Today's Science News

Tuesday, March 3, 2015

Featured Research

from universities, journals, and other organizations

First Ever Photograph of Light as a Particle and a Wave

Mar. 2, 2015 Light behaves both as a particle and as a wave. Since the days of Einstein, scientists have been trying to directly observe both of these aspects of light at the same time. Now, scientists have ... full story

Genetically Speaking, Mammals Are More Like Their Fathers

Mar. 2, 2015 You might resemble or act more like your mother, but a novel research study reveals that mammals are genetically more like their dads. Specifically, the research shows that although we inherit equal ... full story

Old-Looking Galaxy in a Young Universe: Astronomers Find Dust in the Early Universe

Mar. 2, 2015 Dust plays an extremely important role in the universe -- both in the formation of planets and new stars. But the earliest galaxies had no dust, only gas. Now an international team of astronomers has ... full story

First Detailed Microscopy Evidence of Bacteria at the Lower Size Limit of Life

Feb. 27, 2015 Scientists have captured the first detailed microscopy images of ultra-small bacteria that are believed to be about as small as life can get. The existence of ultra-small bacteria has been debated ... full story

Bumblebees Make False Memories, Too

Feb. 26, 2015 It's well known that our human memory can fail us. People can be forgetful, and they can sometimes also 'remember' things incorrectly, with devastating consequences in the classroom, ... full story

BPA Exposure Linked to Autism Spectrum Disorder, Study Reports

Mar. 2, 2015 A newly published study is the first to report an association between bisphenol-A (BPA), a common plasticizer used in a variety of consumer food and beverage containers, with autism spectrum disorder ... full story

Scientists Crack Piece of Neural Code for Learning, Memory

Mar. 2, 2015 Researchers describe how postmortem brain slices can be 'read' to determine how a rat was trained to behave in response to specific sounds, a new article suggests. The work provides one of ... full story

Results Challenge Conventional Wisdom About Where the Brain Begins Processing Visual Information

Mar. 2, 2015 Neuroscientists generally think of the front end of the human visual system as a simple light detection system: The patterns produced when light falls on the retina are relayed to the visual cortex ... full story

Sleep-Walking Neurons: Brain's GPS Never Stops Working -- Even During Sleep

Mar. 2, 2015 Navigational brain cells that help sense direction are as electrically active during deep sleep as they are during wake time, scientists have discovered. Such information could be useful in treating ... full story

Forbidden Atomic Transitions: Controlling Matter 1,000 Times More Precisely Using High-Resolution Spectroscopy

Mar. 2, 2015 A new twist on an old tool lets scientists use light to study and control matter with 1,000 times better resolution and precision than previously possible. Physicists have demonstrated ... full story

Breakthrough in Organic Light Emitting Diodes Technology

Mar. 2, 2015 Organic light emitting diodes (OLEDs), which are made from carbon-containing materials, have the potential to revolutionize future display technologies, making low-power displays so thin they'll ... full story

Peanut Consumption Associated With Decreased Total Mortality and Mortality from Cardiovascular Diseases

Mar. 2, 2015 Researchers have examined the association of nut and peanut consumption with mortality among low-income and racially diverse populations and found that intake of peanuts was associated with fewer ... full story

Living on the Edge: Stars Found Far from Galaxy Center

Feb. 27, 2015 Astronomers using data from NASA's Wide-field Infrared Survey Explorer, or WISE, have found a cluster of stars forming at the very edge of our Milky Way galaxy. This is the first time ... full story

Treadmill Performance Predicts Mortality

Mar. 2, 2015 Analyzing data from 58,000 heart stress tests, Johns Hopkins cardiologists report they have developed a formula that estimates one's risk of dying over a decade based on a person's ability ... full story

Beliefs Can Regulate Effects of Nicotine on the Human Brain

Feb. 26, 2015 Scientists have discovered that beliefs can regulate the effects of nicotine on the human brain. Two identical cigarettes led to a new discovery. Study participants inhaled nicotine, yet they showed ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

Treadmill Test Can Predict Chance Of Death Within A Decade

Treadmill Test Can Predict Chance Of Death Within A Decade

Newsy (Mar. 2, 2015) Johns Hopkins researchers analyzed 58,000 heart stress tests to come up with a formula that predicts a person's chances of dying in the next decade. Video provided by Newsy
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Black Hole 12 Billion Times the Size of Sun Discovered at Dawn of Universe

