Today's Science News

Saturday, November 22, 2014

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from universities, journals, and other organizations

Deep-Earth Carbon Offers Clues on Origin of Life: New Organic Carbon Species Linked to Formation of Diamonds -- And Life Itself

Nov. 20, 2014 — Scientists reveal details about carbon deep beneath Earth’s surface and suggest ways it might have influenced the history of life on the ... full story

Imagination, Reality Flow in Opposite Directions in the Brain

Nov. 20, 2014 — As real as that daydream may seem, its path through your brain runs opposite reality. Aiming to discern discrete neural circuits, researchers have tracked electrical activity in the brains of people ... full story

Geologists Discover Ancient Buried Canyon in South Tibet

Nov. 20, 2014 — Scientists have discovered an ancient, deep canyon buried along the Yarlung Tsangpo River in south Tibet, north of the eastern end of the Himalayas. The geologists say that the ancient canyon -- ... full story

Out of India: Finding the Origins of Horses, Rhinos

Nov. 20, 2014 — Working at the edge of a coal mine in India, a team of researchers has filled in a major gap in science’s understanding of the evolution of a group of animals that includes horses and rhinos. That ... full story

New View of Mouse Genome Finds Many Similarities, Striking Differences With Human Genome

Nov. 19, 2014 — Looking across the genomes of humans and mice, scientists have found that, in general, the systems that are used to control gene activity in both species have many similarities, along with crucial ... full story

Sun's Rotating 'Magnet' Pulls Lightning Towards UK

Nov. 19, 2014 — The sun may be playing a part in the generation of lightning strikes on Earth by temporarily 'bending' the Earth's magnetic field and allowing a shower of energetic particles to enter ... full story

How to Estimate the Magnetic Field of an Exoplanet

Nov. 20, 2014 — Scientists developed a new method which allows to estimate the magnetic field of a distant exoplanet, i.e., a planet, which is located outside the Solar system and orbits a different star. Moreover, ... full story

Why Some People May Be Immune to HIV-1: Clues

Nov. 20, 2014 — Doctors have long been mystified as to why HIV-1 rapidly sickens some individuals, while in others the virus has difficulties gaining a foothold. Now, a study of genetic variation in HIV-1 and in the ... full story

Dizzying Heights: Prehistoric Farming on the 'Roof of the World'

Nov. 20, 2014 — Archaeological findings pose questions about genetic resistance in humans to altitude sickness and genetic response in crop plants to flowering times and ultraviolet radiation tolerance. ... full story

It's Filamentary: How Galaxies Evolve in the Cosmic Web

Nov. 20, 2014 — How do galaxies like our Milky Way form, and just how do they evolve? Are galaxies affected by their surrounding environment? Astronomers now propose some answers. The researchers highlight the role ... full story

Quantum Mechanical Calculations Reveal the Hidden States of Enzyme Active Sites

Nov. 20, 2014 — Enzymes carry out fundamental biological processes such as photosynthesis, nitrogen fixation and respiration, with the help of clusters of metal atoms as 'active' sites. But scientists lack ... full story

Darwin 2.0: New Theory on Speciation, Diversity

Nov. 20, 2014 — It has long been thought that dramatic changes in a landscape like the formation of the Andes Mountain range or the Amazon River is the main driver that initiates species to diverge. However, a ... full story

Unwinding the Mysteries of the Cellular Clock

Nov. 20, 2014 — Underlying circadian rhythms is a clock built of transcription factors that control the oscillation of genes, serving as the wheels and springs of the clock. But, how does a single clock keep time in ... full story

Riddle of the Missing Stars: Hubble Observations Cast Further Doubt on How Globular Clusters Formed

Nov. 20, 2014 — Thanks to the NASA/ESA Hubble Space Telescope, some of the most mysterious cosmic residents have just become even more puzzling. New observations of globular clusters in a small galaxy show they are ... full story

Laser from a Plane Discovers Roman Goldmines in Spain

Nov. 20, 2014 — Hidden under the vegetation and crops of the Eria Valley, in Leσn (Spain), there is a gold mining network created by the Romans two thousand years ago, as well as complex hydraulic works, such as ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

Amphipolis Tomb Architraves Reveal Faces

Amphipolis Tomb Architraves Reveal Faces

AFP (Nov. 22, 2014) — Faces in an area of mosaics is the latest find by archaeologists at a recently discovered tomb dating back to fourth century BC and the time of Alexander the Great in Greece. Duration: 01:05 Video provided by AFP
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5 Hot Months, 1 Warm Year And All The Arguments To Follow

