Today's Science News

Tuesday, September 23, 2014

Featured Research

from universities, journals, and other organizations

Firelight Talk of the Kalahari Bushmen: Did Tales Told Over Fires Aid Our Social and Cultural Evolution?

Sep. 22, 2014 — A study of Africa's Kalahari Bushmen suggests that stories told over firelight helped human culture and thought evolve by reinforcing social traditions, promoting harmony and equality, and ... full story

Infant Solar System Shows Signs of Windy Weather

Sep. 22, 2014 — Astronomers have observed what may be the first-ever signs of windy weather around a T Tauri star, an infant analog of our own Sun. This may help explain why some T Tauri stars have disks that glow ... full story

Immune System of Newborn Babies Stronger Than Previously Thought

Sep. 21, 2014 — Contrary to what was previously thought, newborn immune T cells may have the ability to trigger an inflammatory response to bacteria, according to a new study. Although their immune system works very ... full story

Physicists Teleport Quantum State of Photon to Crystal Over 25 Kilometers

Sep. 21, 2014 — Physicists have succeeded in teleporting the quantum state of a photon to a crystal over 25 kilometers of optical fiber. The experiment constitutes a first, and simply pulverizes the previous record ... full story

Hadrosaur With Huge Nose Discovered: Function of Dinosaur's Unusual Trait a Mystery

Sep. 19, 2014 — Call it the Jimmy Durante of dinosaurs -- a newly discovered hadrosaur with a truly distinctive nasal profile. The new dinosaur, named Rhinorex condrupus by paleontologists, lived in what is now Utah ... full story

Search for Better Biofuels Microbes Leads to Human Gut

Sep. 23, 2014 — Scientists have scoured cow rumens and termite guts for microbes that can efficiently break down plant cell walls for the production of next-generation biofuels, but some of the best microbial ... full story

Future Flexible Electronics Based on Carbon Nanotubes

Sep. 23, 2014 — Researchers have demonstrated a new method to improve the reliability and performance of transistors and circuits based on carbon nanotubes, a semiconductor material that has long been considered by ... full story

Food Affected by Fukushima Disaster Harms Animals, Even at Low-Levels of Radiation, Study Shows

Sep. 23, 2014 — Butterflies eating food collected from cities around the Fukushima nuclear meltdown site showed higher rates of death and disease, according to a study. "Our study demonstrated that eating ... full story

Termites Evolved Complex Bioreactors 30 Million Years Ago

Sep. 23, 2014 — Achieving complete breakdown of plant biomass for energy conversion in industrialized bioreactors remains a complex challenge, but new research shows that termite fungus farmers solved this problem ... full story

Artificial Intelligence That Imitates Children’s Learning

Sep. 23, 2014 — The computer programs used in the field of artificial intelligence (AI) are highly specialized. They can for example fly airplanes, play chess or assemble cars in controlled industrial environments. ... full story

Directed Evolution: Bioengineered Decoy Protein May Stop Cancer from Spreading

Sep. 21, 2014 — A decoy protein has been designed by researcher to interrupt the signaling pathway that triggers the breakaway of cancerous cells; in other words the signal that initiates metastasis. Preliminary ... full story

Mown Grass Smell Sends SOS for Help in Resisting Insect Attacks

Sep. 22, 2014 — The smell of cut grass in recent years has been identified as the plant’s way of signalling distress, but new research says the aroma also summons beneficial insects to the rescue. Such findings ... full story

Dry Roasting Could Help Trigger Peanut Allergy

Sep. 21, 2014 — Dry roasted peanuts are more likely to trigger an allergy to peanuts than raw peanuts, suggests a study involving mice. The researchers say that specific chemical changes caused by the high ... full story

On/off Switch for Aging Cells Discovered by Scientists

Sep. 20, 2014 — An on-and-off “switch” has been discovered in cells that may hold the key to healthy aging. This switch points to a way to encourage healthy cells to keep dividing and generating, for example, ... full story

Smallest Possible Diamonds Form Ultra-Thin Nanothreads

Sep. 21, 2014 — For the first time, scientists have discovered how to produce ultra-thin 'diamond nanothreads' that promise extraordinary properties, including strength and stiffness greater than that of ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

The Hyped-Up Big Bang Discovery Has A Dust Problem

The Hyped-Up Big Bang Discovery Has A Dust Problem

Newsy (Sep. 22, 2014) — An analysis of new satellite data casts serious doubt on a previous study about the Big Bang that was once hailed as revolutionary. Video provided by Newsy
Powered by NewsLook.com
NASA's MAVEN Spacecraft Has Finally Reached Mars