Black Hole 12 Billion Times the Size of Sun Discovered at Dawn of Universe

Buzz60 (Feb. 26, 2015) Scientists are saying they've spotted a black hole 12 billion time bigger than the sun. Patrick Jones (@Patrick_E_Jones) has the details. Video provided by Buzz60
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NASA's Dawn Spacecraft Spots Two Bright Points On Ceres

NASA's Dawn Spacecraft Spots Two Bright Points On Ceres

Newsy (Feb. 26, 2015) NASA scientists still don't have a clear picture of the bright spots showing up on the surface of Ceres, a minor planet in the asteroid belt. Video provided by Newsy
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Researchers Replace Damaged Hands With Prostheses

Researchers Replace Damaged Hands With Prostheses

Newsy (Feb. 25, 2015) Scientists in Austria have been able to fit patients who've lost the use of a hand with bionic prostheses the patients control with their minds. Video provided by Newsy
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last updated on 2015-03-03 at 2:28 am EST

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Disease-Carrying Fleas Abound on New York City's Rats

Mar. 2, 2015 In the first study of its kind since the 1920s, rats in New York City were found to carry a flea species capable of transmitting plague pathogens. Among them: 500-plus Oriental rat fleas, notorious ... full story

Colon + Septic Tank = Unique, at Times Stinky, Study

Mar. 2, 2015 What do a human colon, septic tank, copper nanoparticles and zebrafish have in common? They were the key components used by researchers to study the impact copper nanoparticles, which are found in ... full story

Scientists Override Body's Inflammatory Response

Mar. 2, 2015 Scientists who have discovered the mechanism of a protein that suppresses inflammation in the body, say the information could potentially be used to develop new drugs to control inflammation. The ... full story

Low Sugar Uptake in Brain Appears to Exacerbate Alzheimer's Disease

Mar. 2, 2015 A deficiency in the protein responsible for moving glucose across the brain's protective blood-brain barrier appears to intensify the neurodegenerative effects of Alzheimer's disease, according to a ... full story

Minors Easily Able to Purchase Electronic Cigarettes Online

Mar. 2, 2015 Teenagers in North Carolina were easily able to buy electronic cigarettes online because both Internet vendors and shipping companies failed to verifying ages in a study that assessed compliance with ... full story

Survey of Teen Dating Violence Among US High School Students

Mar. 2, 2015 A survey of US high school students suggests that 1 in 5 female students and 1 in 10 male students who date have experienced some form of teen dating violence (TDV) during the past 12 months. "These ... full story

Cerebral Blood Flow as a Possible Marker for Concussion Outcomes

Mar. 2, 2015 Cerebral blood flow recovery in the brain could be a biomarker of outcomes in patients following concussion, a new imaging study suggests. Most of the 3.8 million sports-related traumatic brain ... full story

Growth Screening Could Help Detect Celiac Disease in Kids

Mar. 2, 2015 Screening for five growth parameters helped detect celiac disease (CD) with good accuracy in both boys and girls because growth falters in most children with CD, according to a new article. CD is an ... full story

Healthy-Looking Prostate Cells Mask Cancer-Causing Mutations

Mar. 2, 2015 Prostate cells that look normal under the microscope may be hiding genetic mutations that could develop into cancer, prompting new ways to improve treatment for the disease, according to research. ... full story

Basal Cell Carcinoma Drug Encourages Both Cancer Regression and Loss of Taste in Patients

Mar. 2, 2015 Many patients undergoing chemotherapy experience severe taste disruptions that make eating a challenge at a time when maintaining good nutrition is extremely important. Now, researchers report that ... full story

Is 'the Dress' White and Gold or Blue and Black? Visual Perception Expert Weighs in

Mar. 2, 2015 On Feb. 26, a picture of a cocktail dress originally uploaded to the blog Tumblr swept the Internet and managed to divide the population over a simple question: What color is the dress? Some viewers ... full story

Insulin Resistance in the Brain, Behavioral Disorders: Direct Link Found

Mar. 2, 2015 People with diabetes are more prone to anxiety and depression than those with other chronic diseases that require similar levels of management. Genetically modifying mice to make their brains ... full story

Study Identifies Teens at-Risk for Synthetic Marijuana Use

Mar. 2, 2015 One of the first American national studies to examine risk factors for use of synthetic marijuana among a large, nationally representative sample of teens. Popular among teens, in 2011, synthetic ... full story

New Target Identified in Fight Against Alzheimer's, Multiple Sclerosis

Mar. 2, 2015 Highlighting a potential target in the treatment of multiple sclerosis (MS) and Alzheimer’s disease, new research suggests that triggering a protein found on the surface of brain cells may help ... full story

