Today's Science News

Tuesday, October 21, 2014

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from universities, journals, and other organizations

Kung Fu Stegosaur: Lethal Fighters When Necessary

Oct. 21, 2014 — Stegosaurs might be portrayed as lumbering plant eaters, but they were lethal fighters when necessary, according to paleontologists who have uncovered new evidence of a casualty of stegosaurian ... full story

Big Black Holes Can Block New Stars

Oct. 21, 2014 — Massive black holes spewing out radio-frequency-emitting particles at near-light speed can block formation of new stars in aging galaxies, a study has ... full story

Lab-Developed Intestinal Organoids Form Mature Human Tissue in Mice

Oct. 19, 2014 — Researchers have successfully transplanted 'organoids' of functioning human intestinal tissue grown from pluripotent stem cells in a lab dish into mice -- creating an unprecedented model ... full story

Origins of Sex Discovered: Side-by-Side Copulation in Distant Ancestors

Oct. 20, 2014 — A palaeontologist has revealed how the intimate act of sexual intercourse first evolved in our deep distant ancestors. In one of the biggest discoveries in the evolutionary history of sexual ... full story

Scientists Restore Hearing in Noise-Deafened Mice, Pointing Way to New Therapies

Oct. 20, 2014 — Scientists have restored the hearing of mice partly deafened by noise, using advanced tools to boost the production of a key protein in their ears. By demonstrating the importance of the protein, ... full story

Exposure to Aluminum May Impact on Male Fertility, Research Suggests

Oct. 21, 2014 — Human exposure to aluminum may be a significant factor in falling sperm counts and reduced male fertility, new research suggests. Fluorescence microscopy using an aluminum-specific stain confirmed ... full story

Ocean's Living Carbon Pumps: When Viruses Attack Giant Algal Blooms, Global Carbon Cycles Are Affected

Oct. 21, 2014 — By some estimates, almost half of the world's organic carbon is fixed by marine organisms called phytoplankton -- single-celled photosynthetic organisms that account for less than one percent of ... full story

Tarantula Venom Illuminates Electrical Activity in Live Cells

Oct. 21, 2014 — A cellular probe that combines a tarantula toxin with a fluorescent compound has been developed to help scientists observe electrical activity in neurons and other cells. This is the first time ... full story

Change Your Walking Style, Change Your Mood

Oct. 15, 2014 — Our mood can affect how we walk -- slump-shouldered if we're sad, bouncing along if we're happy. Now researchers have shown it works the other way too -- making people imitate a happy or ... full story

House Fly Genome Reveals Expanded Immune System

Oct. 14, 2014 — The house fly genome has been sequenced for the first time, revealing robust immune genes, as one might expect from an insect that thrives in pathogen-rich dung piles and garbage heaps. The research ... full story

Roman Gladiators Ate a Mostly Vegetarian Diet and Drank a Tonic of Ashes After Training

Oct. 20, 2014 — Roman gladiators ate a mostly vegetarian diet and drank ashes after training as a tonic. These are the findings of anthropological investigations carried out on bones of warriors found during ... full story

Imaging Electric Charge Propagating Along Microbial Nanowires

Oct. 19, 2014 — Physicists report that they've used a new imaging technique, electrostatic force microscopy, to resolve the biological debate with evidence from physics, showing that electric charges do indeed ... full story

Major Breakthrough Could Help Detoxify Pollutants

Oct. 19, 2014 — A major breakthrough could lead to more effective methods for detoxifying dangerous pollutants like PCBs and dioxins, scientists say. The result is a culmination of 15 years of research. It details ... full story

Smoking During Pregnancy Alters Newborn Stress Hormones, DNA, Study Finds

Oct. 17, 2014 — The effects of smoking during pregnancy, and its impact on the stress response in newborn babies, has been the focus of recent study. The research indicates that newborns of mothers who smoke ... full story

Artificial Light, Biological Clock Disruptions, Increase Breast Cancer Risk, Study Finds

Oct. 17, 2014 — The disruption of a person's circadian rhythm -- their 24-hour biological clock -- has been linked to an increased risk of breast cancer, according to new research. The culprit, in this study in ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