NASA's MAVEN Spacecraft Has Finally Reached Mars

Newsy (Sep. 22, 2014) — After a 10-month voyage through space, NASA's MAVEN spacecraft is now orbiting the Red Planet. Video provided by Newsy
Powered by NewsLook.com
What This MIT Sensor Could Mean For The Future Of Robotics

What This MIT Sensor Could Mean For The Future Of Robotics

Newsy (Sep. 20, 2014) — MIT researchers developed a light-based sensor that gives robots 100 times the sensitivity of a human finger, allowing for "unprecedented dexterity." Video provided by Newsy
Powered by NewsLook.com
MIT BioSuit A New Take On Traditional Spacesuits

MIT BioSuit A New Take On Traditional Spacesuits

Newsy (Sep. 19, 2014) — The MIT BioSuit could be an alternative to big, bulky traditional spacesuits, but the concept needs some work. Video provided by Newsy
Powered by NewsLook.com

More Science News


Read about the latest discoveries from the world's leading universities and research organizations:

Subscribe for Free


Stay up to date with all of ScienceDaily's news, delivered daily to your email inbox or RSS reader:

News by Topic

last updated on 2014-09-23 at 2:23 pm EDT

jump to:    Health  |  Tech  |  Enviro  |  Society

Clues to Superbug Evolution: Microbiologists Sequence Entire Genome of a Klebsiella Pneumoniae Strain

Sep. 23, 2014 — Imagine going to the hospital with one disease and coming home with something much worse, or not coming home at all. With the emergence and spread of antibiotic-resistance pathogens, ... full story

Gene Mutation Discovered in Blood Disorder Aplastic Anemia

Sep. 23, 2014 — A gene mutation that causes aplastic anemia, a serious blood disorder in which the bone marrow fails to produce normal amounts of blood cells, has been discovered by an international team of ... full story

Nanotubes Help Healing Hearts Keep the Beat

Sep. 23, 2014 — Patches to heal pediatric heart defects are improved when infused with carbon nanotubes, researchers report. The nanotubes serve as bridges for cell-to-cell electrical signals and help cells in the ... full story

Complexity of Diabetes: More to Tiny Fluctuations in Blood Sugar Than Meets the Eye

Sep. 23, 2014 — For millions of people in the United States living with Type 1 or Type 2 diabetes, measuring the daily rise and fall of blood glucose (sugar) is a way of life. Now a group of researchers has ... full story

Pneumonia: More Precise Diagnosis Method Developed by Interdisciplinary Research Team

Sep. 23, 2014 — More accurate and rapid methods of identification of bacterial pathogens in patients with pulmonary infections are under investigation by scientists, which could lead to more targeted antimicrobial ... full story

Multi-Function Protein Is Key to Stopping Genomic Parasites from 'Jumping'

Sep. 23, 2014 — Most organisms, including humans, have parasitic DNA fragments called 'jumping genes' that insert themselves into DNA molecules, disrupting genetic instructions in the process. And that phenomenon ... full story

Critically Ill ICU Patients Lose Almost All of Their Gut Microbes and the Ones Left Aren't Good

Sep. 23, 2014 — After a long stay in the Intensive Care Unit only a handful of pathogenic microbe species remain behind in patients' intestines, a study has shown. The team of researchers tested these remaining ... full story

New DNA Sequencing Method to Diagnose Tuberculosis

Sep. 23, 2014 — A new approach to the diagnosis of tuberculosis (TB) has been developed by researchers working in the UK and The Gambia that relies on direct sequencing of DNA extracted from sputum -- a technique ... full story

Fruit and Vegetable Consumption Could Be as Good for Your Mental as Your Physical Health

Sep. 23, 2014 — New research focused on mental wellbeing found that high and low mental wellbeing were consistently associated with an individual's fruit and vegetable consumption. 33.5% of respondents with high ... full story

Presence or Absence of Early Language Delay Alters Anatomy of the Brain in Autism

Sep. 23, 2014 — Individual differences in early language development, and in later language functioning, are associated with changes in the anatomy of the brain in autism. A new study has found that a common ... full story

Brain Wave May Be Used to Detect What People Have Seen, Recognize

Sep. 23, 2014 — Brain activity can be used to tell whether someone recognizes details they encountered in normal, daily life, which may have implications for criminal investigations and use in courtrooms, new ... full story

Video Blinds Us to the Evidence, Study Finds

Sep. 23, 2014 — Where people look when watching video evidence varies wildly and has profound consequences for bias in legal punishment decisions, a team of researchers at two Law Schools has ... full story