5 Hot Months, 1 Warm Year And All The Arguments To Follow

Newsy (Nov. 21, 2014) — The NOAA released statistics Thursday showing October was the fifth month this year with record temps and 2014 will likely be the hottest on record. Video provided by Newsy
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Your Complicated Job Might Keep Your Brain Young

Your Complicated Job Might Keep Your Brain Young

Newsy (Nov. 20, 2014) — Researchers at the University of Edinburgh found the more complex your job is, the sharper your cognitive skills will likely be as you age. Video provided by Newsy
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Massive Die-Off of North American Starfish

Massive Die-Off of North American Starfish

Reuters - Light News Video Online (Nov. 18, 2014) — Scientists identify a deadly virus that has wiped out tens of thousands of starfish along North America's Pacific coast. Tara Cleary reports. Video provided by Reuters
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last updated on 2014-11-22 at 7:03 pm EST

jump to:    Health  |  Tech  |  Enviro  |  Society

Anti-HIV Medicines Can Cause Damage to Fetal Hearts, Research Shows

Nov. 21, 2014 — New research raises concern about potential long-term harmful impact of 'antiretroviral therapy' on in-utero infants whose mothers are HIV-positive, but who are not infected with HIV themselves. The ... full story

In Landmark Study of Cell Therapy for Heart Attack, More Cells Make a Difference

Nov. 21, 2014 — Physicians from 60 sites treated 161 heart attack patients with their own bone marrow cells, selected for their healing potential and then reinjected into the heart, in an effort to improve the ... full story

Digoxin Associated With Higher Risk of Death, Hospitalization, Study Shows

Nov. 21, 2014 — Digoxin, a drug commonly used to treat heart conditions, was associated with a 71 percent higher risk of death and a 63 percent higher risk of hospitalization among adults with diagnosed atrial ... full story

Fluorescent Nanoprobe Could Become a Universal, Noninvasive Method to Identify and Monitor Tumors

Nov. 21, 2014 — Researchers have developed a hybrid metal-polymer nanoparticle that lights up in the acidic environment surrounding tumor cells. Nonspecific probes that can identify any kind of tumor are extremely ... full story

Marker Polyps Do Not Cause Cancer, Experts Say

Nov. 21, 2014 — Although serrated polyps usually are associated with colorectal cancer, it turns out that such polyps are themselves not dangerous, according to a ... full story

Nail Stem Cells Prove More Versatile Than Press Ons

Nov. 21, 2014 — There are plenty of body parts that don't grow back when you lose them. Nails are an exception, and a new study reveals some of the reasons why. A team of researchers has identified a new population ... full story

Impact of Power Prosthetic Failures on Amputees Studied

Nov. 21, 2014 — Powered lower limb prosthetics hold promise for improving the mobility of amputees, but errors in the technology may also cause some users to stumble or fall. New research examines what happens when ... full story

New Model of Follow Up for Breast Cancer Patients

Nov. 21, 2014 — Public health researchers from Australia have evaluated international breast cancer guidelines, finding that there is potential to improve surveillance of breast cancer survivors from both a patient ... full story

Life's Extremists May Be an Untapped Source of Antibacterial Drugs

Nov. 21, 2014 — Life's extremists, a family of microbes called Archaea, may be an untapped source of new antibacterial drugs. That conclusion arises from the discovery of the first antibacterial gene in this ancient ... full story

Cohesin: Cherry-Shaped Molecule Safeguards Cell-Division

Nov. 21, 2014 — A cohesin molecule ensures the proper distribution of DNA during cell division. Scientists can now demonstrate the concept of its carabiner-like function by visualizing for the first time the open ... full story

Trouble With Your Boss? Own It

Nov. 21, 2014 — Don't get along with your boss? Your job performance may actually improve if the two of you can come to grips with the poor relationship. "Seeing eye-to-eye about the employee-supervisor relationship ... full story

Brain Injuries in Mice Treated Using Bone Marrow Stem Cells, Antioxidants

Nov. 21, 2014 — For the first time, researchers have transplanted bone marrow stem cells into damaged brain tissue while applying lipoic acid (a potent antioxidant), with the aim of improving neuroregeneration in ... full story

Novel Robotic Walker Helps Patients Regain Natural Gait and Increases Productivity of Physiotherapists

Nov. 21, 2014 — Survivors of stroke or other neurological conditions such as spinal cord injuries, traumatic brain injuries and Parkinson’s disease often struggle with mobility. To regain their motor functions, ... full story

Worldwide Action Needed to Address Hidden Crisis of Violence Against Women and Girls