First-Of-Its-Kind Treatment Gives Man Ability To Walk Again

First-Of-Its-Kind Treatment Gives Man Ability To Walk Again

Newsy (Oct. 21, 2014) — A medical team has for the first time given a man the ability to walk again after transplanting cells from his brain onto his severed spinal cord. Video provided by Newsy
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Japanese Scientists Unveil Floating 3D Projection

Japanese Scientists Unveil Floating 3D Projection

Reuters - Innovations Video Online (Oct. 20, 2014) — Scientists in Tokyo have demonstrated what they say is the world's first 3D projection that floats in mid air. A laser that fires a pulse up to a thousand times a second superheats molecules in the air, creating a spark which can be guided to certain points in the air to shape what the human eye perceives as an image. Matthew Stock reports. Video provided by Reuters
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Fish Fossil Shows First-Ever Sex Was Done Side By Side

Fish Fossil Shows First-Ever Sex Was Done Side By Side

Newsy (Oct. 19, 2014) — A 380-million-year-old fish may be the first creature to have copulative sex - and it was side by side with arms linked, like square dancers. Video provided by Newsy
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Comet Siding Spring Grazes Mars' Atmosphere

Comet Siding Spring Grazes Mars' Atmosphere

Newsy (Oct. 19, 2014) — A comet from the farthest reaches of the solar system passed extremely close to Mars this weekend, giving astronomers a rare opportunity to study it. Video provided by Newsy
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last updated on 2014-10-21 at 2:18 pm EDT

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Cosmic Rays Threaten Future Deep-Space Astronaut Missions

Oct. 21, 2014 — Crewed missions to Mars remain an essential goal for NASA, but scientists are only now beginning to understand and characterize the radiation hazards that could make such ventures risky, concludes a ... full story

Resetting the Circadian Clock: Shift Workers Might Want to Skip High-Iron Foods at Night

Oct. 21, 2014 — Workers punching in for the graveyard shift may be better off not eating high-iron foods at night so they don’t disrupt the circadian clock in their livers. "Iron is like the dial that sets the ... full story

Ancient Europeans Intolerant to Lactose for 5,000 Years After They Adopted Agriculture

Oct. 21, 2014 — By analyzing DNA from petrous bones of ancient Europeans, scientists have identified these peoples remained intolerant to lactose (natural sugar in the milk of mammals) for 5,000 years after they ... full story

Fight Against Alzheimer's Disease: New Research on Walnuts

Oct. 21, 2014 — An new animal study reveals potential brain-health benefits of a walnut-enriched diet. Researchers suggest that a diet including walnuts may have a beneficial effect in reducing the risk, delaying ... full story

Screening Questions Fail to Identify Teens at Risk for Hearing Loss

Oct. 21, 2014 — Subjective screening questions do not reliably identify teenagers who are at risk for hearing loss, according to researchers. Their study results suggest that objective hearing tests should be ... full story

Immune Proteins Moonlight to Regulate Brain-Cell Connections

Oct. 21, 2014 — When it comes to the brain, 'more is better' seems like an obvious assumption. But in the case of synapses, which are the connections between brain cells, too many or too few can both disrupt brain ... full story

Detecting Cancer Earlier Is Goal of New Medical Imaging Technology

Oct. 21, 2014 — A new medical imaging method could help physicians detect cancer and other diseases earlier than before, speeding treatment and reducing the need for invasive, time-consuming biopsies. The ... full story

New Analysis Methodology May Revolutionize Breast Cancer Therapy

Oct. 21, 2014 — Stroma cells are derived from connective tissue and may critically influence tumor growth. This knowledge is not new. However, a team of researchers has developed a novel methodology for ... full story

Not Just Skin Cancer: Triplet Threat from the Sun

Oct. 21, 2014 — The most obvious effects of too much sun exposure are cosmetic, like wrinkled and rough skin. Some damage, however, goes deeper—ultraviolet light can damage DNA and cause proteins in the body to ... full story

Misreporting Diet Information Could Impact Nutrition Recommendations for Hispanics

Oct. 21, 2014 — Faulty self-reporting of the food we eat can lead to incorrect conclusions about whether we are meeting dietary recommendations for certain essential nutrients, say researchers. A new study is the ... full story

Impressions Shaped by Facial Appearance Foster Biased Decisions

Oct. 21, 2014 — Research in recent years has shown that people associate specific facial traits with an individual's personality. People consistently associate trustworthiness, competence, dominance, and ... full story

Research Highlights Extent, Effects of School Violence in U.S.

