warn Ebola Epidemic Could Return With a Vengeance Unless Lessons About Medical Trials Are Learned

Apr. 17, 2015 Health experts have warned that a greater flexibility must be brought to medical trials to combat diseases like Ebola to avoid facing another nightmare outbreak. The rapidity and spread of the Ebola ... full story

9/11 Leaves Legacy of Chronic Ill Health Among Emergency Medical Services Workers

Apr. 16, 2015 The 9/11 attacks on the World Trade Center in New York City in 2001 have left a legacy of chronic ill health among emergency medical services workers who came to the rescue of the victims, reveals ... full story

Socioeconomic Factors Affect Odds of Death After a Lung Cancer Operation

Apr. 16, 2015 People with limited education and low income have higher odds of death within 30 days after undergoing an operation for lung cancer than those who are more educated and financially better off, ... full story

For Men, Online Generosity Is a Competition

Apr. 16, 2015 If you are looking to raise money online for your favorite cause, listen up. A real-world analysis of human behavior shows that men treat online giving as a competitive enterprise. Men will donate ... full story

Firearm-Related Hospitalizations Linked to U. S. Stock Market Performance

Apr. 16, 2015 Economic climate may impact incidence of firearm-related injuries and fatalities, which pose a burden on U.S. healthcare resources, report ... full story

Teaching Children in Schools About Sexual Abuse May Help Them Report Abuse

Apr. 16, 2015 Children who are taught about preventing sexual abuse at school are more likely than others to tell an adult if they had, or were actually experiencing sexual abuse. However, the review's authors say ... full story

Racial Disparity in Cancer Mortality Is Narrowing, Suggests New Study

Apr. 15, 2015 Cancer mortality remains significantly elevated among African-Americans. Between 2000 and 2010, overall mortality from cancer decreased faster among African-American women and men than among ... full story

BPA Can Disrupt Sexual Function in Turtles, Could Be a Warning for Environmental Health

Apr. 15, 2015 Bisphenol A (BPA) is a chemical used in food storage products and resins that line plastic beverage containers. Often, aquatic environments become reservoirs for BPA, and turtle habitats are ... full story

Homeland Chemical Security: U. S. Chemical Plants Vulnerable to Attack

Apr. 15, 2015 The slow implementation of the Chemical Facility Anti-Terrorism Standards in the USA as part of homeland security and anti-terrorism measures is leaving chemical plants vulnerable and putting at risk ... full story

Most Partisans Treat Politics Like Sports Rivalries, Instead of Focusing on Issues

Apr. 15, 2015 The attitudes of American voters have been analyzed by researchers who found that many average voters with strong party commitments -- both Democrats and Republicans -- care more about their parties ... full story

Interactivity Tools Can Boost Persuasiveness of Websites

Apr. 14, 2015 Messages conveyed on websites may be more persuasive if theses websites are interactive, according to ... full story

Who's a CEO? Google Image Results Can Shift Gender Biases

Apr. 9, 2015 A new study assesses how accurately gender representations in online image search results for 45 different occupations -- from CEO to telemarketer to engineer -- match reality. Exposure to skewed ... full story

When Health Risks Go Down, Worker Productivity Goes Up

Apr. 8, 2015 Changes in employee health risk factors have a significant impact on work productivity, reports a new study. The productivity benefits of improved health are "cumulative over time," highlighting the ... full story

Overconfidence in New Technologies Can Influence Decision-Making

Apr. 8, 2015 Technological advances in recent decades have transformed most aspects of daily life, and technology now plays a major role in business and society. However, little is known about how perceptions of ... full story

How Long Do Firms Live? Finding Patterns of Company Mortality in Market Data

Apr. 1, 2015 New research reveals a surprising insight: publicly-traded firms die off at the same rate regardless of their age or economic ... full story

Ads in Free Mobile Apps Have Hidden Costs for Both Users and Developers

Apr. 1, 2015 Advertising may allow developers to make smartphone apps free, but it has hidden costs -- draining batteries, eating up network data, and using more ... full story

Interview Blues: Anxious, Slow Talkers Often Do Not Get the Job

Apr. 1, 2015 Job candidates should focus on exuding warmth and assertiveness, a new study says. Researchers offer a few tips for those who are worried that their nerves might stand between them and acing their ... full story

Cultivating Timeflow: Can Consumers Shape How They Experience Time?

Mar. 31, 2015 Why does time seem to crawl if you're waiting in line at the post office, but hours can fly by in minutes when you're doing something fun? A new study examines the factors that determine how ... full story

The Brain in the Supermarket: Index Strategy Informs Decision-Making

Mar. 26, 2015 Researchers suggest that your brain is most likely deploying an 'index strategy,' a straightforward ranking of products, when you shop. It may not be an absolutely perfect calculation, given all the ... 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

Family Therapist Suggests Parents Relearn to Play

Apr. 15, 2015 A family therapist has one word for parents who want to raise a healthy, happy child: ... full story

Childhood Self-Control Linked to Enhanced Job Prospects Throughout Life

Apr. 14, 2015 Parents who work to instill self-control in their children will see them reap the benefits not only in the short-term but throughout their working life, according to new ... full story

Civic Engagement May Stave Off Brain Atrophy, Improve Memory

Apr. 14, 2015 Instead of shrinking as expected, as part of the normal aging process, the memory center in the brains of seniors maintained their size and, in men, grew modestly after two years in a program that ... full story

Why Do People Play Violent Video Games? Storytelling and Meaningful Choices May Play a Part

Apr. 9, 2015 A wealth of studies have shown that violent video games contribute to antisocial and aggressive behavior. But what makes those games appealing in the first place? One possibility is that storytelling ... full story

Don't Blame Kids If They Do Not Enjoy School, Study of Twins Suggests

Apr. 8, 2015 When children are unmotivated at school, new research suggests their genes may be part of the equation. A study of more than 13,000 twins from six countries found that 40 to 50 percent of the ... full story

The Brain Game: How Decreased Neural Activity May Help You Learn Faster

Apr. 6, 2015 Why are some people able to master a new skill quickly while others require extra time or practice? Counterintuitive as it may seem, study participants who showed decreased neural activity learned ... full story

Element of Surprise Helps Babies Learn

Apr. 2, 2015 Cognitive psychologists have demonstrated for the first time that babies learn new things by leveraging the core information they are born with. When something surprises a baby, like an object not ... full story

Well-Designed Classrooms Can Boost Learning Progress in Primary School Pupils by Up to 16% in a Single Year, Research Reveals

Apr. 1, 2015 Clear evidence has now been gathered that well-designed primary school classrooms boost children's learning progress in reading, writing and math. Natural light, temperature, air quality, color and ... full story

Insight Creates New Memories in the Brain

Apr. 1, 2015 Scientists have visualized - for the first time - how the brain recombines memories of past events when these are complemented by new ... full story

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