Licorice Manufacturers Encouraged to State Daily Limit of Consumption

Mar. 2, 2015 A recent case study details the account of a 10-year-old boy who suffered seizures after over-indulging in licorice sweets. The boy was admitted to hospital in Bologna, Italy after suffering a 2 ... full story

With Kids' Antipsychotic Treatment on the Rise, Study Looks at Prescriber Decision-Making

Mar. 2, 2015 More kids nationwide are taking medications designed to treat such mental health illnesses as schizophrenia and bipolar disorder. Pediatricians and psychiatrists have conducted a study to determine ... full story

Alzheimer Amyloid Clumps Found in Young Adult Brains

Mar. 2, 2015 Amyloid -- an abnormal protein that's a hallmark of Alzheimer's -- starts accumulating inside neurons of people as young as 20, reports a study. This is the first time amyloid accumulation has been ... full story

Kids Who Lack Sympathy More Likely to Share With Virtuous Friends

Mar. 2, 2015 Children who sometimes lack sympathy for others are more likely to share resources with those friends if they respect their morals suggests a paper. The study sought to explore the reciprocal ... full story

Teachers Become Healthier When They Learn

Mar. 2, 2015 Several studies have indicated a connection between learning and health. Researchers have now found that the health of school teachers is related to their level of work integrated ... full story

Heart Valve Repair Significantly Improves Emotional Wellbeing in Patients With Mitral Regurgitation

Mar. 2, 2015 Patients with severe mitral regurgitation (MR) often suffer from psycho-emotional symptoms, such as depression and anxiety, but after undergoing mitral valve repair surgery patients experience a ... full story

Study on Adolescent Bariatric Surgery Safety Concludes

Mar. 2, 2015 Cardiovascular risks of severe pediatric obesity, assessed among a recent study, have been recently published. The authors found that severely obese adolescents carry not only excess weight, but also ... full story

Lycopene May Ward Off Kidney Cancer in Older Women

Mar. 2, 2015 A higher intake by postmenopausal women of the natural antioxidant lycopene, found in foods like tomatoes, watermelon and papaya, may lower the risk of renal cell carcinoma, a type of kidney cancer, ... full story

Mutation May Cause Early Loss of Sperm Supply

Mar. 2, 2015 Problems in a gene responsible for producing the protein TAF4b leave mice -- and maybe men -- unable to sustain sperm production. As embryos, mice lacking the protein failed to develop an adequate ... full story

Why Nitrate Supplementation May Increase Athletic Performance

Mar. 2, 2015 Walk down the aisles of any food supplement store and you'll see that the use of nitrate supplements by athletes and fitness buffs has been popular for years. The hope is that these supplements will ... full story

On-Board School Bus Filtration System Reduces Pollutants by 88 Percent

Mar. 2, 2015 An on-board air filtration system developed specifically for school buses reduces exposure to vehicular pollutants by up to 88 percent, according to a new ... full story

Pediatricians Face Increasing Pressure to Delay Vaccinations, and More Are Giving in to Parents' Requests

Mar. 2, 2015 Pediatricians are facing increasing pressure from some parents who want to spread out the recommended vaccine schedule for their children by postponing vaccines, pointing to a need for improved ... full story

Psychology of Food Choice: Challenging the Status Quo

Feb. 28, 2015 Researchers are challenging conventional beliefs about the effectiveness of traditional strategies for encouraging healthy eating. Researchers tackle issues such as the harmfulness of weight-stigma, ... full story

Introverts Prefer Mountains

Feb. 27, 2015 In a series of three studies, researchers tested whether there is a link between personality and an aspect of physical ecology: flat terrain versus mountainous terrain. The study found that only one ... full story

Aggressive Boys Tend to Develop Into Physically Stronger Teens

Feb. 27, 2015 Boys who show aggressive tendencies develop greater physical strength as teenagers than boys who are not aggressive, according to new research. Research has suggested a link between male upper-body ... full story

Feast-and-Famine Diet Could Help Extend Life, Study Suggests

Feb. 27, 2015 Think of it as interval training for the dinner table. Fasting has been shown in mice to extend lifespan and to improve age-related diseases. But fasting every day, which could entail skipping meals ... full story

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Pens Filled With High-Tech Inks for Do-It-Yourself Sensors

Mar. 2, 2015 A new simple tool developed by nanoengineers is opening the door to an era when anyone will be able to build sensors, anywhere, including physicians in the clinic, patients in their home and soldiers ... full story