Oct. 21, 2014 — Six percent of U.S. children and youth missed a day of school over the course of a year because they were the victim of violence or abuse at school. "This study really highlights the way school ... full story

Survey Shows What Americans Fear Most

Oct. 21, 2014 — The Chapman Survey on American Fears included 1,500 participants from across the nation and all walks of life. The research team leading this effort pared the information down into four basic ... full story

Child's Poor Decision-Making Skills Can Predict Later Behavior Problems, Research Shows

Oct. 21, 2014 — Children who show poor decision-making skills at age 10 or 11 may be more likely to experience interpersonal and behavioral difficulties that have the potential to lead to high-risk health behavior ... full story

Even Depressed People Believe That Life Gets Better

Oct. 21, 2014 — Adults typically believe that life gets better -- today is better than yesterday was and tomorrow will be even better than today. A new study shows that even depressed individuals believe in a ... full story

A Rich Vocabulary Can Protect Against Cognitive Impairment

Oct. 21, 2014 — Some people suffer incipient dementia as they get older. To make up for this loss, the brain's cognitive reserve is put to the test. Researchers have studied what factors can help to improve this ... full story

Key Factor in Transition from Moderate to Problem Drinking

Oct. 21, 2014 — A tiny segment of genetic material known as a microRNA plays a central role in the transition from moderate drinking to binge drinking and other alcohol use disorders, researchers have ... full story

Mental Rest and Reflection Boost Learning, Study Suggests

Oct. 20, 2014 — A new study, which may have implications for approaches to education, finds that brain mechanisms engaged when people allow their minds to rest and reflect on things they've learned before may boost ... full story

Untangling the Biological Effects of Blue Light

Oct. 20, 2014 — Blue light can both set the mood and set in motion important biological responses. Researchers have teased apart the separate biological responses of the human eye to blue light, revealing an ... full story

Biochemical Cause of Seasonal Depression (SAD) Confirmed by Researchers

Oct. 20, 2014 — New research confirms why some people suffer from the winter blues while others get through the winter without any problems. A longitudinal study has found that that people with Seasonal Affective ... full story

New Viral Mutation Made Middle-Aged Adults More Susceptible to Last Year's Flu

Oct. 21, 2014 — A possible explanation for why middle-aged adults were hit especially hard by the H1N1 influenza virus during the 2013-2014 influenza season has been uncovered by scientists. Their findings offer ... full story

Exposure to Traffic Pollution During Pregnancy Can Damage Future Child's Lungs

Oct. 20, 2014 — Women who are exposed to traffic pollution while pregnant are increasing the chances of damaging the lungs of their unborn children, concludes a study. Nitrogen dioxide (NO2) is a widely used marker ... full story

Heart Attacks Do Not Have as Strong of a Genetic Link as Previously Suspected

Oct. 20, 2014 — Heart attacks are not as connected to family history and genetics as may have been previously believed, according to a new study. These new findings may help those with a family history of coronary ... full story

Positive Subliminal Messages on Aging Improve Physical Functioning in Elderly

Oct. 20, 2014 — Older individuals who are subliminally exposed to positive stereotypes about aging showed improved physical functioning that can last for several weeks, a new ... full story

Siblings of Children With Autism Can Show Signs at 18 Months

Oct. 20, 2014 — About 20 percent of younger siblings of children with Autism Spectrum Disorder will develop the condition by age 3. A new study has found that 57 percent of these younger siblings who later develop ... full story

Children Who Drink Non-Cow's Milk Are Twice as Likely to Have Low Vitamin D

Oct. 20, 2014 — Children who drink non-cow's milk such as rice, almond, soy or goat's milk, have lower levels of vitamin D in their blood than those who drink cow's milk, according to a new ... full story

Sport in Old Age Can Stimulate Brain Fitness, but Effect Decreases With Advancing Age

Oct. 20, 2014 — Physical exercise in old age can improve brain perfusion as well as certain memory skills, say neuroscientists who studied men and women aged between 60 and 77. In younger individuals regular ... full story

Why Your Brain Makes You Reach for Junk Food

Oct. 20, 2014 — Will that be a pizza for you or will you go for a salad? Choosing what you eat is not simply a matter of taste, conclude scientists in a new study. As you glance over a menu or peruse the shelves in ... full story