Nov. 20, 2014 — Current efforts to prevent violence against women and girls are inadequate, according to a new Series published in The Lancet. Estimates suggest that globally, 1 in 3 women has experienced either ... full story

Epidemic Spreading and Neurodegenerative Progression

Nov. 20, 2014 — Researchers have used a model inspired by patterns of epidemic disease spreading to map how misfolded proteins propagate within the ... full story

Research Finds Tooth Enamel Fast-Track in Humans

Nov. 20, 2014 — Researchers have discovered a link between prenatal enamel growth rates in teeth and weaning in human babies. The research found that incisor teeth grow quickly in the early stages of the second ... full story

Brain Training Using Sounds Can Help Aging Brain Ignore Distractions

Nov. 20, 2014 — As we age, we have an increasingly harder time ignoring distractions. But new research reveals that by learning to make discriminations of a sound amidst progressively more disruptive distractions, ... full story

Reprogramming 'Support Cells' Into Neurons Could Repair Injured Adult Brains

Nov. 20, 2014 — The cerebral cortex lacks the ability to replace neurons that die as a result of Alzheimer's, stroke, and other devastating diseases. A new study shows that a Sox2 protein, alone or in combination ... full story

Dominant People Can Be Surprisingly Social

Nov. 20, 2014 — In contrast to the lay stereotype, dominant people prove to be avid social learners, just like dominant individuals in the animal kingdom. Neuroscientists show this with a complex decision-making ... full story

Education Empowers Canadians, but Raises Risks of Overwork, Work-Family Stress

Nov. 20, 2014 — The higher your level of education, the greater your earnings and your sense of “personal mastery” or being in control of your fate, researchers say. But wait: there’s a downside. A new study ... full story

Longer Work Hours for Moms Mean Less Sleep, Higher BMIs for Preschoolers

Nov. 20, 2014 — A link between moms' employment and overweight/obesity in preschoolers has been found by researchers. The study investigated links between mothers' employment status and their children's weight over ... full story

Jogging Keeps You Young: Seniors Who Run Regularly Can Walk as Efficiently as 20-Somethings

Nov. 20, 2014 — A new study is shedding light on an unexpected benefit of jogging in older adults. The study looked at adults over the age of 65 -- some of whom walk for exercise and some who run for exercise. The ... full story

Don't Get Hacked! Research Shows How Much We Ignore Online Warnings

Nov. 20, 2014 — New research finds that people say they care about online security but behave like they don't -- such as ignoring security warnings. To better understand how people deal with security messages, ... full story

Scientists Study Effects of Sunlight to Reduce Number of Nearsighted Kids

Nov. 20, 2014 — Kids who spend more time outside are less likely to need glasses for nearsightedness – but scientists don’t know why. Researchers are now looking more closely at physical changes in the eye ... full story

Hand Dryers Can Spread Bacteria in Public Toilets, Research Finds

Nov. 20, 2014 — Modern hand dryers are much worse than paper towels when it comes to spreading germs, according to new research. Airborne germ counts were 27 times higher around jet air dryers in comparison with the ... full story

What's Behind Our Music Tastes? Some Common Perceptions

Nov. 20, 2014 — Metal heads, jazz purists and folkies may have more in common musically than you imagined. A new study sheds light on the shared ways in which humans perceive ... full story

Oat Oil Preparation Makes You Feel Fuller

Nov. 20, 2014 — Oats contain more fat than other cereals, and oat oil has a unique composition. Researchers have now outlined why oat oil supplement makes you feel ... full story

Only Half of Patients Take Their Medications as Prescribed: Are There Interventions That Will Help Them?

Nov. 20, 2014 — The cost of patients not taking their medications as prescribed can be substantial in terms of their health. Although a large amount of research evidence has tried to address this problem, there are ... full story

Bad Marriage, Broken Heart?

Nov. 19, 2014 — Older couples in a bad marriage -- particularly female spouses -- have a higher risk for heart disease than those in a good marriage, finds the first nationally representative study of its ... full story

Wheat in Diet: Study on Health Impact of Wheat Challenges Stone Age Myths and Costly Diets, Providing You Go Whole Grain

Nov. 19, 2014 — A review of the current evidence on the dietary and health impact of whole grain cereal consumption finds that many of the myths attributed to wheat-free diets are just that – myths, and that whole ... full story

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'Mind the Gap' Between Atomically Thin Materials

Nov. 21, 2014 — For the first time, researchers have grown a single atomic layer of tungsten diselenide on a one- atom-thick substrate of graphene with pristine interfaces between the two layers using an ... full story

Streamlining Thin Film Processing for Electrodes, Display Screens

Nov. 21, 2014 — Energy storage devices and computer screens may seem worlds apart, but they’re not. When an electrical engineering professor teamed up with and computer scientists to make a less expensive ... full story