Important Step Towards Quantum Computing: Metals at Atomic Scale

Mar. 2, 2015 Scientists report that they could observe experimentally the current flow along channels at the crystal surfaces of topological insulators. The channels are less than one nanometer wide and extend ... full story

Clever Application of Magnetic Force Enhances Laparoscopic Surgery

Mar. 2, 2015 A team of engineers is using magnetic force to design new and improved instruments for minimally invasive surgery. The use of magnetic actuation allows them to create tools that are more flexible and ... full story

Smart Crystallization

Mar. 2, 2015 The first semi-liquid, non-protein nucleating agent for automated protein crystallization trials is described. This 'smart material' is demonstrated to induce crystal growth and will provide a ... full story

Scientists Trick the Light Fantastic

Mar. 2, 2015 What if one day, your computer, TV or smart phone could process data with light waves instead of an electrical current, making those devices faster, cheaper and more sustainable through less heat and ... full story

Blend of Polymers Could One Day Make Solar Power Lighter, Cheaper and More Efficient

Mar. 2, 2015 Scientists are reporting advances on how to one day make solar cells stronger, lighter, more flexible and less expensive when compared with the current silicon or germanium technology on the ... full story

Aerogel Catalyst Shows Promise for Fuel Cells: Unzipped Nanotubes Turned Into Possible Alternative for Platinum

Mar. 2, 2015 Aerogels made of graphene nanoribbons and modified with boron and nitrogen are more efficient catalysts for fuel cells and air-metal batteries than expensive platinum is, according to ... full story

Lab-on-Paper Developed for Rapid, Inexpensive Medical Diagnostics

Mar. 2, 2015 A new paper-based platform has been created for conducting a wide range of complex medical diagnostics. The key development was the invention of fluid actuated valves embedded in the paper that allow ... full story

Supersonic Electrons Could Produce Future Solar Fuel

Mar. 2, 2015 Researchers have taken a step closer to producing solar fuel using artificial photosynthesis. In a new study, they have successfully tracked the electrons’ rapid transit through a light-converting ... full story

Interventional Radiology Offers New Treatment for Enlarged Prostates

Mar. 2, 2015 Men with benign prostatic hyperplasia, a condition in which the prostate is enlarged but not cancerous, have a new, breakthrough treatment ... full story

Core Work: Iron Vapor Gives Clues to Formation of Earth and Moon

Mar. 2, 2015 One of the world's most powerful radiation sources provides scientists clues about Earth's formation and how iron ... full story

NASA Spacecraft Nears Historic Dwarf Planet Arrival

Mar. 2, 2015 NASA's Dawn spacecraft has returned new images captured on approach to its historic orbit insertion at the dwarf planet Ceres. Dawn will be the first mission to successfully visit a dwarf planet when ... full story

‘Superhero Vision’ Technology Measures European Lake’s Water Quality from Space

Mar. 2, 2015 An international team of researchers has demonstrated a way to assess the quality of water on Earth from space by using satellite technology that can visualize pollution levels otherwise invisible to ... full story

Life 'Not as We Know It' Possible on Saturn's Moon Titan

Feb. 27, 2015 A new type of methane-based, oxygen-free life form that can metabolize and reproduce similar to life on Earth has been modeled. It is theorized to have a cell membrane, composed of small organic ... full story

Freeze! Watching Alloys Change from Liquid to Solid Could Lead to Better Metals

Feb. 26, 2015 If you put a camera in the ice machine and watched water turn into ice, the process would look simple. But the mechanism behind liquids turning to solids is actually quite complex, and understanding ... full story

New NASA Space Cowboy Successfully Deploys Its 'Lasso'

Feb. 26, 2015 Like a cowboy at a rodeo, NASA's newest Earth-observing satellite, the Soil Moisture Active Passive (SMAP), has triumphantly raised its "arm" and unfurled a huge golden "lasso" (antenna) that it will ... full story

New Insight Found in Black Hole Collisions

Feb. 26, 2015 New research by an astrophysicist provides revelations about the most energetic event in the universe -- the merging of two spinning, orbiting black holes into a much larger black ... full story

MUSE Goes Beyond Hubble: Looking Deeply Into the Universe in 3-D

Feb. 26, 2015 The MUSE instrument on ESO's Very Large Telescope has given astronomers the best ever three-dimensional view of the deep universe. After staring at the Hubble Deep Field South region for only 27 ... full story

Pockets of Calm Protect Molecules Around a Supermassive Black Hole

Feb. 26, 2015 Researchers have discovered regions where certain organic molecules somehow endure the intense radiation near the supermassive black hole at the center of galaxy NGC 1068, also known to amateur ... full story