Sexual Preference for Masculine Men, Feminine Women Is an Urban Habit

Oct. 20, 2014 — A groundbreaking new study suggests that, rather than being passed down through a long process of social and sexual selection, preferences for masculine men and feminine women is a relatively new ... full story

Work to Improve Children's Health Should Start Before Mother Becomes Pregnant

Oct. 20, 2014 — The key to making future generations healthier could lie before the mother becomes pregnant, researchers believe. In a new article, they say that a greater understanding is needed of the role of ... full story

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Could I Squeeze by You? Scientists Model Molecular Movement Within Narrow Channels of Mesoporous Nanoparticles

Oct. 21, 2014 — Scientists have developed deeper understanding of the ideal design for mesoporous nanoparticles used in catalytic reactions, such as hydrocarbon conversion to biofuels. The research will help ... full story

Super Stable Garnet Ceramics May Be Ideal for High-Energy Lithium Batteries

Oct. 21, 2014 — Scientists have discovered exceptional properties in a garnet material that could enable development of higher-energy battery ... full story

Getting the Salt Out: Electrodialysis Can Provide Cost-Effective Treatment of Salty Water from Fracked Wells

Oct. 21, 2014 — The boom in oil and gas produced through hydraulic fracturing, or fracking, is seen as a boon for meeting U.S. energy needs. But one byproduct of the process is millions of gallons of water that's ... full story

Extremely High-Resolution Magnetic Resonance Imaging

Oct. 21, 2014 — For the first time, researchers have succeeded to detect a single hydrogen atom using magnetic resonance imaging, which signifies a huge increase in the technology's spatial resolution. In the ... full story

Researchers Patent a Nanofluid That Improves Heat Conductivity

Oct. 21, 2014 — Researchers have developed and patented a nanofluid improving thermal conductivity at temperatures up to 400°C without assuming an increase in costs or a remodeling of the infrastructure. This ... full story

POLARBEAR Detects B-Modes in the Cosmic Microwave Background: Mapping Cosmic Structure, Finding Neutrino Masses

Oct. 21, 2014 — The POLARBEAR experiment has made the most sensitive and precise measurements yet of the polarization of the cosmic microwave background and found telling twists called B-modes in the patterns, signs ... full story

Quantum Holograms as Atomic Scale Memory Keepsake

Oct. 21, 2014 — A new study demonstrates that quantum holograms could be a candidate for becoming quantum information memory. Scientists have developed a theoretical model of quantum memory for light, adapting the ... full story

First Driverless Vehicles for Public Launched in Singapore

Oct. 21, 2014 — For the first time, two SMART-NUS enhanced driverless buggies to ferry passengers, free-of-charge, around Chinese and Japanese Gardens, as part of the Smart and Connected Jurong Lake District Pilots ... full story

How Radiotherapy Kills Cancer Cells

Oct. 21, 2014 — A new discovery in experimental physics has implications for understanding how radiotherapy kills cancer cells, among other ... full story

Driving by Pointing: pieDrive System Simplifies Controlling the Most Up-to-Date Vehicles

Oct. 21, 2014 — An increasing number of assistance systems are being designed to facilitate driving. Things are heading towards automated driving. What role does the person behind the steering wheel play? Scientists ... full story

NASA Rover Opportunity Views Comet Near Mars

Oct. 21, 2014 — NASA's Mars Exploration Rover Opportunity captured images of a comet passing much closer to Mars than any previous known comet flyby of Earth or Mars. The images of comet Siding Spring were taken ... full story

Mars Orbiter Image Shows Comet Nucleus Is Small

Oct. 21, 2014 — The High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter captured views of comet C/2013 A1 Siding Spring while that visitor sped past Mars on Sunday (Oct. ... full story

Heavy Metal Frost? A New Look at a Venusian Mystery

Oct. 20, 2014 — Venus is hiding something beneath its brilliant shroud of clouds: a first order mystery about the planet that researchers may be a little closer to solving because of a new re-analysis of ... full story

NASA's Mars Odyssey Orbiter Watches Comet Fly Near

Oct. 20, 2014 — The longest-lived robot ever sent to Mars came through its latest challenge in good health, reporting home on schedule after sheltering behind Mars from possible comet ... full story

