Today's Science News

Sunday, March 1, 2015

Featured Research

from universities, journals, and other organizations

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

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

Physicists Offer a Solution to the Puzzle of the Origin of Matter in the Universe

Feb. 25, 2015 Most of the laws of nature treat particles and antiparticles equally, but stars and planets are made of particles, or matter, and not antiparticles, or antimatter. That asymmetry, which favors matter ... full story

First Direct Observation of Carbon Dioxide's Increasing Greenhouse Effect at Earth's Surface

Feb. 25, 2015 Scientists have observed an increase in carbon dioxide's greenhouse effect at Earth's surface for the first time. They measured atmospheric carbon dioxide's increasing capacity 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

How Rare Antibody Targets Ebola and Marburg Virus

Feb. 26, 2015 Scientists have captured the first images showing how immune molecules bind to a site on the surface of Marburg virus and have described an antibody that binds to both Marburg and Ebola viruses, ... full story

How Does the Human Brain Tackle Problems It Did Not Evolve to Solve?

Feb. 25, 2015 Online dating, chatty smartphones, and social media played no role in the evolution of our ancestors, yet humans manage to deal with and even exploit these hallmarks of modern living. In a new ... full story

Evolutionary Approach Reveals New Clues Toward Understanding the Roots of Schizophrenia

Feb. 24, 2015 The very changes specific to human evolution may have come at a cost, contributing to the genetic architecture underlying schizophrenia traits in modern humans, scientists say. Their new evolutionary ... 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

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

Type 2 Diabetes, Fatty Liver Disease Reversed in Rats

Feb. 26, 2015 A controlled-release oral therapy has been developed by scientists that reversed type 2 diabetes and fatty liver disease in rats, according to a study. "Given these promising results in animal ... full story

Asian Herb Holds Promise as Treatment for Ebola Virus Disease

Feb. 26, 2015 New research focuses on the mechanism by which Ebola virus infects a cell and the discovery of a promising drug therapy candidate. A small molecule called Tetrandrine derived from an Asian herb has ... 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

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

Featured Videos

from AP, Reuters, AFP, and other news services

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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How Did A Mummy End Up In A 1,000-Year-Old Buddha Statue?

How Did A Mummy End Up In A 1,000-Year-Old Buddha Statue?

Newsy (Feb. 23, 2015) A CT scan has revealed a mummified Chinese monk inside a Buddha statue. The remains date back about 1,000 years. Video provided by Newsy
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last updated on 2015-03-01 at 6:28 pm EST

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Image-Guided Treatment Shown to Break the Migraine Cycle

Mar. 1, 2015 An innovative interventional radiology treatment has been found to offer chronic migraine sufferers sustained relief of their headaches, according to new research. Clinicians have used a treatment ... full story

Crohn's Disease Not Exempt from Racial Disparities

Feb. 27, 2015 Significant differences were found in hospital re-admissions, medication usage, and both medical and surgical complications of children with Crohn's disease related to race. In the study, black ... full story

New Compounds Protect Nervous System from the Structural Damage Characteristic of Multiple Sclerosis

Feb. 27, 2015 A newly characterized group of pharmacological compounds block both the inflammation and nerve cell damage seen in mouse models of multiple sclerosis, according to a study. Multiple sclerosis is a ... full story

Reviving Drugs With Anti-Stroke Potential, Minus Side Effects

Feb. 27, 2015 Scientists have found NMDA receptor antagonists that can limit damage to the brain in animal models of stroke, apparently without the pronounced side effects seen with similar drugs. Now researchers ... full story

Enhancing Studies on a Possible Blood Biomarker for Traumatic Brain Injury

Feb. 27, 2015 New technology could help advance blood biomarker capabilities for improved diagnosis, treatment and prognosis of traumatic brain injury (TBI). An estimated 1.7 million Americans suffer a traumatic ... full story

Physician-Industry Conflict of Interest Issue from MS Patient Perspective

Feb. 27, 2015 A new study explores what multiple sclerosis patients know, or want to know, about their physician’s financial relationship with the pharmaceutical company sponsoring clinical ... full story

Growth Signal Can Influence Cancer Cells' Vulnerability to Drugs, Study Suggests

Feb. 27, 2015 In theory, a tumor is an army of clones, made up of many copies of the original cancerous cell. But tumor cells don't always act like duplicates, and their unpredictable behavior can create problems ... 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