Monster Black Hole Discovered at Cosmic Dawn

Feb. 25, 2015 The discovery of the brightest quasar in the early universe, powered by the most massive black hole yet known at that time presents a puzzle to researchers: How could something so massive and ... full story

Perfect NCAA Bracket? Near Impossible: Mathematician Says

Mar. 2, 2015 The odds of picking a perfect bracket for the NCAA men's basketball March Madness championship tournament are a staggering less than one in 9.2 quintillion (that's 9,223,372,036,854,775,808), ... full story

3-D Printing Offers Innovative Method to Deliver Medication

Mar. 2, 2015 3-D printing could become a powerful tool in customizing interventional radiology treatments to individual patient needs, with clinicians having the ability to construct devices to a specific size ... full story

The Better to See You With: Prosthetic Leg Would Keep an Eye on Path Ahead

Feb. 27, 2015 A mechanical engineer and his team have developed a computer-controlled camera that enables their robotic ankle to see where it is ... full story

Predicting Human Crowds With Statistical Physics

Feb. 27, 2015 A general law of how pedestrians interact in a crowd can be used to create realistic crowds in virtual reality games and to make public spaces ... full story

Zombie Outbreak? Statistical Mechanics Reveals the Ideal Hideout; And Informs Real Disease Modeling

Feb. 27, 2015 A team researchers focusing on a fictional zombie outbreak as an approach to disease modeling suggests heading for the hills, in the Rockies, to save your brains from the ... full story

QR Codes With Advanced Imaging and Photon Encryption Protect Computer Chips

Feb. 27, 2015 Engineers have taken the ordinary QR code and transformed it into a high-end cybersecurity application that can protect the integrity of computer chips using advanced optical imaging and photon-based ... full story

Quantum Radar to Detect Objects Which Are Invisible to Conventional Systems

Feb. 27, 2015 A prototype quantum radar that has the potential to detect objects which are invisible to conventional systems has now been ... full story

Economic Models Provide Insights Into Global Sustainability Challenges

Feb. 26, 2015 Using models that blend global economics, geography, ecology and environmental sciences is essential to understanding how changes in trade and natural systems in one part of the world affect those in ... full story

How Central Are Online Social Networks to Our Lives?

Feb. 26, 2015 Social networks such as Facebook, LinkedIn and Twitter play an increasingly central role in our lives. Centrality is also an important concept in the theory of social networks. Centrality of an ... full story

Optical Features Embedded in Marine Shells May Help Develop Responsive, Transparent Displays

Feb. 26, 2015 The blue-rayed limpet is a tiny mollusk that lives in kelp beds along the coasts of Norway, Iceland, the United Kingdom, Portugal, and the Canary Islands. These diminutive organisms -- as small as a ... full story

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Munching Bugs Thwart Eager Trees, Reducing the Carbon Sink

Mar. 2, 2015 Hungry, plant-eating insects may limit the ability of forests to take up elevated levels of carbon dioxide in the atmosphere, reducing their capacity to slow human-driven climate change, a new study ... full story

Environment May Change, but Microbiome of Queen Bees Does Not

Mar. 2, 2015 Researchers have characterized the gut microbiome of honey bee queens. This is the first thorough census of the gut microbiome -- which consists of all the microorganisms that live in the gut of the ... full story

Norwegian Mammals and Birds Have Many Different Methods of Surviving Long, Intense Winter Nights

Mar. 2, 2015 Norwegian mammals and birds have many different methods of surviving long, intense winter nights. A biologist reveals their secrets for ... full story

Enhancing High-Temperature Tolerance in Plants: Effective on Rice and Tomatoes

Mar. 2, 2015 Agricultural researchers have identified for the first time that theE-2-hexenal, a plant-derived chemical substance, can induce a plant's stress response to high ... full story

Borrowing from Whales to Engineer a New Fluid Sensor

Mar. 2, 2015 Researchers have borrowed from biological structures called tubercles that humpback whales use to maneuver in the ocean to make a piezoelectric energy harvester for use as an airflow or fluid speed ... full story

Genetics Reveals Where Emperor Penguins Survived the Last Ice Age

Mar. 1, 2015 A study of how climate change has affected emperor penguins over the last 30,000 years found that only three populations may have survived during the last ice age, and that the Ross Sea in Antarctica ... full story

Research of Plain Wren Duets Could Help Further Understand Fundamentals of Conversation

Feb. 27, 2015 Known for their beautiful singing duets, plain wrens of Costa Rica perform precise phrase-by-phrase modifications to the duration between two consecutive phrases, achieving careful coordination as ... full story