NASA's MAVEN Studies Passing Comet and Its Effects

Oct. 20, 2014 — NASA's newest orbiter at Mars, MAVEN, took precautions to avoid harm from a dust-spewing comet that flew near Mars Oct. 19 and is studying the flyby's effects on the Red Planet's ... full story

NASA's Mars Reconnaissance Orbiter Studies Comet Flyby

Oct. 20, 2014 — NASA's Mars Reconnaissance Orbiter, which has sent home more data about Mars than all other missions combined, is also now providing data about a comet that buzzed The Red Planet Oct. ... full story

Explosion First Evidence of a Hydrogen-Deficient Supernova Progenitor

Oct. 16, 2014 — A new model is the first characterization of the progenitor for a hydrogen-deficient supernova. The model predicts that a bright hot star, which is the binary companion to an exploding object, ... full story

NASA Spacecraft Provides New Information About Sun's Atmosphere

Oct. 16, 2014 — NASA's Interface Region Imaging Spectrograph (IRIS) has provided scientists with five new findings into how the sun's atmosphere, or corona, is heated far hotter than its surface, what causes the ... full story

Tiny 'Nanoflares' Might Heat the Sun's Corona

Oct. 16, 2014 — Why is the Sun's million-degree corona, or outermost atmosphere, so much hotter than the Sun's surface? This question has baffled astronomers for decades. Today, a team led by Paola Testa is ... full story

Journey to the Center of the Earth: Geochemist Uses Helium and Lead Isotopes to Gain Insight Into Makeup of Planet’s Deep Interior

Oct. 16, 2014 — A geochemist studying Samoan volcanoes has found evidence of the planet's early formation still trapped inside Earth. Known as hotspots, volcanic island chains such as Samoa can ancient primordial ... full story

Physicists Solve Longstanding Puzzle of How Moths Find Distant Mates

Oct. 21, 2014 — Physicists have come up with a mathematical explanation for moths' remarkable ability to find mates in the dark hundreds of meters away. The researchers said the results could also be applied widely ... full story

Recognizing Emotion in Text :-S the Business Benefits :-)

Oct. 21, 2014 — Researchers have advanced the field of affective computing -- the creation of computer systems that recognize, express and process human emotions -- by proposing a new way to recognize emotion in ... full story

World Record in Data Transmission With Smart Circuits

Oct. 21, 2014 — Fewer cords, smaller antennas and quicker video transmission. This may be the result of a new type of microwave circuit. The research team behind the circuits currently holds an attention-grabbing ... full story

Supercomputers Link Proteins to Drug Side Effects

Oct. 20, 2014 — New medications created by pharmaceutical companies have helped millions of Americans alleviate pain and suffering from their medical conditions. However, the drug creation process often misses many ... full story

1980s American Aircraft Helps Quantum Technology Take Flight

Oct. 20, 2014 — The X-29, an American experimental aircraft has inspired quantum computing researchers in a development which will bring the technology out of the ... full story

Smartphone Approach for Examining Progression of Diabetic Eye Disease Offers Comparable Results to Traditional Method

Oct. 18, 2014 — A smartphone-based tool may be an effective alternative to traditional ophthalmic imaging equipment in evaluating and grading severity of a diabetic eye disease, according to a study. The results of ... full story

iPhones for Eye Health: Capturing Ocular Images in Difficult-to-Photograph Patients

Oct. 18, 2014 — Smartphone technology is a widely available resource which may also be a portable and effective tool for imaging the inside of the eye, according to results of a study. Researchers are successfully ... full story

Action Video Games Bolster Sensorimotor Skills, Study Finds

Oct. 17, 2014 — People who play action video games such as Call of Duty or Assassin's Creed seem to learn a new sensorimotor skill more quickly than non-gamers do, psychology researchers have ... full story

New Circuit Design Could Unlock the Power of Experimental Superconducting Computer Chips

Oct. 17, 2014 — Computer chips with superconducting circuits -- circuits with zero electrical resistance -- would be 50 to 100 times as energy-efficient as today's chips, an attractive trait given the increasing ... full story

Scientific Breakthrough Will Help Design Antibiotics of the Future

Oct. 17, 2014 — Computer simulations have been used to show how bacteria are able to destroy antibiotics -- a breakthrough which will help develop drugs which can effectively tackle infections in the ... full story

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Let There Be Light: Evolution of Complex Bioluminescent Traits May Be Predictable