Study Challenges Theory on Unconscious Memory System in the Brain

Feb. 27, 2015 A long-accepted scientific theory about the role the hippocampus plays in our unconscious memory is being challenged by new research. For decades, scientists have theorized that this part of the ... 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

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

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

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

High Stress for New Mothers Increases Secondhand Smoke Risk for Infants

Feb. 27, 2015 Mothers with a high level of prenatal social stressors -- including possibly less control over their own housing situation or economic distress -- had 2.5 times higher odds to have only a partial or ... full story

Left or Right? The Brain Knows Before You Move

Feb. 27, 2015 A neural circuit that connects motor planning to movement has been identified by researchers. The study, the researchers say, explains why injuries that disrupt the brain's ability to carry out ... 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

Calling the Shots: Brain's Decision-Making Structure

Feb. 27, 2015 A key part of the brain involved with decision making, the striatum, appears to operate hierarchically – much like a traditional corporation with executives, middle managers and employees, ... full story

Shake It Off? Not So Easy for People With Depression, New Brain Research Suggests

Feb. 27, 2015 Rejected by a person you like? Just "shake it off" and move on, as music star Taylor Swift says. But while that might work for many people, it may not be so easy for those with untreated depression, ... 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

New Ultrasensitive Test for Peanut Allergies

Feb. 27, 2015 Chemists have developed a new test for peanut allergies that can not only tell whether someone is allergic, it can also determine how intense their allergic reaction will ... full story

Antibiotic Resistant Salad: Resistant Listeria Monocytogenes Not as Widespread as Thought

Feb. 27, 2015 Antibiotic-resistant strains of the food-poisoning microbe Listeria monocytogenes in unprocessed salad products is not quite as widespread as scientists originally suspected. A new study reveals that ... full story

Why Debunked Autism Treatment Fads Persist

Feb. 26, 2015 The communication struggles of children with autism spectrum disorder can drive parents and educators to try anything to understand their thoughts, needs and wants. Authors describe a litany of ... 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

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

Study Maps Extroversion Types in the Brain's Anatomy

Feb. 25, 2015 Scientists have mapped the similarities and the differences in the brain between the two different kinds of extroverts: 'Agentic' go-getters and 'affiliative' people ... full story

Bariatric Surgery Affects Risk of Pregnancy Complications

Feb. 25, 2015 Bariatric surgery has both a positive and negative influence on the risk of complications during subsequent pregnancy and delivery, concludes a new study. The results indicate that maternal health ... full story

The 180 Billion Bill for Living in a Material World: Material Lifestyles Not Making Us Happier

Feb. 25, 2015 Our modern material lifestyles are failing to make us happier, damaging our health, are no longer sustainable and cost the overall economy tens of billions of pounds every ... full story

Breakfast Habits Affect Teens' Metabolic Responses to Protein-Packed Morning Meals

Feb. 25, 2015 A researcher compared young women who habitually skip breakfast to those who routinely eat breakfast and found that their metabolic responses to eating a high-protein breakfast were different. ... full story

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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

Bringing Clean Energy a Step Closer

Feb. 27, 2015 Researchers have made an inexpensive metal-free catalyst that performs as well as costly metal catalysts at speeding the oxygen reduction reaction in an acidic fuel cell, and is more durable. The ... full story

Energy Use in Buildings: Innovative, Lower Cost Sensors and Controls Yield Better Energy Efficiency

Feb. 27, 2015 Buildings are responsible for about 40 percent of the energy consumed in the United States. Studies indicate that advanced sensors and controls have the potential to reduce the energy consumption of ... 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

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

Saving Energy: Increasing Oil Flow in the Keystone Pipeline With Electric Fields

Feb. 27, 2015 A strong electric field applied to a section of the Keystone pipeline can smooth oil flow and yield significant pump energy savings. Once aligned with an electric field, oil retained its low ... full story

New Filter Could Advance Terahertz Data Transmission

Feb. 27, 2015 For wireless communication in the long-sought terahertz range, engineers have devised a frequency filter that can be fabricated with an inkjet ... 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