Mystery of the Reverse-Wired Eyeball Solved

Feb. 27, 2015 Counter-intuitively, in vertebrates photoreceptors are located behind the neurons in the back of the eye. Now physicists explain why the neural wiring seems to be ... full story

Cryptochrome Protein Helps Birds Navigate Via Magnetic Field

Feb. 27, 2015 Researchers have found one one possible explanation for some birds' ability to sense the earth's magnetic field and use it to orient themselves: a magnetically sensitive protein called cryptochrome ... full story

HIV Controls Its Activity Independent of Host Cells

Feb. 27, 2015 A major hurdle to curing people of HIV infection is the way the virus hides in a reservoir composed primarily of dormant immune cells. It is generally believed that HIV does not replicate in these ... full story

How Were Fossil Tracks Made by Early Triassic Swimming Reptiles So Well Preserved?

Feb. 27, 2015 That swim tracks made by tetrapods occur in high numbers in deposits from the Early Triassic is well known. What is less clear is why the tracks are so abundant and well preserved. Paleontologists ... full story

Sun Has More Impact on the Climate in Cool Periods

Feb. 27, 2015 The activity of the Sun is an important factor in the complex interaction that controls our climate. New research now shows that the impact of the Sun is not constant over time, but has greater ... full story

Modern Logging Techniques Benefit Rainforest Wildlife

Feb. 27, 2015 The value of a modern logging technique has been revealed for maintaining biodiversity in tropical forests that are used for timber production. The most comprehensive study of Reduced-Impact Logging ... full story

Submarine Data Used to Investigate Turbulence Beneath Arctic Ice

Feb. 27, 2015 Using recently released Royal Navy submarine data, researchers have investigated the nature of turbulence in the ocean beneath the Arctic sea-ice. Recent decreases in Arctic sea ice may have a big ... full story

The Biobattery: Turning Sewage Sludge Into Electricity and Engine Oil

Feb. 27, 2015 Sewage sludge, green waste, production residue from the food industry, straw or animal excrement – with the biobattery‘s modular concept a much larger range of biomass can be utilized for energy ... full story

Newly Discovered Algal Species Helps Corals Survive in the Hottest Reefs on the Planet

Feb. 27, 2015 A new species of algae has been discovered in reef corals of the Persian Gulf where it helps corals to survive seawater temperatures of up to 36 degrees Celsius -- temperatures that would kill corals ... full story

Wind-Powered Freighters

Feb. 27, 2015 To make ships more eco-efficient, engineers have been working with alternative fuels. A Norwegian engineer is currently pursuing a new approach: With VindskipTM, he has designed a cargo ship that is ... full story

DNA Evidence Shows Surprise Cultural Connections Between Britain and Europe 8,000 Years Ago

Feb. 27, 2015 DNA evidence shows surprise cultural connections between Britain and Europe 8,000 years ago. Researchers found evidence for a variety of wheat at a submerged archaeological site off the south coast ... full story

Level of Pollutants Accumulated in the Body Linked to Obesity Levels

Feb. 27, 2015 Scientists have confirmed that there is a relation between the levels of certain environmental pollutants that a person accumulates in his or her body and his or her level of obesity. Subjects with ... full story

Embrace Unknowns, Opt for Flexibility in Environmental Policies, Experts Say

Feb. 26, 2015 We make hundreds, possibly thousands, of decisions each day without having full knowledge of what will happen next. Life is unpredictable, and we move forward the best we can despite not knowing ... full story

Archaeologists Open Mysterious Lead Coffin Found Buried Just Feet from the Former Grave of King Richard III

Mar. 2, 2015 Richard III is the only male to be discovered at infamous former car-park site. A mysterious lead coffin found close to the site of Richard III's hastily dug grave at the Grey Friars friary has now ... full story

How Mantis Shrimp Evolved Many Shapes With Same Powerful Punch

Feb. 26, 2015 The miniweight boxing title of the animal world belongs to the mantis shrimp, a cigar-sized crustacean whose front claws can deliver an explosive 60-mile-per-hour blow akin to a bullet leaving the ... full story

Crocodiles Rocked Pre-Amazonian Peru: Seven Crocodile Species Found in Single 13-Million-Year-Old Bone Bed

Feb. 24, 2015 Thirteen million years ago, as many as seven different species of crocodiles hunted in the swampy waters of what is now northeastern Peru, new research shows. This hyperdiverse assemblage, revealed ... full story