Pain, Magnet Displacement in MRI in Patients With Cochlear Implants

Nov. 20, 2014 — Pain, discomfort and magnet displacement were documented in a small medical records review study of patients with cochlear implants who underwent magnetic resonance imaging (MRI), according to a new ... full story

Nuclear Reactor Fuel Behavior During a Severe Event

Nov. 20, 2014 — A new discovery about the atomic structure of uranium dioxide will help scientists select the best computational model to simulate severe nuclear reactor ... full story

Improved Nanomaterials: Understanding Surface Structure of Quantum Dots Will Aid Design of New Solar Devices

Nov. 20, 2014 — A potential path to identify imperfections and improve the quality of nanomaterials for use in next-generation solar cells has just ... full story

New Technique Allows Ultrasound to Penetrate Bone, Metal

Nov. 20, 2014 — Researchers have developed a technique that allows ultrasound to penetrate bone or metal, using customized structures that offset the distortion usually caused by these so-called 'aberrating ... full story

Scientists Discover Novel Metamaterial Properties Within Hexagonal Boron Nitride

Nov. 20, 2014 — Researchers have demonstrated that confined surface phonon polaritons within hexagonal boron nitride exhibit unique metamaterial properties that enable novel nanoscale optical ... full story

Versatile Bonding for Lightweight Components

Nov. 20, 2014 — New materials are making cars, planes and all sorts of other things lighter. The catch is that many of these materials can't be welded. Now there's an alternative joining method available -- gradient ... full story

A Path to Brighter Images and More Efficient LCD Displays

Nov. 20, 2014 — Engineers have developed a polarizing filter that allows in more light, leading the way for mobile device displays that last much longer on a single battery charge and cameras that can shoot in dim ... full story

Tomorrow's Degradable Electronics

Nov. 20, 2014 — Researchers are developing electronics that disappear to order. When the FM frequencies are removed in Norway in 2017, all old-fashioned radios will become obsolete, leaving the biggest collection of ... full story

Unravelling the Mystery of Gamma-Ray Bursts With Kilometer-Scale Microphones

Nov. 20, 2014 — A team of scientists hopes to trace the origins of gamma-ray bursts with the aid of giant space ‘microphones’. It's hoped the kilometer-scale microphones will detect gravitational waves created ... full story

NASA's Swift Mission Probes an Exotic Object: 'Kicked' Black Hole or Mega Star?

Nov. 19, 2014 — Astronomers have discovered an unusual source of light in a galaxy some 90 million light-years away. The dwarf galaxy Markarian 177 (center) and its unusual source SDSS1133 (blue) lie 90 million ... full story

Rosetta Continues Into Its Full Science Phase

Nov. 19, 2014 — With the Philae lander's mission complete, Rosetta will now continue its own extraordinary exploration, orbiting Comet 67P/Churymov-Gerasimenko during the coming year as the enigmatic body arcs ever ... full story

Spooky Alignment of Quasars Across Billions of Light-Years

Nov. 19, 2014 — New observations with ESO’s Very Large Telescope (VLT) in Chile have revealed alignments over the largest structures ever discovered in the Universe. A European research team has found that the ... full story

Geologic Maps of Vesta Asteroid from NASA's Dawn Mission

Nov. 18, 2014 — Images from NASA's Dawn Mission have been used to create a series of high-resolution geological maps of the large asteroid Vesta, revealing the variety of surface features in unprecedented ... full story

Physicists Suggest New Way to Detect Dark Matter

Nov. 18, 2014 — For years physicists have been looking for the universe's elusive dark matter, but so far no one has seen any trace of it. Maybe we are looking in the wrong place? Now physicists propose a new ... full story

Gravity May Have Saved the Universe After the Big Bang, Say Researchers

Nov. 18, 2014 — Physicists may now be able to explain why the universe did not collapse immediately after the Big Bang. Studies of the Higgs particle -- discovered at CERN in 2012 and responsible for giving mass to ... full story

Geologic Mapping of Asteroid Vesta Reveals History of Large Impacts

Nov. 17, 2014 — A project to map the impact sequence on the asteroid Vesta is helping scientists compare its history to other solar system ... full story

Hiding in Plain Sight: Elusive Dark Matter May Be Detected With GPS Satellites

Nov. 17, 2014 — The everyday use of a GPS device might be to find your way around town or even navigate a hiking trail, but for two physicists, the Global Positioning System might be a tool in directly detecting and ... full story