Few Kids Receive Psychotherapy Along With Medication for ADHD, Study Finds

Sep. 22, 2014 — For many children with attention-deficit/hyperactivity disorder, medication alone can manage symptoms. But evidence shows that some affected children do better and can take lower doses of stimulant ... full story

Statin Use During Hospitalization for Hemorrhagic Stroke Associated With Improved Survival

Sep. 22, 2014 — Patients who were treated with a statin in the hospital after suffering from a hemorrhagic stroke were significantly more likely to survive than those who were not, according to a study. This study ... full story

Compound from Hops Aids Cognitive Function in Young Animals

Sep. 22, 2014 — Xanthohumol, a type of flavonoid found in hops and beer, has been shown in a new study to improve cognitive function in young mice, but not in older animals. The findings are another step toward ... full story

Hold On, Tiger Mom: Punitive Parenting May Lead to Mental Health Risks

Sep. 22, 2014 — Less supportive and punitive parenting techniques used by some Chinese parents might lead to the development of low self-esteem and school adjustment difficulties in their children and leave them ... full story

Brainwave Test Could Improve Autism Diagnosis, Classification

Sep. 22, 2014 — Measuring how fast the brain responds to sights and sounds could help in objectively classifying people on the autism spectrum and may help diagnose the condition earlier, research suggests. ... full story

Blood Test May Help Determine Who Is at Risk for Psychosis

Sep. 22, 2014 — A blood test, when used in psychiatric patients experiencing symptoms that are considered to be indicators of a high risk for psychosis, identifies those who later went on to develop psychosis, ... full story

Lack of Thyroid Hormone Blocks Hearing Development

Sep. 22, 2014 — Fatigue, weight gain, chills, hair loss, anxiety, excessive perspiration -- these symptoms are a few of the signs that the thyroid gland has gone haywire. Harnessing electron microscopy to track the ... full story

Food Memory: Discovery Shows How We Remember Taste Experiences

Sep. 22, 2014 — A functional link between the brain region responsible for taste memory and the area responsible for encoding the time and place we experienced the taste had been found. The findings expose the ... full story

Best Exercise for Obese Youths Analyzed

Sep. 22, 2014 — What exercise program can best fight the 'epidemic' of teen obesity? According to a study, by combining aerobic exercise with resistance training. "Obesity is an epidemic among youth," says one ... full story

Maternal Breast Milk Is Risk Factor for Cytomegalovirus Transmission in Premature Infants

Sep. 22, 2014 — Premature infants, especially those born with very low-birth-weight, are particularly vulnerable to cytomegalovirus infection because of their immature immune systems. Maternal breast milk is a ... full story

Healthy Lifestyle Choices May Dramatically Reduce Risk of Heart Attack in Men

Sep. 22, 2014 — Following a healthy lifestyle, including maintaining a healthy weight and diet, exercise, not smoking and moderating alcohol intake, could prevent four out of five coronary events in men, according ... full story

Immune Response Turned Up, Not Down, by Flu During Pregnancy, Study Finds

Sep. 22, 2014 — Pregnant women have an unusually strong immune response to influenza, an unexpected finding that may explain why they get sicker from the flu than other healthy adults, new research has found. The ... full story

Don’t Drink the (Warm) Water, Study Says

Sep. 22, 2014 — There's an old saying: "Don't drink the water." But a scientist warns Americans not to drink water from plastic bottles if it's been sitting in a warm environment for a long time. A research team ... full story

Brief Intervention May Prevent Increased Risk of Depression in Teens

Sep. 22, 2014 — A low-cost, one-time intervention that educates teens about the changeable nature of personality traits may prevent an increase in depressive symptoms often seen during the transition to high school, ... full story

Mothers of Children With Autism Less Likely to Have Taken Iron Supplements in Pregnancy, Study Shows

Sep. 22, 2014 — Mothers of children with autism are significantly less likely to report taking iron supplements before and during their pregnancies than the mothers of children who are developing normally, a study ... full story

Sibling Bullying Linked to Later Depression, Self-Harm

Sep. 19, 2014 — A new study has found that children who revealed they had been bullied by their brothers or sisters several times a week or more during early adolescence were twice as likely to report being ... full story

Vitamin E, Selenium Supplements Unlikely to Affect Age-Related Cataracts in Men

Sep. 18, 2014 — Taking daily supplements of selenium or vitamin E appears to have no significant effect on the development of age-related cataracts in men. Some research, including animal studies, has suggested that ... full story

Pupil Size Shows Reliability of Decisions, Before Information on Decision Is Presented