Climate-Change Clues from Turtles of Tropical Wyoming

Feb. 24, 2015 Tropical turtle fossils discovered in Wyoming reveal that when Earth got warmer, prehistoric turtles headed north. But if today's turtles try the same technique to cope with warming habitats, they ... full story

Kenyan Fossils Show Evolution of Hippos

Feb. 24, 2015 A French-Kenyan research team has just described a new fossil ancestor of today's hippo family. This discovery bridges a gap in the fossil record separating these animals from their closest ... full story

Asian Tree Rings Explain Historical Plague Outbreaks in Europe

Feb. 24, 2015 Climate-driven plague outbreaks in Asia were repeatedly transmitted over several centuries into southern European harbors, an international team of researchers has found. This finding contrasts the ... full story

Sea Urchins, Sand Dollars Thrived With Time

Feb. 23, 2015 New work on echinoids -- marine animals like sea urchins and sand dollars -- gives scientists a reason to rethink a classical pattern of evolution. Fossil-based studies have traditionally indicated ... full story

Ancient and Modern Cities Aren't So Different

Feb. 20, 2015 Despite notable differences in appearance and governance, ancient human settlements function in much the same way as modern cities, according to new ... full story

Greenland Is Melting: The Past Might Tell What the Future Holds

Feb. 20, 2015 Scientists have managed to quantify how the Greenland Ice Sheet reacted to a warm period 8,000-5,000 years ago. Back then temperatures were 2-4 degrees C warmer than they are in the present. Their ... full story

Out of Africa: Did Humans Migrate Quickly and All-at-Once or in Phases Based on Weather?

Feb. 20, 2015 Considerable debate surrounds the migration of human populations out of Africa. Two predominant hypotheses concerning the timing contrast in their emphasis on the role of the Arabian interior and its ... full story

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Global Health Experts Call Into Question Sub-Saharan Cancer Data

Feb. 27, 2015 Global health experts believe the current data on cancer prevalence, incidence and mortality in sub-Saharan Africa -- which determines how billions of pounds of international development money is ... full story

Suicide Rates Rising for Older US Adults

Feb. 27, 2015 Suicide rates for adults 40-64 years of age in the US have risen about 40 percent since 1999, with a sharp rise since 2007. One possible explanation could be the detrimental effects of the economic ... full story

Experts Warn of Stem Cell Underuse as Transplants Reach One Million Worldwide

Feb. 27, 2015 Findings of a new reveal striking variations between countries and regions in the use of this lifesaving stem cell transplantation, and high unmet need due to a chronic shortage of resources and ... full story

Women Veterans Younger, More Depressed When Referred for Heart Test

Feb. 27, 2015 Women veterans face a different home front battle with heart disease. Younger and more depressed when getting attention for chest pain -- heart tests often show a surprising ... full story

Adults Wtih Disabilities Screened for Cancer Less Often

Feb. 26, 2015 Adults with intellectual and developmental disabilities are much less likely to be screened for colorectal cancer, research shows. "As individuals with intellectual and developmental disabilities ... full story

'Ecosystem Services' Help Assess Ocean Energy Development

Feb. 26, 2015 Environmental scientists suggest that the way to fill vast gaps in knowledge about the ecological and socioeconomic impacts of ocean energy development is to consider how the benefits provided by ... full story

Could Squirmy Livestock Dent Africa's Protein Deficit?

Feb. 26, 2015 Two graduate students are working to introduce highly productive kits for farming mealworms to regions such as sub-Saharan Africa where eating insects is already culturally palatable. They are just ... full story

Teacher Prejudices Put Girls Off Math, Science, Study Suggests

Feb. 26, 2015 Although higher education has already opened the door to equal opportunities for women and minorities in the US in the math and science professions, a new study suggests that elementary school ... full story

Thinking of God Makes People Bigger Risk-Takers, Study Suggests

Feb. 26, 2015 Reminders of God can make people more likely to seek out and take risks, according to research. The findings suggest that people are willing to take these risks because they view God as providing ... full story

IPCC Sea-Level Rise Scenarios Not Fit for Purpose for High-Risk Coastal Areas

Feb. 26, 2015 The sea-level rise scenarios of the Intergovernmental Panel on Climate Change (IPCC) do not necessarily provide the right information for high-risk coastal decision-making and management, according ... full story

Amphetamine Gets the Job Done: Using Drugs to Work Long Hours

Feb. 20, 2015 Drugs are usually associated with vulnerable social groups. New research reveals that amphetamine, however, is used by some in physically demanding manual jobs - to sustain long working ... full story