Oct. 21, 2014 — A longstanding question among scientists is whether evolution is predictable. A team of researchers from University of California Santa Barbara may have found a preliminary answer. The genetic ... full story

Predicting the Predator Threatening a Squirrel by Analyzing Its Sounds and Tail Movements

Oct. 21, 2014 — Biologists found the could quite accurately predict what type of predator was threatening a squirrel by analyzing its sounds and tail ... full story

BOFFFFs (Big, Old, Fat, Fertile, Female Fish) Sustain Fisheries

Oct. 21, 2014 — A new compilation of research from around the world now shows that big, old, fat, fertile, female fish -- known as BOFFFFs to scientists -- are essential for ensuring that fishery stocks remain ... full story

Coordination Between Gut Bacteria, Biological Clocks May Be Crucial for Preventing Obesity, Glucose Intolerance

Oct. 21, 2014 — Proper coordination between our gut bacteria and our biological clocks may be crucial for preventing obesity and glucose intolerance, scientists say. "Our gut bacteria's ability to coordinate their ... full story

Peanut in House Dust Linked to Peanut Allergy in Children With Skin Gene Mutation

Oct. 21, 2014 — A strong link between exposure to peanut protein in household dust during infancy and the development of peanut allergy in children genetically predisposed to a skin barrier defect has been ... full story

Norovirus Stomach Bug: Scientists Take Step Towards Drug to Treat

Oct. 21, 2014 — An experimental drug currently being trialled for influenza and Ebola viruses could have a new target: norovirus, often known as the winter vomiting virus. A team of researchers has shown that the ... full story

Bite to the Death: Sugarbag Bees Launch All-Conquering Raids

Oct. 21, 2014 — An Australian native stingless bee species declares war on its neighbors by launching swarms of bees that lock hive-defenders in a death grip with their jaws so that both combatants ... full story

Once CD8 T Cells Take on One Virus, They'll Fight Others Too

Oct. 21, 2014 — CD8 T cells are known for becoming attuned to fight a specific pathogen ('adaptive immunity'), but a new study shows that in that process they also become first-responders that can fend off a variety ... full story

Salmonella-Infected Mice That Were Given Antibiotics Became Superspreaders

Oct. 20, 2014 — Some people infected with pathogens spread their germs to others while remaining symptom-free themselves. Now, investigators believe they may know why. In a new study, Salmonella-infected mice that ... full story

Built-in Billboards: Male Bluefin Killifish Signal Different Things With Different Fins

Oct. 20, 2014 — They help fish swim, but fins also advertise a fish's social standing and health. In a new study, researchers report that for the male bluefin killifish (Lucania goodei), each colorful fin presents ... full story

Two Vessels from WWII Convoy Battle Off North Carolina Discovered: German U-Boat 576 and Freighter Bluefields Found Within 240 Yards

Oct. 21, 2014 — Scientists have discovered two significant vessels from World War II's Battle of the Atlantic. The German U-boat 576 and the freighter Bluefields were found approximately 30 miles off the coast of ... full story

Rising Above the Risk: America's First Tsunami Refuge

Oct. 21, 2014 — Washington's coast is so close to the seismically active Cascadia Subduction Zone that if a megathrust earthquake were to occur, a tsunami would hit the Washington shoreline in just 25 minutes. One ... full story

A Global Surge of Great Earthquakes from 2004-2014 and Implications for Cascadia

Oct. 21, 2014 — The last ten years have been a remarkable time for great earthquakes. Since December 2004 there have been no less than 18 quakes of Mw8.0 or greater -- a rate of more than twice that seen from 1900 ... full story

New Study Charts the Fate of Chemicals Affecting Health, Environment

Oct. 20, 2014 — The trajectory of chemicals appearing as emergent threats to human or environmental health has been recently studied through a meta-analysis of 143,000 peer-reviewed research papers. The work tracks ... full story

Fish Tale: New Study Evaluates Antibiotic Content in Farm-Raised Fish

Oct. 20, 2014 — Antibiotic use in the rapidly expanding world of global aquaculture has been examined in a new study. Results of the research evaluated the presence of antibiotics in shrimp, salmon, catfish, trout, ... full story

Secrets of Dinosaur Ecology Found in Fragile Amber

Oct. 20, 2014 — Ryan McKellar’s research sounds like it was plucked from Jurassic Park: he studies pieces of amber found buried with dinosaur skeletons. But rather than re-creating dinosaurs, he uses the tiny ... full story