Sep. 18, 2014 — The precision with which people make decisions can be predicted by measuring pupil size before they are presented with any information about the decision, according to a new ... full story

jump to:    Health  |  Tech  |  Enviro  |  Society

'Plasma Bubbles' May Have Aided Enemy in Fatal Afghan Battle

Sep. 23, 2014 — Plasma bubbles may have contributed to communications outages during the 2002 battle of Takur Ghar in Afghanistan. A new model could help predict the impact of such bubbles on future military ... full story

'Bendy' LEDs: Displays and Solar Cells With Inorganic Compound Semiconductor Micro-Rods One Step Closer

Sep. 23, 2014 — "Bendy" light-emitting diode (LED) displays and solar cells crafted with inorganic compound semiconductor micro-rods are moving one step closer to reality, thanks to graphene. Currently, most ... full story

Solar Explosions 'Inside' a Computer: Understanding Solar Flares to Improve Predictions

Sep. 23, 2014 — Strong solar flares can bring down communications and power grids on Earth. By demonstrating how these gigantic eruptions are caused, physicists are laying the foundations for future predictions. The ... full story

Magnetized Fusion Technique Produces Significant Results: 'Break-Even' Point Close

Sep. 23, 2014 — Working with two magnetic fields and a laser, all at low points of their power outputs, Sandia's Z machine has released neutrons in an amount surprisingly close to 'break-even' ... full story

Scientists Grow a New Challenger to Graphene

Sep. 23, 2014 — Scientists have developed a new way to fabricate a potential challenger to graphene. Graphene, a single layer of carbon atoms in a honeycomb lattice, is increasingly being used in new electronic and ... full story

New Computer Model to Aid Greener, Leaner Aircraft Design

Sep. 23, 2014 — A computer model that accurately predicts how composite materials behave when damaged will make it easier to design lighter, more fuel-efficient ... full story

Graphene: When a Doughnut Becomes an Apple

Sep. 23, 2014 — In experiments using the wonder material graphene, researchers have been able to demonstrate a phenomenon predicted by a Russian physicist more than 50 years ago. They analyzed a layer structure that ... full story

Artificial Liver Tested as Potential Therapy for Patients With Alcohol-Related Organ Failure

Sep. 22, 2014 — A novel, human cell based, bioartificial liver support system is being tested for patients with acute liver failure, often a fatal diagnosis. The external organ support system is designed to perform ... full story

Lego-Like Modular Components Make Building 3-D 'Labs-on-a-Chip' a Snap

Sep. 22, 2014 — Thanks to new Lego-like components, it is now possible to build a 3-D microfluidic system (or 'lab-on-a-chip') quickly and cheaply by simply snapping together small modules by ... full story

Plant Variants Point the Way to Improved Biofuel Production

Sep. 22, 2014 — Scientists have discovered variant plants with straw that are more easily digested for biofuel production. Critically, the plants are not significantly smaller or weaker than normal plants. The ... full story

The Origin of Uranus and Neptune Elucidated

Sep. 23, 2014 — Astronomers have just proposed a solution to the problematic chemical composition of Uranus and Neptune, thus providing clues for understanding their formation. The researchers focused on the ... full story

NASA's Newest Mars Mission Spacecraft Enters Orbit Around Red Planet

Sep. 22, 2014 — NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft successfully entered Mars' orbit at 7:24 p.m. PDT (10:24 p.m. EDT) Sunday, Sept. 21, where it now will prepare to study the Red ... full story

Finding Hints of Gravitational Waves in the Stars

Sep. 22, 2014 — Scientists have shown how gravitational waves -- invisible ripples in the fabric of space and time that propagate through the universe -- might be 'seen' by looking at the stars. The new model ... full story

SpaceX Dragon Spacecraft Lifts Off With Scientific Cargo for International Space Station

Sep. 21, 2014 — An eruption of fire and smoke sent a SpaceX Dragon spacecraft skyward laden with 5,000 pounds of scientific equipment and supplies destined for use by the crew of the International Space ... full story

An Anomaly in Satellites' Flybys Confounds Scientists

Sep. 19, 2014 — When space probes, such as Rosetta and Cassini, fly over certain planets and moons, in order to gain momentum and travel long distances, their speed changes slightly for an unknown reason. A ... full story

Shrink-Wrapping Spacesuits: Spacesuits of the Future May Resemble a Streamlined Second Skin

Sep. 19, 2014 — For future astronauts, the process of suiting up may go something like this: Instead of climbing into a conventional, bulky, gas-pressurized suit, an astronaut may don a lightweight, stretchy ... full story

Latest Measurements from the AMS Experiment Unveil New Territories in the Flux of Cosmic Rays

Sep. 19, 2014 — The Alpha Magnetic Spectrometer collaboration has just presented its latest results. These are based on the analysis of 41 billion particles detected with the space-based AMS detector aboard the ... full story