Basic Personality Changes Linked to Unemployment, Study Finds

Feb. 18, 2015 Unemployment can change peoples' core personalities, making some less conscientious, agreeable and open, which may make it difficult for them to find new jobs, according to new ... full story

Leader of the Pack: Study of Voles and Owls Show Rise of Individuals With Greatest Influence on Collective Group Behavior

Feb. 18, 2015 Who takes charge during a disaster or at an accident scene? The question has intrigued sociologists since Gustave Le Bon first studied "herd behavior" in nineteenth-century France. The question of an ... full story

How Income Fraud Made the Housing Bubble Worse

Feb. 18, 2015 New research reveals that, in low-income zip codes, IRS-reported incomes and earnings reported on mortgages in fact differed wildly from 2002 to 2005. The researchers place the blame for falsified ... full story

Women Seek Greater Variety in Men and Consumer Products Near Ovulation

Feb. 17, 2015 New research suggests women seek more options in dating partners near ovulation -- when they are most fertile -- which may lead them to also seek a greater variety of products and ... full story

Workplace Bullying a Vicious Circle

Feb. 17, 2015 Bullying at work grinds victims down and makes them an 'easy target' for further abuse according to new research. The research suggests that employers should not only crack down on workplace bullies, ... full story

People Value Resources More Consistently When They Are Scarce

Feb. 12, 2015 We tend to be economically irrational when it comes to choosing how we use resources like money and time but scarcity can convert us into economically rational decision makers, according to new ... full story

An Internet of Things Reality Check

Feb. 9, 2015 Connecting different kinds of devices, not just computers and communications devices, to the Internet could lead to new ways of working with a wide range of machinery, sensors, domestic and other ... full story

Increasing Individualism in US Linked With Rise of White-Collar Jobs

Feb. 5, 2015 Rising individualism in the United States over the last 150 years is mainly associated with a societal shift toward more white-collar occupations, according to new research. The study, which looked ... full story

Novel Method Projects Growth Potential of New Firms: Which Tech Businesses Will Thrive?

Feb. 5, 2015 New businesses spring up all the time in the U.S. But which ones have the greatest ability to become big? A new method based on an empirical study, projects the growth potential of high-tech firms ... full story

Biology Teachers: Understanding Faith, Teaching Evolution Not Mutually Exclusive

Feb. 25, 2015 Discussing the relationship between science and faith, rather than avoiding the discussion, may better prepare future high school biology teachers for anticipating questions about evolution, ... full story

Education 'Experts' Cited in News Stories May Lack Expertise, Study Finds

Feb. 20, 2015 A study of education experts cited in news stories and blogs during 2013 finds that some lack background in education policy and ... full story

Delaying Children's School Entry Linked to Poor Academic Performance

Feb. 19, 2015 Delaying school entry for children could cause poorer academic performance, according to new research. Many parents are keen to hold their children back a year if they were born prematurely or in the ... full story

Teens Increasingly Sleep Deprived

Feb. 16, 2015 A new study found that female students, racial/ethnic minorities, and students of lower socioeconomic status are less likely to report regularly getting seven or more hours of sleep each night ... full story

Learning With All the Senses: Movement, Images Facilitate Vocabulary Learning

Feb. 5, 2015 "Atesi" -- what sounds like a word from the Elven language of Lord of the Rings is actually a Vimmish word meaning "thought". Scientists have used Vimmish, an artificial language specifically ... full story

Public and Scientists Express Strikingly Different Views About Science-Related Issues

Jan. 29, 2015 Despite similar views about the overall place of science in America, the general public and scientists often see science-related issues through a different lens, according to a new pair of ... full story

Can Synesthesia Be Taught? Colored Letters, Tasty Sounds?

Jan. 29, 2015 Can synesthesia have cognitive benefits and can it be taught? There are over 60 known types of synesthesia, a condition in which stimulation of one sense, such as taste, leads to automatic, ... full story

Concentrating on Word Sounds Helps Reading Instruction and Intervention

Jan. 28, 2015 A neuroimaging study by psychologist suggests that phonics shouldn't be overlooked in favor of a whole-language technique, a finding that could help improve treatment and diagnosis of common reading ... full story

Playing With Puzzles, Blocks May Build Children's Spatial Skills

Jan. 28, 2015 Play may seem like fun and games, but new research shows that specific kinds of play are actually associated with development of particular cognitive skills. Data from an American nationally ... full story

Students Master Math Through Movement Using Kinect for Windows

Jan. 26, 2015 Significant gains in the understanding of angles and angle measurements by elementary school students are seen in those who performed body-based tasks while interacting with a Kinect for Windows ... full story

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