Warmth, Flowing Water on Early Mars Were Episodic

Nov. 17, 2014 — There is ample evidence that water once flowed on the surface of ancient Mars. But that evidence is difficult to reconcile with the latest generation of climate models that suggest Mars should have ... full story

How the Hummingbird Achieves Its Aerobatic Feats

Nov. 21, 2014 — Although hummingbirds are much larger and stir up the air more violently as they move, the way that they fly is more closely related to flying insects than it is to other birds. Now, the most ... full story

When Shareholders Exacerbate Their Own Banks' Crisis

Nov. 21, 2014 — Banks are increasingly issuing 'CoCo' bonds to boost the levels of equity they hold. In a crisis situation, bondholders are forced to convert these bonds into a bank's equity. To date, such bonds ... full story

When Vaccines Are Imperfect: What Math Can Tell Us About Their Effects on Disease Propagation

Nov. 20, 2014 — The control of certain childhood diseases is difficult, despite high vaccination coverage in many countries. One of the possible reasons for this is 'imperfect vaccines,' that is, vaccines that fail ... full story

New Computer Model Predicts Gut Metabolites to Better Understand Gastrointestinal Disease

Nov. 20, 2014 — The first research to use computational modeling to predict and identify the metabolic products of gastrointestinal (GI) tract microorganisms has been published by researchers. Understanding these ... full story

Pac-Man Instead of Patch: Using Video Games to Improve Lazy Eye, Depth Perception

Nov. 19, 2014 — Scientists have created video games that add an important element of fun to the repetitive training needed to improve vision in people – including adults – with a lazy eye and poor depth ... full story

Social Sensing Game Detects Classroom Bullies

Nov. 19, 2014 — Researchers have developed a computer game that can detect classroom bullies, victims and bystanders. The game's behavior analyses effectively identify classroom bullies, even revealing peer ... full story

Thin Film Produces New Chemistry in 'Nanoreactor'

Nov. 19, 2014 — Physicists have discovered a new manganese compound that is produced by tension in the crystal structure of terbium manganese oxide. The technique they used to create this new material could open the ... full story

Testing If a Computer Has Human-Level Intelligence: Alternative to 'Turing Test' Proposed

Nov. 19, 2014 — Researchers are offering an alternative to the celebrated “Turing Test” to determine whether a machine or computer program exhibits human-level ... full story

A 3-D, Talking Map for the Blind (and Everyone Else)

Nov. 19, 2014 — Developers have built and tested a new kind of interactive wayfinder: 3-D maps that vocalize building information and directions when ... full story

Gamification for Behavior Change: What Is It and How Is It Useful?

Nov. 18, 2014 — In a world where the majority of children spend hours a day playing computer or console game, researchers are starting to utilize those habits for the better.  The use of gamification -- using game ... full story

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Next-Door Leopards: First GPS-Collar Study Reveals How Leopards Live With People

Nov. 21, 2014 — In the first-ever GPS-based study of leopards in India, biologists have delved into the secret lives of these big cats, and recorded their strategies to thrive in human-dominated ... full story

Natural Resistance Gene Against Spruce Budworm Found

Nov. 21, 2014 — A natural resistance gene against spruce budworm in the white spruce has been discovered. The breakthrough paves the way to identifying and selecting naturally resistant trees to replant forests ... full story

Polyethylene Mulch, Glazing Create Optimal Conditions for Soil Solarization

Nov. 21, 2014 — Researchers raised soil temperatures in high tunnels in southern Arizona to determine the efficacy of soil solarization using clear mulch on the soil surface and with tunnel glazing or with no ... full story

Vermicompost Leachate Improves Tomato Seedling Growth

Nov. 21, 2014 — A study assessed growth performance of tomato seedlings treated with vermicompost-leachate (VCL), an organic liquid produced from earthworm-digested material. Seedlings were subjected to various ... full story

Novel Regulatory Mechanism for Cell Division Found

Nov. 21, 2014 — A protein kinase or enzyme known as PKM2 has proven to control cell division, potentially providing a molecular basis for tumor diagnosis and treatment, researchers report. Understanding how ... full story

Key Protein Decrypted: Scientists Develop 3D Model of Regulator Protein Bax

Nov. 21, 2014 — A new 3D model of the protein Bax, a key regulator of cell death, has been developed and released by researchers. When active, Bax forms pores in the membranes of mitochondria, causing the release of ... full story

Tapeworm Found Living Inside a Patient's Brain: Worm Removed and Sequenced

Nov. 20, 2014 — A genome of a rare species of tapeworm found living inside a patient's brain has been sequenced for the first time. The study provides insights into potential drug targets within the genome for ... full story