Monster Galaxies Gain Weight by Eating Smaller Neighbors

Sep. 19, 2014 — Massive galaxies in the universe have stopped making their own stars and are instead snacking on nearby galaxies. Astronomers looked at more than 22,000 galaxies and found that while smaller galaxies ... full story

Miranda: An Icy Moon Deformed by Tidal Heating

Sep. 18, 2014 — Miranda, a small, icy moon of Uranus, is one of the most visually striking and enigmatic bodies in the solar system. Despite its relatively small size, Miranda appears to have experienced an episode ... full story

Pulse of a Dead Star Powers Intense Gamma Rays

Sep. 18, 2014 — NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, is helping to untangle the mystery of what powers high-energy gamma rays emanating from supernova. The observatory's high-energy X-ray eyes ... full story

Recreating the Stripe Patterns Found in Animals by Engineering Synthetic Gene Networks

Sep. 23, 2014 — Researchers are trying to understand how networks of genes work together to create specific patterns like stripes. They have gone beyond studying individual networks and have created computational ... full story

Engineers Unlock Potential for Faster Computing

Sep. 22, 2014 — Engineers discovered a way to create a special material -- a metal layer on top of a silicon semiconductor -- that could lead to cost-effective, superfast computers that perform lightning-fast ... full story

Engineers Show Light Can Play Seesaw at the Nanoscale: Step Toward Faster and More Energy-Efficient Optical Devices

Sep. 22, 2014 — Electrical engineering researchers have developed a unique nanoscale device that for the first time demonstrates mechanical transportation of light. The discovery could have major implications for ... full story

New Bracelet Strengthens Computer Security

Sep. 22, 2014 — In a big step for securing critical information systems, such as medical records in clinical settings, researchers have created a new approach to computer security that authenticates users ... full story

New RFID Technology Helps Robots Find Household Objects

Sep. 22, 2014 — Researchers have created a new search algorithm that improves a robot's ability to find and navigate to tagged objects. The team has implemented their system on a PR2 robot, allowing it to travel ... full story

A Breakthrough in Electron Microscopy: Scientists Reconstruct Third Dimension from a Single Image

Sep. 21, 2014 — Imagine that you want to find out from a single picture taken of the front of a house, what the building looks like from behind, whether it has any extensions or if the brickwork is damaged, and how ... full story

Fingertip Sensor Gives Robot Unprecedented Dexterity

Sep. 19, 2014 — Researchers have equipped a robot with a novel tactile sensor that lets it grasp a USB cable draped freely over a hook and insert it into a USB ... full story

Soft Robotics 'Toolkit' Features Everything a Robot-Maker Needs

Sep. 19, 2014 — A new resource provides both experienced and aspiring researchers with the intellectual raw materials needed to design, build, and operate robots made from soft, flexible materials. With the advent ... full story

Reflected Smartphone Transmissions Enable Gesture Control

Sep. 19, 2014 — Engineers have developed a new form of low-power wireless sensing technology that lets users "train" their smartphones to recognize and respond to specific hand gestures near the ... full story

Computers 1,000 Times Faster? Quick-Change Materials Break Silicon Speed Limit for Computers

Sep. 19, 2014 — Faster, smaller, greener computers, capable of processing information up to 1,000 times faster than currently available models, could be made possible by replacing silicon with materials that can ... full story

jump to:    Health  |  Tech  |  Enviro  |  Society

Big Changes in Sargasso Sea's Seaweed Populations

Sep. 23, 2014 — In the region of the North Pacific known as the Sargasso Sea, circling ocean currents accumulate mats of Sargassum seaweed that shelter a surprising variety of fishes, snails, crabs, and other small ... full story

Old Drug May Be Key to New Antibiotics

Sep. 22, 2014 — An anticonvulsant drug called lamotrigine is the first chemical inhibitor of the assembly of ribosomes in bacteria. he discovery is important as there is growing concern worldwide about how ... full story

Answer to Restoring Lost Island Biodiversity Found in Fossils

Sep. 22, 2014 — Many native species have vanished from tropical islands because of human impact, but scientists have discovered how fossils can be used to restore lost biodiversity. The key lies in organic materials ... full story

Genetic Switch Regulates a Plant's Internal Clock Based on Temperature

Sep. 22, 2014 — Scientists have found the molecular cog in a plant's biological clock that modulates its speed based on temperature. "Temperature helps keep the hands of the biological clock in the right place," ... full story