Massive Debris Pile Reveals Risk of Huge Tsunamis in Hawaii

Oct. 20, 2014 — A mass of marine debris discovered in a giant sinkhole in the Hawaiian islands provides evidence that at least one mammoth tsunami, larger than any in Hawaii's recorded history, has struck the ... full story

Mediterranean, Semi-Arid Ecosystems Prove Resistant to Climate Change

Oct. 20, 2014 — Climate change predictions for the Middle East, like other arid regions of the world, are alarming. But in testing these dire predictions, ecologists found that, contrary to expectations, no ... full story

Breathing Sand: New Measurement Technique Detects Oxygen Supply to Bottom of North Sea

Oct. 20, 2014 — New analytical methods show for the first time, how the permeable, sandy sediment at the bottom of the North Sea is supplied with oxygen and which factors determine the exchange. Based on the ... full story

Earthquakes in the Ocean: Towards a Better Understanding of Their Precursors

Oct. 20, 2014 — New research offers the first theoretical model that, based on fluid-related processes, explains the seismic precursors of an underwater earthquake. Using quantitative measurements, this innovative ... full story

Protocells and Information Strings: Self-Organizing Autocatalytic Network Created in Computer Model

Oct. 20, 2014 — Protocells are the simplest, most primitive living systems, you can think of. However, creating an artificial protocell is far from simple. One of the challenges is to create the information strings ... full story

Mummy Remains Refute Antiquity of Ankylosing Spondylitis

Oct. 20, 2014 — Ankylosing spondylitis is a systemic disease that causes inflammation in the spinal joints and was thought to have affected members of the ancient Egyptian royal families. Now a new study refutes ... full story

Gene Duplications Associated With Autism Evolved Recently in Human History

Oct. 19, 2014 — Human geneticists have discovered that a region of the genome associated with autism contains genetic variation that evolved in the last 250,000 years, after the divergence of humans from ancient ... full story

Cellular Self-Destruct Program Has Deep Roots Throughout Evolution

Oct. 16, 2014 — In what seems like a counter-intuitive move against survival, within animals, some cells are fated to die from the triggering of an elaborate cell death program, known as apoptosis. Now, researchers ... full story

Cells' Powerhouses Were Once Energy Parasites: Study Upends Current Theories of How Mitochondria Began

Oct. 16, 2014 — Parasitic bacteria were the first cousins of the mitochondria that power cells in animals and plants -- and first acted as energy parasites in those cells before becoming beneficial, according to a ... full story

Evidence for Huge Mountains That Fed Early Life Discovered

Oct. 16, 2014 — Scientists have found evidence for a huge mountain range that existed in the supercontinent of Gondwana some 600 million years ago. It ran from modern west Africa to northeast Brazil, and as it ... full story

Digital Archaeology Changes Exploration of the Past

Oct. 15, 2014 — New ways of documenting and sharing artifacts are being explored in recent study. Archaeologists are now using the tools of the 21st century to explore the past, researchers say, and are exploring ... full story

Microfossils Reveal Warm Oceans Had Less Oxygen

Oct. 15, 2014 — Researchers are pairing chemical analyses with micropaleontology -- the study of tiny fossilized organisms -- to better understand how global marine life was affected by a rapid warming event more ... full story

Canary for Climate Change: How Past Extinctions Have Influenced Modern Distribution, Population Size of Existing Species

Oct. 15, 2014 — Wing-propelled diving seabirds, as well as their extinct relatives, may have served as an indicator species for environmental changes and faunal shifts, researchers suggest. The findings also ... full story

These Roos Were 'Made' for Walking, Study Suggests of Extinct Enigmas

Oct. 15, 2014 — Based on a rigorous comparative analysis of kangaroo anatomy, researchers posit that the ancient family of sthenurine kangaroos that lived until 30,000 years ago likely preferred walking to ... full story

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Controlling Ebola in West Africa Most Effective Way to Decrease International Risk, Expert Says

Oct. 20, 2014 — Controlling the Ebola virus outbreak at the source in West Africa is the most effective way to decrease international risk of transmission, according to a new research ... full story

Three People Infected With Ebola Predicted to Fly from West Africa Every Month If No Exit Screening Takes Place