Genetic Connivances of Digits and Genitals: Formation of These Embryonic Structures Involves Action of Very Similar Group of Genes

Nov. 20, 2014 — During the development of mammals, the growth and organization of digits are orchestrated by Hox genes, which are activated very early in precise regions of the embryo. These 'architect genes' are ... full story

Staying Ahead of the Game: Pre-Empting Flu Evolution May Make for Better Vaccines

Nov. 20, 2014 — An international team of researchers has shown that it may be possible to improve the effectiveness of the seasonal flu vaccine by 'pre-empting' the evolution of the influenza ... full story

Nitrogen Sensor Widespread in the Plant Kingdom

Nov. 20, 2014 — Quantitatively, nitrogen is one of the most important nutrients for the growth of plant organisms – from simple green algae to highly developed flowering plants. Nitrogen supply is essential for ... full story

Erosion May Trigger Earthquakes

Nov. 21, 2014 — Researchers have shown that surface processes, i.e. erosion and sedimentation, may trigger shallow earthquakes (less than five kilometers deep) and favor the rupture of large deep earthquakes up to ... full story

Time-Lapse Photos and Synched Weather Data Unlock Antarctic Secrets

Nov. 20, 2014 — Researchers are using time-lapse photography, linked to weather data, to study climate and geological change in the Antarctic Dry ... full story

China's New 'Great Wall' Not So Great, Experts Say

Nov. 20, 2014 — China's second great wall, a vast seawall covering more than half of the country's mainland coastline, is a foundation for financial gain -- and also a dyke holding a swelling rush of ecological ... full story

Salinity Counts When It Comes to Sea Level

Nov. 20, 2014 — Using ocean observations and a large suite of climate models, scientists have found that long-term salinity changes have a stronger influence on regional sea level changes than previously ... full story

Mediterranean Meteorological Tide Has Increased by Over a Millimeter a Year Since 1989

Nov. 20, 2014 — A new database provides data on sea level variation due to atmospheric changes in the south of Europe between 1948 and 2009. Over the last two decades sea levels have increased in the Mediterranean ... full story

Opinion Poll: Canada’s Climate Change Consensus Confronts Keystone

Nov. 20, 2014 — Despite the fact that 81% of Canadians accept that temperature on Earth is increasing, researchers have revealed that Canadians are generally misinformed about the science of climate change and are ... full story

Permafrost Soil: Possible Source of Abrupt Rise in Greenhouse Gases at End of Last Ice Age

Nov. 20, 2014 — Scientists have identified a possible source of carbon dioxide and other greenhouse gases that were abruptly released to the atmosphere in large quantities around 14,600 years ... full story

Volcanic Ash Clouds Can Cross Atlantic Ocean

Nov. 19, 2014 — Scientists have led the discovery of a volcanic ash cloud that traveled from Alaska to Northern Ireland and beyond -- overturning previously held assumptions about how far ash deposits can drift, ... full story

Wild Weather in the Arctic Causes Problems for People and Wildlife

Nov. 19, 2014 — The residents of Longyearbyen, the largest town on the Norwegian arctic island archipelago of Svalbard, remember it as the week that the weather gods caused trouble.  Temperatures were ridiculously ... full story

Little Ice Age Was Global: Implications for Current Global Warming

Nov. 19, 2014 — Researchers have shed new light on the climate of the Little Ice Age, and rekindled debate over the role of the sun in climate change. The new study, which involved detailed scientific examination of ... full story

Spiraling Light, Nanoparticles and Insights Into Life’s Structure

Nov. 19, 2014 — As hands come in left and right versions that are mirror images of each other, so do the amino acids and sugars within us. But unlike hands, only the left-oriented amino acids and the right-oriented ... full story

Prehistoric Landslide Discovery Rivals Largest Known on Surface of Earth

Nov. 19, 2014 — A catastrophic landslide that rivals in size the largest known gravity slide on the surface of the Earth has been mapped in southwestern Utah by geologists. The Markagunt gravity slide, the size of ... full story

Seed Dormancy, a Property That Prevents Germination, Already Existed 360 Million Years Ago

Nov. 19, 2014 — Scientists have found that seed dormancy (a property that prevents germination under non-favorable conditions) was a feature already present in the first seeds, 360 million years ... full story

Ancient Genetic Program Employed in More Than Just Fins and Limbs: Hox Genes Provide Blueprint for a Diversity of Body Plan Features

Nov. 19, 2014 — Researchers have found that the Hox gene program, responsible for directing the development of fins and limbs, is also utilized to develop other body part features of vertebrates, such as barbels and ... full story