Antifreeze Proteins in Antarctic Fishes Prevent Freezing ... and Melting

Sep. 22, 2014 — Antarctic fishes that manufacture their own 'antifreeze' proteins to survive in the icy Southern Ocean also suffer an unfortunate side effect, researchers report: The protein-bound ice crystals that ... full story

How Gene Expression Affects Facial Expressions

Sep. 22, 2014 — A person's face is the first thing that others see, and much remains unknown about how it forms -- or malforms -- during early development. Recently, researchers have begun to unwind these ... full story

Environment Plays Bigger Role Than Genetics in Food Allergic Disease

Sep. 22, 2014 — Environment has a much stronger role than genetics in eosinophilic esophagitis, a severe, often painful food allergy that renders children unable to eat a wide variety of foods, researchers have ... full story

Influenza A Potentiates Pneumococcal Co-Infection: New Details Emerge

Sep. 22, 2014 — Influenza infection can enhance the ability of the bacterium Streptococcus pneumoniae to cause ear and throat infections, according to research. "As with most pneumococcal infections, it should be ... full story

Engineered Proteins Stick Like Glue -- Even in Water

Sep. 21, 2014 — Researchers have found new adhesives based on mussel proteins could be useful for naval or medical applications. To create their new waterproof adhesives, researchers engineered bacteria to produce a ... full story

Battling Superbugs: Two New Technologies Could Enable Novel Strategies for Combating Drug-Resistant Bacteria

Sep. 21, 2014 — Two new technologies could enable novel strategies for combating drug-resistant bacteria, scientists report. Most antibiotics work by interfering with crucial functions such as cell division or ... full story

Water-Quality Trading Can Reduce River Pollution: Market for Water Quality Credits Would Cut Pollution at Less Cost

Sep. 23, 2014 — Allowing polluters to buy, sell or trade water-quality credits will reduce pollution in rivers and estuaries faster and at lower cost than requiring them to meet compliance costs on their own, a new ... full story

Record of Thousands of Years: Mega-Storm Surge in Florida

Sep. 23, 2014 — The observational hurricane record for northwestern Florida is just 160 years long, yet hurricane activity is known to vary strongly over thousands of years. Digging back into the prehistorical ... full story

Drilling Into an Active Earthquake Fault in New Zealand

Sep. 23, 2014 — Geologists are drilling nearly a mile beneath the surface of New Zealand this fall to bring back rock samples from an active fault known to generate major earthquakes. The goal of the Deep Fault ... full story

2014 Arctic Sea Ice Minimum Sixth Lowest on Record

Sep. 23, 2014 — Arctic sea ice coverage continued its below-average trend this year as the ice declined to its annual minimum on Sept. 17, according to new ... full story

Arctic Sea Ice Helps Remove Carbon Dioxide from Atmosphere, Study Shows

Sep. 22, 2014 — Climate change is a fact, and most of the warming is caused by human activity. The Arctic is now so warm that the extent of sea ice has decreased by about 30 percent in summer and in winter, sea ice ... full story

Global Warming: Dwindling Chances to Stay Below 2 Degrees Celsius Warming

Sep. 21, 2014 — Carbon dioxide emissions continue to track the high end of emission scenarios, eroding the chances to keep global warming below 2 degrees Celsius, and placing increased pressure on world leaders ... full story

Fracking's Environmental Impacts Scrutinized

Sep. 21, 2014 — Greenhouse gas emissions from the production and use of shale gas would be comparable to conventional natural gas, but the controversial energy source actually fared better than renewables on some ... full story

NASA Launches RapidScat Wind Watcher to Space Station

Sep. 20, 2014 — A new NASA mission that will boost global monitoring of ocean winds for improved weather forecasting and climate studies is among about 5,000 pounds (2,270 kilograms) of NASA science investigations ... full story

Climate Change: Dwindling Wind May Tip Predator-Prey Balance

Sep. 19, 2014 — Rising temperatures and shifting precipitation patterns may get the lion’s share of our climate change attention, but predators may want to give some thought to wind, according to a zoologist’s ... full story

Environmental Pollutants Make Worms Susceptible to Cold

Sep. 19, 2014 — Some pollutants are more harmful in a cold climate than in a hot, because they affect the temperature sensitivity of certain organisms. Now researchers have demonstrated how this happens, and it can ... full story

New Insights on an Ancient Plague Could Improve Treatments for Infections

Sep. 18, 2014 — Dangerous new pathogens such as the Ebola virus invoke scary scenarios of deadly epidemics, but even ancient scourges such as the bubonic plague are still providing researchers with new insights on ... full story

New High-Resolution Satellite Image Analysis: 5 of 6 Syrian World Heritage Sites 'Exhibit Significant Damage'