Oct. 20, 2014 — Three Ebola-infected travelers are predicted to depart on an international flight every month from any of the three countries in West Africa currently experiencing widespread Ebola virus outbreaks ... full story

John Lennon Commemorated by Naming a New Tarantula Species from South America After Him

Oct. 20, 2014 — A newly described tarantula species from Western Brazilian Amazonia was named Bumba lennoni in honor of John Lennon, a founder member of the legendary band the Beatles. The new species is part of the ... full story

Fairness Is in the Brain, Scientists Say

Oct. 20, 2014 — Ever wondered how people figure out what is fair? Look to the brain for the answer. According to a new brain study, people appreciate fairness in much the same way as they appreciate money for ... full story

Medication Frequently, Unintentionally Given Incorrectly to Young Children

Oct. 20, 2014 — A new study shows how often adults make mistakes when giving medication to children. The study found that medication errors occur in a child every eight minutes in the United States, on average, and ... full story

Pathological Gambling Is Associated With Altered Opioid System in the Brain

Oct. 18, 2014 — All humans have a natural opioid system in the brain. Now new research has found that the opioid system of pathological gamblers responds differently to those of normal healthy ... full story

Blinded by Non-Science: Trivial Scientific Information Increases Trust in Products

Oct. 17, 2014 — Beware of trivial graphs and formulas, warns new research. The study found trivial graphs or formulas accompanying medical information can lead consumers to believe products are more ... full story

Myth-Conceptions: How Myths About the Brain Are Hampering Teaching

Oct. 16, 2014 — Myths about the brain are common among teachers worldwide and are hampering teaching, according to new research. The report highlights several areas where new findings from neuroscience are becoming ... full story

FDA, E-Cigarettes, and Demise of Combusted Tobacco

Oct. 15, 2014 — Two professors explore the popularity of e-cigarettes and point out that they could lead to the 'demise' of cigarette smoking and save thousands of lives, but not until they are proven safe and are ... full story

Reminding People of Their Religious Belief System Reduces Hostility, Study Shows

Oct. 15, 2014 — New research may shed some light on religion's actual influence on believers -- and the news is positive. Researchers hypothesized that being reminded of religious beliefs would normally promote less ... full story

Helping Outdoor Workers Reduce Skin Cancer Risk

Oct. 14, 2014 — Skin cancer is one of the biggest fears for one in two outdoor workers, and when the boss and staff work together the sun safe message gets through, a study has ... full story

Scientists Identify Method of Eradicating Harmful Impacts from Manufacturing Process

Oct. 8, 2014 — A novel technique for applying high-quality finishes in engineering industries could reduce the human and environmental impact by up to 98 percent, scientists ... full story

Private Telephone Conversations: Dynamic Encryption Keeps Secrets

Oct. 7, 2014 — Scientists have invented a new way to encrypt telephone conversations that makes it very difficult to ‘eavesdrop’. The invention can help to curb industrial ... full story

What Makes a Song Sing? Backup Singers

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

Job Loss Fears May Boost First-Time Asthma Risk

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

Burnout Caused by More Than Just Job Stress

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

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

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

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

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

Working During Depression Can Offer Health Benefits to Employees

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

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

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

More Physical Activity Improved School Performance in Swedish Study

Oct. 14, 2014 — Just two hours of extra physical activity each week can improve school performance, researchers report. This has been shown by a study of approximately 2,000 ... full story

Trying to Fool a Kindergartner? Not So Fast

Oct. 8, 2014 — A new study shows that by the age of five, children become wary of information provided by people who make overly confident ... full story

Why Is Educational Achievement Heritable?

Oct. 6, 2014 — The high heritability of exam grades reflects many genetically influenced traits such as personality, behavior problems, and self-efficacy and not just intelligence. The study looked at 13,306 twins ... full story

Kids' Oral Language Skills Can Predict Future Writing Difficulties

Oct. 6, 2014 — Children's future writing difficulties can be identified before they even learn how to begin writing, according to a new study. The research data also contradicts the popular belief that bilingualism ... full story

How Curiosity Changes the Brain to Enhance Learning

Oct. 2, 2014 — The more curious we are about a topic, the easier it is to learn information about that topic. New research provides insights into what happens in our brains when curiosity is piqued. The findings ... full story

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

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

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

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

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

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

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

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

Brain Scans Used to Forecast Early Reading Difficulties

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

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