Ancient New Zealand 'Dawn Whale' Identified

Nov. 18, 2014 — Palaeontologists are rewriting the history of New Zealand's ancient whales by describing a previously unknown genus of fossil baleen whales and two species within it. The two whales, which lived ... full story

Surviving an Ice Age: Mammals Didn't Play by the Rules of Modeling on Where They Migrated to Survive Last Ice Age

Nov. 18, 2014 — Leave it to long-dead short-tailed shrew and flying squirrels to outfox climate-modelers trying to predict future habitats. Evidence from the fossil record shows that gluttonous insect-eating shrew ... full story

Were Neanderthals a Sub-Species of Modern Humans? New Research Says No

Nov. 18, 2014 — Researchers have identified new evidence supporting the growing belief that Neanderthals were a distinct species separate from modern humans (Homo sapiens), and not a subspecies of modern ... full story

A Bird's-Eye View of the Protein Universe: First Global Picture of the Evolutionary Origins of Proteins

Nov. 18, 2014 — How exactly did proteins first come to be? Do they all share a single common ancestor, or did proteins evolve from many different origins? Forming a global picture of the protein universe is crucial ... full story

Jurassic Climate of Large Swath of Western U.S. Was More Complex Than Previously Known: Unexpected Abrupt Change from Arid to Wet

Nov. 18, 2014 — Climate over a large swath of the western US was more complex during the Jurassic than previously known, according to new research. Instead of a gradual transition from dry to wetter, chemical ... full story

Viking Fortress Discovery: Archaeological Dating Results

Nov. 18, 2014 — In September 2014, archaeologists announced the discovery of a Viking fortress in a field belonging to Vallψ Manor, located west of Kψge on the east coast of Sealand. This was the first discovery ... full story

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Global Report Card: Are Children Better Off Than They Were 25 Years Ago?

Nov. 20, 2014 — A comprehensive analysis of children's rights in 190 countries around the world has now been released. Today, the Convention on the Rights of the Child remains the only formal global effort to ... full story

The American Athletics Track Is Still a Man's World

Nov. 20, 2014 — The limited coverage that American female athletes get in the media is one of many subtle forms of gender biases they have to cope with. The little exposure they do get often focuses more on their ... full story

Identifying Onset of Local Influenza Outbreaks: New Tool

Nov. 20, 2014 — Hospital epidemiologists and others responsible for public health decisions do not declare the start of flu season lightly. All the extra precautions cost time and money, so they do not want to ... full story

Terrorist Attacks Decrease Fertility Levels, Says New Research

Nov. 19, 2014 — On average, terrorist attacks decrease fertility, reducing both the expected number of children a woman has over her lifetime and the number of live births occurring during each year, a new study has ... full story

From Architect to Social Worker: Complex Jobs May Protect Memory and Thinking Later in Life

Nov. 19, 2014 — People whose jobs require more complex work with other people, such as social workers and lawyers, or with data, like architects or graphic designers, may end up having longer-lasting memory and ... full story

Lean Times Ahead: Preparing for an Energy-Constrained Future

Nov. 19, 2014 — Some time this century, the era of cheap and abundant energy will end, and Western industrial civilization will likely begin a long, slow descent toward a resource-limited future characterized by ... full story

It Pays to Have an Eye for Emotions

Nov. 19, 2014 — Attending to and caring about the emotions of employees and colleagues – that's for wimps, not for tough businesspeople and efficient performers, right? Wrong! An extensive international study has ... full story

Why We Need to Fund Newer Blood-Thinning Agents to Prevent Strokes

Nov. 19, 2014 — Care gaps are emerging due to disharmony between healthcare reimbursement policies and evidence-based clinical guideline recommendations, cautions a group of Canadian physicians. They use the example ... full story

Global Surge in ADHD Diagnosis Has More to Do With Marketing Than Medicine, Expert Suggests

Nov. 18, 2014 — A new article attributes ADHD's global growth to five trends: expanded, overseas lobbying efforts by drug companies; the growth of biological psychiatry; the adaptation of the American-based ... full story

Risk Analysis for a Complex World

Nov. 18, 2014 — Developing adaptable systems for finance and international relations could help reduce the risk of major systemic collapses such as the 2008 financial crisis, according to a new ... full story

Job Authority Increases Depression Symptoms in Women, Decreases Them in Men

Nov. 20, 2014 — Having job authority increases symptoms of depression among women, but decreases them among men, a new study has ... full story

Verbal Abuse in the Workplace: Are Men or Women Most at Risk?