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

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

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

SOHO Sees Something New Near the Sun: Comet Survives Close Encounter

Feb. 24, 2015 An unusual comet skimmed past the sun on Feb 18-21, 2015, as captured by the European Space Agency (ESA) and NASA's Solar and Heliospheric Observatory, or ... full story

Mars Exploration: NASA's MAVEN Spacecraft Completes First Deep Dip Campaign

Feb. 19, 2015 NASA's Mars Atmosphere and Volatile Evolution has completed the first of five deep-dip maneuvers designed to gather measurements closer to the lower end of the Martian upper ... full story

Giving Shape to Black Holes' Intense Winds

Feb. 19, 2015 By looking at the speed of ambient gas spewing out from a well-known quasar, astronomers are gaining insight into how black holes and their host galaxies might have evolved at the same ... full story

Scientists Identify Mineral That Destroys Organic Compounds, With Implications for Mars Curiosity Mission

Feb. 19, 2015 Scientists have discovered that the mineral jarosite breaks down organic compounds when it is flash-heated, with implications for Mars research. Jarosite is an iron sulphate and it is one of several ... full story

Hubble Gets Best View of a Circumstellar Debris Disk Distorted by a Planet

Feb. 19, 2015 Astronomers have used the Hubble Space Telescope to take the most detailed picture to date of a large, edge-on, gas-and-dust disk encircling the 20-million-year-old star Beta Pictoris. The new image ... full story

A New View of the Solar System: Astrophysical Jets Driven by the Sun

Feb. 19, 2015 New research suggests that the sun's magnetic field controls the large-scale shape of the heliosphere much more than expected. The new model shows that the magnetic field squeezes the solar wind ... full story

Higgs Mode in Superconducting Materials: Tabletop Technique for Examining Physics' Most Celebrated Missing Link

Feb. 19, 2015 The Nobel Prize-winning discovery of the Higgs boson -- the 'God particle' believed responsible for all the mass in the universe -- took place in 2012 at CERN's Large Hadron Collider. The first hint ... full story

Classical Nova Explosions Are Major Lithium Factories in the Universe

Feb. 19, 2015 Astronomers observed Nova Delphini 2013 which occurred on August 14, 2013. They discovered that the outburst is producing a large amount of lithium (Li). Lithium is a key element in the study of 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

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

Clusters of Aluminum Metal Atoms Become Superconductive at Surprisingly High Temperatures

Feb. 25, 2015 Clusters of atoms known as 'superatoms' represent an entirely new family of superconductors -- one that appears to work at temperatures well above standard ... full story

Parkinson's Disease Patients Have Reduced Visual Contrast Acuity

Feb. 25, 2015 An iPad<sup></sup> application has been developed that can help physicians screen for Parkinson's Disease, report researchers. Patients with Parkinson's disease (PD) often have difficulties with ... full story

Uncertainties Must Be Taken Into Account in Fisheries Stock Assessment

Feb. 25, 2015 Fisheries stock assessment provides information on the status of fish stocks and the impact of fishing on stock development. Since no direct information on fish stock size or fishing mortality rates ... full story

Novel Computer Model Designed to Understand Cardiovascular Diseases

Feb. 25, 2015 A novel three-dimensional, multiscale and multicomponent model of endothelial cells monolayer, the inner lining of artery, has been developed by researchers to identify the cellular mechanisms ... full story

Bionic Reconstruction Lets Patients Use a Robotic Prosthetic Hand Controlled by the Mind

Feb. 24, 2015 Three Austrian men have become the first in the world to undergo a new technique called "bionic reconstruction", enabling them to use a robotic prosthetic hand controlled by their mind, according to ... full story

Sensor-Packed Smartphones Can Read Your Mood, Guard Your Data, and Wreak Havoc in the Wrong Hands

Feb. 24, 2015 Smartphones have replaced nearly every conceivable gadget, but computer scientists are teaching them some new tricks. The researchers are adapting accelerometers, GPS chips, gyroscopes and other ... full story

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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

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

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

Transient Details of HIV Genome Packaging Captured

Feb. 27, 2015 Once HIV-1 has hijacked a host cell to make copies of its own RNA genome and viral proteins, it must assemble these components into new virus particles. The orchestration of this intricate assembly ... 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

Can Coffee Reduce Your Risk of MS?