Sep. 18, 2014 — In war-torn Syria, five of six World Heritage sites now 'exhibit significant damage' and some structures have been 'reduced to rubble,' according to new high-resolution satellite image analysis by ... full story

Mysterious Volcanic Eruption of 1808 Described

Sep. 18, 2014 — New light has been shed on one of the biggest volcanic eruptions in the last 500 years -- the so-called 'Unknown eruption' -- thanks to an unusual collaboration between a historian and a team of ... full story

'Lost Chapel' Skeletons Found Holding Hands After 700 Years

Sep. 18, 2014 — Archaeologists have uncovered a trove of relics and remains at Chapel of St Morrell in Leicestershire. Some relationships last a lifetime -- and archaeologists have discovered that they can last even ... full story

New Branch Added to European Family Tree: Europeans Descended from at Least 3, Not 2, Groups of Ancient Humans

Sep. 17, 2014 — Previous work suggested that Europeans descended from two ancestral groups: indigenous hunter-gatherers and early European farmers. This new study shows that there was also a third ancestral group, ... full story

Counting Fish Teeth Reveals Regulatory DNA Changes Behind Rapid Evolution, Adaptation

Sep. 17, 2014 — Threespine sticklebacks, small fish found around the globe, undergo rapid evolutionary change when they move from the ocean to freshwater lakes, losing their armor and gaining more teeth in as little ... full story

Iberian Pig Genome Remains Unchanged After Five Centuries

Sep. 17, 2014 — A team of Spanish researchers have obtained the first partial genome sequence of an ancient pig. Extracted from a sixteenth century pig found at the site of the Montsoriu Castle in Girona, the data ... full story

Modern Forensic Techniques Identify Most Likely Cause of King Richard III’s Death

Sep. 17, 2014 — The remains of King Richard III -- the last English monarch to die in battle -- were found under a car park in Leicester by archaeologists. The forensic imaging team used whole body CT scans and ... full story

Impact That Doomed the Dinosaurs Helped the Forests Bloom

Sep. 16, 2014 — Some 66 million years ago, a 10-km diameter chunk of rock hit the Yucatan peninsula with the force of 100 teratons of TNT. It left a crater more than 150 km across, and the resulting megatsunami, ... full story

Study on Global Carbon Cycle May Require Reappraisal of Climate Events in Earth's History

Sep. 16, 2014 — A recent study of the global carbon cycle offers a new perspective of Earth's climate records through time. Scientists suggest that one of the current methods for interpreting ancient changes in the ... full story

jump to:    Health  |  Tech  |  Enviro  |  Society

One out of Three Severely Injured Patients Undertriaged in the United States

Sep. 22, 2014 — Patients with severe injuries should be treated at level I or level II trauma centers, experts say. Those centers have the resources to provide the best care for those patients. But one out of three ... full story

Possible 6,800 New Ebola Cases This Month, Research Predicts

Sep. 19, 2014 — A possible 6,800 new Ebola cases this are predicted this month, as suggested by researchers who used modelling analysis to come up with their figures. The rate of new cases significantly increased in ... full story

Seeding Plant Diversity for Future Generations

Sep. 19, 2014 — Researchers have constructed a 'hit list' of the plant species most needed to boost the overall diversity of the Millennium Seed Bank, which is storing seeds in its vaults for future ... full story

Climate Change Report Identifies 'the Most Vulnerable' Sections of the Population

Sep. 19, 2014 — A report has looked at which sections of the population are left most exposed to food shortages after extreme weather events. Extreme weather events leave populations with not enough food both in the ... full story

Obesity in Pacific Islands 'a Colonial Legacy' of Settlers Trying to Civilize the Locals

Sep. 19, 2014 — Scientists have known for some time that Pacific islanders are more prone to obesity than people in other nations. Now a new study has examined why islanders on Nauru and in the Cook Islands in the ... full story

Premature Deaths Could Be Reduced by 40% Over Next 20 Years, Researchers Say

Sep. 19, 2014 — With sustained international efforts, the number of premature deaths could be reduced by 40% over the next two decades (2010-2030), researchers say, halving under–50 mortality and preventing a ... full story

Microplastic Pollution Discovered in St. Lawrence River Sediments

Sep. 18, 2014 — Microplastics have been discovered widely distributed across the bottom of the St. Lawrence River, the first time such pollutants have been found in freshwater sediments. The microbeads likely ... full story

World Population to Keep Growing This Century, Hit 11 Billion by 2100

Sep. 18, 2014 — The chance that world population in 2100 will be between 9.6 billion and 12.3 billion people is 80 percent, according to the first such United Nations forecast to incorporate modern statistical ... full story