Nov. 18, 2014 — There is no significant difference in the prevalence of verbal abuse in the workplace between men and women, according to a systematic review of the literature. Verbal abuse is the most common form ... full story

Businesses Can Help Preserve Endangered Species With Small Landscape Changes

Nov. 17, 2014 — Businesses can contribute to raptor preservation efforts by engaging in less development of lawn areas and increased planting or preservation of native grasslands and woodlots. As more businesses are ... full story

Model for Evaluating Product-Recommendation Algorithms Suggests That Trial and Error Get It Right

Nov. 14, 2014 — A model for evaluating product-recommendation algorithms suggests that trial and error get it right. Researchers will present a paper that applies their model to the recommendation engines that are ... full story

Obesity-Related Work Absences Are 'Financial Drain' for States

Nov. 13, 2014 — Obese workers miss more work days, and those absences carry high costs at the state and national level, according to a study. "Obesity-attributable absenteeism among American workers costs the nation ... full story

Disease Could Cost Black Walnut Industry Millions, Forest Specialist Warns

Nov. 13, 2014 — Thousand cankers disease, which kills black walnut trees, has been confirmed in 15 states. Now experts are warning people to avoid moving firewood or lumber this winter to prevent spreading the ... full story

Mothers Nurture Emotions in Girls Over Boys, New Study Finds

Nov. 12, 2014 — Conversations mothers have with their daughters tend to contain more emotional words and content, than the conversations they have with their sons, new research has found. "This inevitably leads to ... full story

For Leaders, Looking Intelligent Is Less Important Than Looking Healthy

Nov. 5, 2014 — People look for candidates with a healthy complexion when choosing a leader, but don't favor the most intelligent-looking candidates except for positions that require negotiation between groups or ... full story

This Just In: Political Correctness Pumps Up Productivity on the Job

Nov. 4, 2014 — Political correctness, loathed by some as censorship awash in leftist philosophy, actually boosts the creativity of mixed-sex work teams. These results highlight a paradoxical consequence: A term ... full story

Where'd You Get That Great Idea?

Nov. 4, 2014 — Is it better to 'think outside the box,' or to build on something more closely related to the problem one is trying to solve? Researchers have collected surprising evidence that nearer is ... full story

Training Can Lead to Synesthetic Experiences: Does Learning the 'Color Of' Specific Letters Boost IQ?

Nov. 18, 2014 — A new study has shown for the first time how people can be trained to 'see' letters of the alphabet as colors in a way that simulates how those with synesthesia experience their ... full story

‘Smart’ Drugs Won’t Make Smart People Smarter, Research Concludes

Nov. 12, 2014 — It is claimed one in five students have taken the ‘smart’ drug Modafinil to boost their ability to study and improve their chances of exam success. But new research into the effects of Modafinil ... full story

Self-Inflation Harms Kids' Relationships at School

Nov. 12, 2014 — 'I am the smartest kid in class.' We all want our kids to be self-confident, but unrealistic perceptions of their academic abilities can be harmful. These unrealistic views, a new study of ... full story

Sleep Starts Later as Teens Age, but School Still Starts Early

Nov. 7, 2014 — By following dozens of younger and older adolescents for more than two years, researchers in a new study were able to determine that the children fell asleep later and their circadian rhythms shifted ... full story

School Lunches Offer Better Average Nutrition Than Packed Lunches, U.S. Study Finds

Nov. 7, 2014 — Approximately 60% of the more than 50 million public elementary and secondary education students obtain a substantial portion of their daily calories from school lunches. The 2012–2013 National ... full story

Transitions Between States of Matter: It’s More Complicated, Scientists Find

Nov. 6, 2014 — The seemingly simple process of phase changes -- those transitions between states of matter -- is more complex than previously known. New work reveals the need to rethink one of science's building ... full story

Links Between Grammar, Rhythm Explored by Researchers

Nov. 5, 2014 — A child's ability to distinguish musical rhythm is related to his or her capacity for understanding grammar, according to a recent study. The study is the first of its kind to show an association ... full story

Dance Choreography Improves Girls' Computational Skills

Nov. 3, 2014 — Blending movement and computer programming supports girls in building computational thinking skills, according to an ongoing study. This is important research, as even with increasing demands for ... full story

Fun and Games Make for Better Learners

Oct. 31, 2014 — Four minutes of physical activity can improve behavior in the classroom for primary school students, according to new research. A brief, high-intensity interval exercise, or a 'FUNterval,' for Grade ... full story

Availability of Tanning Beds On, Near College Campuses

Oct. 29, 2014 — Among the top 125 colleges on a list compiled by US News & World Report, 48 percent have indoor tanning facilities either on campus or in off-campus housing despite evidence that tanning is a risk ... full story

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