Feb. 26, 2015 Drinking coffee may be associated with a lower risk of developing multiple sclerosis (MS), according to a new ... full story

Malaria Transmission Linked to Mosquitoes' Sexual Biology

Feb. 26, 2015 Sexual biology may be the key to uncovering why Anopheles mosquitoes are unique in their ability to transmit malaria to humans, according to researchers. "Our study is the first to reveal the ... full story

Role of Specialized Protein Affirmed in Assuring Normal Cell Development

Feb. 26, 2015 A specialized DNA-binding protein called CTCF is essential for the precise expression of genes that control the body plan of a developing embryo, scientists have demonstrated. The findings focus on ... full story

Fighting Colorado Potato Beetle With RNA Interference

Feb. 26, 2015 Colorado potato beetles are a dreaded pest of potatoes. Since they do not have natural enemies in most regions, farmers try to control them with pesticides. However, this strategy is often ... full story

Living in Genetic Comfort Zone: How to Avoid Influence of Genetic Variation

Feb. 26, 2015 The phenotype of organisms is shaped by the interaction between environmental factors and their genetic constitution. A recent study by a team of population geneticists shows that fruit flies live in ... 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

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

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

'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

Interaction of Atlantic and Pacific Oscillations Caused 'False Pause' in Warming

Feb. 26, 2015 The recent slowdown in climate warming is due, at least in part, to natural oscillations in the climate, according to a team of climate scientists, who add that these oscillations represent ... full story

Amphibian Chytrid Fungus Reaches Madagascar

Feb. 26, 2015 The chytrid fungus, which is fatal to amphibians, has been detected in Madagascar for the first time. This means that the chytridiomycosis pandemic has now reached a biodiversity hotspot. Researchers ... full story

Pollution Is Driving Force Behind Growth of Nuisance Algal Scums Linked to Disease

Feb. 26, 2015 Potentially toxic microbes which pose a threat to our drinking water have undergone a dramatic population explosion over the last 200 years as a result of pollution. Colonies of blue-green algae pose ... 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

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

Animals Tend to Evolve Toward Larger Size Over Time

Feb. 19, 2015 In one of the most comprehensive studies of body size evolution ever conducted, scientists have found fresh support for Cope's rule, a theory in biology that states that animal lineages tend to ... full story

Tracing Languages Back to Their Common Ancestors Through the Statistics of Sound Shifts

Feb. 19, 2015 A statistical technique that sorts out when changes to words’ pronunciations most likely occurred in the evolution of a language offers a renewed opportunity to trace words and languages back to ... 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

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

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

Criminologist's Study Shows Lack of Mental Health Care for Prisoners

Feb. 26, 2015 A substantial number of prison inmates have not received treatment for mental health conditions, a expert claims. The study recommends that prisons prioritize the use of validated screening ... full story

Sharp Rise in Experimental Animal Research in US

Feb. 25, 2015 The use of animals in experimental research has soared at leading US laboratories in recent years, finds new research. This is despite growing public opposition to animal experimentation, mounting ... full story

Vaccine Hesitancy: Journal Collection Investigates Vaccination Decision-Making

Feb. 25, 2015 Vaccines are thought to be one of the most successful public health measures, but some individuals are hesitant to vaccinate their families for a variety of reasons. Researchers explore individuals' ... full story

Consideration of Costs Can Reduce Moral Objections to Human Organ Sales and Other 'Repugnant' Transactions, Says Researcher

Feb. 25, 2015 People might abandon their moral objections to organ selling – and to other transactions in repugnant markets -- when presented with information about the potential advantages of such sales, ... 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

Study Linking Suicidal Behavior, Psychotic Experiences May Yield Strategies to Help Prevent Suicide Attempts

Feb. 25, 2015 Suicidal ideation and psychotic experiences have been studied among more than 11,000 adults 18 and older. The data were drawn from a large general-population based sample of U. S. households. Suicide ... full story

Women Twice as Likely to See Pot as Risky

Feb. 25, 2015 A study on the perceived risk of using cannabis and characteristics associated with these perceptions found that non-white, low-income women over 50 were most likely to perceive a risk in using the ... 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

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

Girls Lead Boys in Academic Achievement Globally

Jan. 26, 2015 Considerable attention has been paid to how boys' educational achievements in science and math compare to girls' accomplishments in those areas, often leading to the assumption that boys outperform ... full story

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