Human Sense of Fairness Evolved to Favor Long-Term Cooperation, Primate Study Suggests

Sep. 18, 2014 — The human response to unfairness evolved in order to support long-term cooperation, according to a new research. Fairness is a social ideal that cannot be measured, so to understand the evolution of ... full story

Nile River Monitoring Influences Northeast Africa's Future

Sep. 18, 2014 — Research that monitors the volume of water in the Nile River Basin will help to level the playing field for more than 200 million northeast Africans who rely on the river's water supply. "Water ... 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

Self-Deceived Individuals Deceive Others Better

Aug. 27, 2014 — Over-confident people can fool others into believing they are more talented than they actually are, a study has found. These 'self-deceived' individuals could be more likely to get promotions and ... full story

Feeling Bad at Work Can Be a Good Thing (and Vice Versa)

Aug. 21, 2014 — Contrary to popular opinion, it can be good to feel bad at work, whilst feeling good in the workplace can also lead to negative outcomes, researchers say. The commonly-held assumption that positivity ... full story

Sleepy College Students Stressed by Jobs

Aug. 20, 2014 — College students are typically more sleep deprived than the rest of us and often ignore the health benefits of adequate slumber, said a researcher who studies the topic. "Sleep is extremely important ... full story

In an Already Stressful Workplace, Great Recession's Health Effects Hard to Find

Aug. 19, 2014 — The Great Recession of 2007-2009 had little direct effect on the health of workers who survived the waves of job cuts that took place during that period, according to a new ... full story

Disconnect Between Parenting and Certain Jobs a Source of Stress

Aug. 16, 2014 — Some working parents are carrying more psychological baggage than others — and the reason has nothing to do with demands on their time and energy. The cause is their ... 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

3-D Printing of Rocks and Fossils

Sep. 15, 2014 — Geologists are using 3-D printing to study the pores within limestone reservoir rocks. A better understanding of the pore networks within the rocks could help industry get at more ... full story

Brain Differences: Sometimes, Adolescents Just Can't Resist

Sep. 11, 2014 — A new study finds teenagers are far more sensitive than adults to the immediate effect or reward of their behaviors. Even when a behavior is no longer in a teenager’s best interest to continue, ... full story

High Levels of Physical Activity Linked to Better Academic Performance in Boys

Sep. 11, 2014 — Higher levels of physical activity are related to better academic achievement during the first three school years, particularly in boys, research shows. For instance, boys with higher levels of ... full story

Binge Drinking in Pregnancy Can Affect Child's Mental Health, School Results

Sep. 10, 2014 — Binge drinking during pregnancy can increase the risk of mental health problems (particularly hyperactivity and inattention) in children aged 11 and can have a negative effect on their school ... full story

Cellphone Addiction Harming Academic Performance Is 'an Increasingly Realistic Possibility'

Aug. 28, 2014 — Women college students spend an average of 10 hours a day on their cellphones, with men college students spending nearly eight hours, according to a study on cellphone activity. "As cellphone ... full story

Readers With Dyslexia Have Disrupted Network Connections in the Brain, Map the Circuitry of Dyslexia Shows

Aug. 28, 2014 — Dyslexia, the most commonly diagnosed learning disability in the United States, is a neurological reading disability that occurs when the regions of the brain that process written language don't ... full story

Social Class Makes a Difference in How Children Tackle Classroom Problems

Aug. 27, 2014 — Social class can account for differences in how parents coach their children to manage classroom challenges, a study shows. Such differences can affect a child's education by reproducing inequalities ... full story

Combining Math and Music to Open New Possibilities

Aug. 25, 2014 — The power of mathematics to open new possibilities in music has been demonstrated by scientists for years. Modern experiments with computer music are just the most recent ... full story

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:

Share This

via email and social networks

from the past week

Strange & Offbeat Stories

 

Human Quirks

Bizarre Things

Odd Creatures

from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News

About This Site

 

ScienceDaily features breaking news and videos about the latest discoveries in science, health, the environment, technology, and more -- from major news services and leading universities, scientific journals, and research organizations.

Visitors can browse more than 500 individual topics, grouped into 12 main sections (listed under the top navigational menu), covering: the medical sciences and health; physical sciences and technology; biological sciences and the environment; and social sciences, business and education. Headlines and summaries of relevant news stories and videos, as well as links to topic-specific RSS feeds and email newsletters, are provided on each topic page.

Stories and videos are posted daily, selected from hundreds of sources from around the world. Links to sources and relevant journal citations (where available) are included at the end of each post.

For more information about ScienceDaily, please consult the links listed at the bottom of each page.



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins