Today's Science News

Thursday, March 5, 2015

Featured Research

from universities, journals, and other organizations

Strength in Numbers: First-Ever Quantum Device That Detects and Corrects Its Own Errors

Mar. 4, 2015 When scientists develop a full quantum computer, the world of computing will undergo a revolution of sophistication, speed and energy efficiency that will make even our beefiest conventional machines ... full story

Why Isn't the Universe as Bright as It Should Be?

Mar. 4, 2015 A handful of new stars are born each year in the Milky Way, while many more blink on across the universe. But astronomers have observed that galaxies should be churning out millions more stars, based ... full story

Discovery of 2.8-Million-Year-Old Jaw Sheds Light on Early Humans

Mar. 4, 2015 For decades, scientists have been searching for African fossils documenting the earliest phases of the Homo lineage, but specimens recovered from the critical time interval between 3 and 2.5 million ... full story

Planet 'Reared' by Four Parent Stars

Mar. 4, 2015 Growing up as a planet with more than one parent star has its challenges. Though the planets in our solar system circle just one star -- our sun -- other more distant planets, called exoplanets, can ... full story

Newly Discovered Hormone Mimics the Effects of Exercise

Mar. 3, 2015 Scientists have discovered a new hormone that fights the weight gain caused by a high-fat Western diet and normalizes the metabolism -- effects commonly associated with exercising. When tested in ... full story

Significant Facial Variation in Pre-Columbian South America

Mar. 5, 2015 A team of anthropology researchers has found significant differences in facial features between all seven pre-Columbian peoples they evaluated from what is now Peru -- disproving a longstanding ... full story

New Protein Booster May Lead to Better DNA Vaccines and Gene Therapy

Mar. 4, 2015 Scientists have discovered a new way to manipulate how cells function, a finding that might help advance an experimental approach to improving public health: DNA vaccines, which could be more ... full story

Excavation Reveals Ancient Town and Burial Complex in Diros Bay, Greece

Mar. 4, 2015 Recent research has uncovered the remains of an ancient town and burial complex that date to the Neolithic and Bronze Age. In addition to the Neolithic 'spooning' couple that has been ... full story

Olive Oil: The Key to Curing Cancer?

Mar. 2, 2015 Extra virgin olive oil (EVOO), long-known for its heart health benefits, has now been identified for its rapid destruction of cancer cells. While scientists have proven that the oleocanthal compound ... full story

Galactic 'Rain' Explains Why Some Galaxies Are Better at Creating Stars

Mar. 4, 2015 Some of the galaxies in our universe are veritable star nurseries. For example, our own Milky Way produces, on average, at least one new star every year. Others went barren years ago, now producing ... full story

Direct Evidence That Drought-Weakened Amazonian Forests 'Inhale Less Carbon'

Mar. 4, 2015 Direct evidence of the rate at which individual trees in the Amazonian basin 'inhale' carbon from the atmosphere during severe drought has been provided by an international research team. ... full story

Experiments Support Conductivity Claims for Microbial Nanowires

Mar. 4, 2015 Scientific debate has been hot lately about whether microbial nanowires, the specialized electrical pili of the mud-dwelling anaerobic bacterium Geobacter sulfurreducens, truly possess metallic-like ... full story

Hurricanes Helped Accelerate Spread of Lionfish

Mar. 4, 2015 Just when you thought hurricanes couldn't get any scarier, think again. Their names roll of the tongue like a rogues' gallery: Floyd, Frances, Irene, Wilma and Andrew. But these aren't ... full story

Men Tend to Be More Narcissistic Than Women, Study Finds

Mar. 4, 2015 With three decades of data from more than 475,000 participants, a new study on narcissism reveals that men, on average, are more narcissistic than ... full story

Genetic Study Revives Debate on Origin and Expansion of Indo-European Languages in Europe

Mar. 4, 2015 Researchers have identified a massive migration of Kurgan populations (Yamna culture) which went from the Russian steppes to the center of Europe some 4,500 years ago, favoring the expansion of ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

What An Ancient Jawbone Could Tell Us About Human Evolution

What An Ancient Jawbone Could Tell Us About Human Evolution

Newsy (Mar. 5, 2015) A 2.8 million-year-old jawbone could represent the most ancient member of our genus ever discovered. Video provided by Newsy
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Star Wars-Inspired Prototype Creates Holographic Display

Star Wars-Inspired Prototype Creates Holographic Display

Reuters - Innovations Video Online (Mar. 5, 2015) A prototype holographic display named Leia - after the Star Wars princess who appeared in holographic form asking Obi-Wan Kenobu for help - is demonstrated at the Mobile World Congress in Barcelona. Matthew Stock reports. Video provided by Reuters
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Australian Museum Shares Terrifying Goblin Shark With the World

Australian Museum Shares Terrifying Goblin Shark With the World

Buzz60 (Mar. 4, 2015) The Australian Museum has taken in its fourth-ever goblin shark, a rare fish with an electricity-sensing snout and 'alien-like' jaw. Mike Janela (@mikejanela) takes a look. Video provided by Buzz60
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New Hormone Could Protect Against Diabetes And Weight Gain

New Hormone Could Protect Against Diabetes And Weight Gain

Newsy (Mar. 4, 2015) A newly discovered hormone mimics the effects of exercise, protecting against diabetes and weight gain. Video provided by Newsy
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last updated on 2015-03-05 at 1:53 pm EST

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Drug to Control Appetite Could Also Fight Anxiety

Mar. 5, 2015 Did you know that our body produces its own marijuana-like compound to protect us against anxiety? A study reveals a new biological pathway that regulates this system and suggests that a drug ... full story

Menopausal Whales Are Influential and Informative Leaders

Mar. 5, 2015 Menopause is a downright bizarre trait among animals. It's also rare. Outside of the human species, only the female members of two whale species outlive their reproductive lives in such a major way. ... full story

Molecule Found in Tree Leaves Helps Female Mice Combat Weight Gain; Males Unaffected

Mar. 5, 2015 A small molecule that binds to a receptor found on muscle cells speeds up energy metabolism -- but only in female mice. Researchers have shown that female mice treated with a molecule found in tree ... full story

Breastfeeding an Ideal Feeding Pattern for Infants, Experts Say

Mar. 5, 2015 Human milk provides the best nutrition for most babies and breastfeeding provides the best nutrition for infants and very young children, according to an updated position paper. The paper also ... full story

Autistic Features Linked to Prenatal Exposure to Commonly Found Fire Retardants, Phthalates

Mar. 5, 2015 Exposure during pregnancy to a combination of fire retardant chemicals and phthalate chemicals -- both present in the average home -- can contribute to autistic-like behaviors in the offspring, ... full story

Exposure to Endocrine Disruptors During Pregnancy Affects the Brain Two Generations Later, Rat Study Shows

Mar. 5, 2015 Prenatal exposure to low doses of the environmental contaminants polychlorinated biphenyls, or PCBs, change the developing brain in an area involved in metabolism, and some effects are apparent even ... full story

Protein's Pivotal Role in Heart Failure Discovered

Mar. 5, 2015 A key piece in the complex molecular puzzle underlying heart failure -- a serious and sometimes life-threatening disorder affecting more than 5 million Americans -- has been identified by ... full story

Smoking When Pregnant Increases Cancer Risk for Daughters

Mar. 5, 2015 Women who smoke when pregnant are putting their daughters at a greater risk of developing ovarian and breast cancer later in life, a new study has determined. Findings also demonstrated that mothers ... full story

Family Interventions Reduce Smoking Rates in Children, Adolescents

Mar. 5, 2015 A global review into the effectiveness of family-based programs has found these programs can be highly effective in stopping children from taking up smoking. "Preventing children from starting to ... full story

Hidden Hazards Found in 'Green' Products

Mar. 5, 2015 Common consumer products, including those marketed as 'green,' 'all-natural,' 'non-toxic' and 'organic' emit a range of compounds that could harm human health and air quality, researchers have found. ... full story

Reliance on Smartphones Linked to Lazy Thinking

Mar. 5, 2015 Our smartphones help us find a phone number quickly, provide us with instant directions and recommend restaurants, but new research indicates that this convenience at our fingertips is making it easy ... full story

Neuropathy: Relief for Diabetics With Painful Condition

Mar. 5, 2015 Those with painful diabetic neuropathy who received two low dose rounds of a non-viral gene therapy called VM202 had significant improvement of their pain that lasted for months, researchers report. ... full story

Human Brains Age Less Than Previously Thought

Mar. 5, 2015 Older brains may be more similar to younger brains than previously thought. In a new paper, researchers demonstrate that previously reported changes in the aging brain using functional magnetic ... full story

Neuroscientists Perform Important Step Towards Cell Therapy for Diseases of the Cerebral Cortex

Mar. 5, 2015 Researchers at the ULB – IRIBHM and ULB Neuroscience Institute – have tested the therapeutic potential of cortical neurons generated at the laboratory, by transplantation in the brains of adult ... full story

Simple Sideline Test Shown Effective in Diagnosing Concussion in Student Athletes as Young as 5 Years Old

Mar. 5, 2015 An easy-to-administer vision test has shown effective in diagnosing concussion in student athletes as young as 5 years old, researchers ... full story

Antibodies to Brain Proteins May Trigger Psychosis

Mar. 5, 2015 Antibodies defend the body against bacterial, viral, and other invaders. But sometimes the body makes antibodies that attack healthy cells. In these cases, autoimmune disorders develop. Immune ... full story

Male Images Seen by Left Side of the Brain

Mar. 4, 2015 A new study has found that people are quicker to categorize a face as being male when it is shown to the left side of the ... full story

Using Fruit Flies to Understand How We Sense Hot and Cold

Mar. 4, 2015 Innately, we pull our hand away when we touch a hot pan on the stove, but little is known about how our brain processes temperature information. Scientists now have discovered how a fruit fly's brain ... full story

Strong Genetic Risk Factor for MS Discovered in Family of Five Affected Siblings

Mar. 4, 2015 A genetic variation has been discovered that, in women, significantly increases their risk of developing multiple sclerosis, scientists report. The variant occurs almost twice as often among women ... full story

Time Management: Why We Feel Busier When Close to Reaching a Goal

Mar. 4, 2015 Is there any worse time to be interrupted than right now? Regardless of what we're doing or the nature of the interruption, we often feel as if we have no time to spare at the moment. According to a ... full story

Semi-Veggie Diet Effectively Lowers Heart Disease, Stroke Risk

Mar. 5, 2015 A pro-vegetarian diet that emphasizes a higher proportion of plant-based foods compared to animal-based foods may help lower the risks of dying from heart disease and stroke by up to 20 percent, ... full story

Weight Loss Surgery Can Be a Safe Option for Obese Children, Experts Say

Mar. 5, 2015 Weight loss surgery does not stunt the growth of obese children when applied within a clinical pathway. It is a safe option to use and provides hope for youngsters who are unable to shed pounds ... full story

Choice of Monitoring Method Could Be Key for Babies With Poor Growth in the Womb

Mar. 4, 2015 In some pregnancies, there is an abnormal blood flow from the placenta and the fetus does not grow adequately in the womb, putting it at risk of being stillborn. Babies that grow poorly in the womb ... full story

Omega-3 Fatty Acids Appear to Protect Damaged Heart After Heart Attack

Mar. 4, 2015 Taking omega-3 fatty acids appeared to lower inflammation and guard against further declines in heart function among recent heart attack survivors already receivingoptimal standard care, according to ... full story

Infant Gut Bacteria and Food Sensitization: Associations in the First Year of Life

Mar. 4, 2015 New light has been shed on changes in intestinal bacteria of infants that can predict future development of food allergies or asthma. The research reveals that infants with a fewer number of ... full story

Dog DNA Tests Alone Not Enough for Healthy Pedigree, Experts Say

Mar. 4, 2015 Breeding dogs on the basis of a single genetic test carries risks and may not improve the health of pedigree lines, experts warn. Only a combined approach that makes use of DNA analysis, health ... full story

Can Exercise Training Prevent Premature Death in Elderly?

Mar. 4, 2015 Generation 100 is the first and largest randomized clinical study evaluating the effect of regular exercise training on morbidity and mortality in elderly people. "Epidemiological studies suggest ... full story

Twitter Helps Smokers Kick the Habit, Study Finds

Mar. 4, 2015 When subjects in a smoking cessation program tweet each other regularly, they're more successful at kicking the habit, according to a study. Specifically, daily 'automessages' that encourage and ... full story

Marriages More Likely to End in Divorce When Wives Get Sick

Mar. 4, 2015 Countless couples have recited the words, ‘in sickness and in health’ on their wedding day with the intention of honoring those vows. But as it turns out, that may be easier said than ... full story

Salt Increases Physical Performance in Resistance Competitions

Mar. 4, 2015 The effectiveness of salt on sports performance in triathletes has been evaluated by researchers. The athletes who added this supplement to their usual hydration routines during the competition took ... full story

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Biomolecular Force Generation Based on Principle of a Gas Spring

Mar. 5, 2015 The mechanical basis of mitosis has only been understood in fragments so far. Now scientists have been able to add another piece to the puzzle of cell biological ... full story

Magnetic Material Attracts Attention for Cancer Therapy

Mar. 5, 2015 An extraordinary self-regulating heating effect that can be achieved in a particular type of magnetic material may open the doors to a new strategy for hyperthermia cancer treatment, researchers say. ... full story

Protecting Crops from Radiation-Contaminated Soil

Mar. 5, 2015 A chemical compound that prevents plants from taking up cesium, thus protecting them -- and us -- from the harmful effects of soil contaminated with radiocesium, has been discovered by ... full story

Printing Custom Touch-Sensitive Displays Youself

Mar. 5, 2015 Computer scientists have developed a technique that could enable virtually anyone to print out customized displays of their own in future – in all shapes and sizes and onto various materials. A ... full story

Medical Nanoparticles: Local Treatment of Lung Cancer

Mar. 5, 2015 Nanoparticles can function as carriers for medicines to combat lung cancer, scientists say, after developing nanocarriers that site-selectively release medicines/drugs at the tumor site in human and ... full story

Big Box Stores Could Ditch the Grid, Use Natural Gas Fuel Cells Instead

Mar. 4, 2015 Natural gas powered solid oxide fuel cells, located at the point of use to produce electricity for facilities the size of big box stores, could provide economic and environmental benefits, with ... full story

New Materials Discovered to Detect Neutrons Emitted by Radioactive Materials

Mar. 4, 2015 A new research paper reveals how specially prepared carbon foam can be used in the detection of neutrons emitted by radioactive materials -- a task of critical importance to homeland security, as ... full story

New Research Could Lead to More Efficient Electrical Energy Storage

Mar. 4, 2015 Researchers have identified electrical charge-induced changes in the structure and bonding of graphitic carbon electrodes that may one day affect the way energy is stored. The research could lead to ... full story

Metabolic Path to Improved Biofuel Production

Mar. 4, 2015 Researchers have found a way to increase the production of fuels and other chemicals from biomass fermented by yeast without the need of environmentally harsh pre-treatments or expensive enzyme ... full story

X-Ray Imaging of a Single Virus in 3-D

Mar. 4, 2015 By imaging single viruses injected into the intense beam of an X-ray free-electron laser, researchers have determined the three-dimensional structure of the mimivirus. The technique could be applied ... full story

Einstein Put to the Test: Satellite Mission on Dark Energy and Theory of Gravitation

Mar. 5, 2015 Physicists have gained new insights into dark energy and the theory of gravitation by analyzing data from the "Planck" satellite mission of the European Space Agency (ESA). Their results demonstrate ... full story

Far from Home: Wayward Star Cluster Is Both Tiny and Distant

Mar. 3, 2015 Like the lost little puppy that wanders too far from home, astronomers have found an unusually small and distant group of stars that seems oddly out of place. The cluster, made of only a handful of ... full story

Cloudy, With a Wisp of Liquid Rock: Clouds Around Exoplanets Analyzed

Mar. 3, 2015 Meteorologists sometimes struggle to accurately predict the weather here on Earth, but now we can find out how cloudy it is on planets outside our solar system, thanks to new ... full story

New Data on the Nature of Dark Matter

Mar. 3, 2015 Recent research contributes to the effort to determine the nature of dark matter, one of the most important mysteries in physics. As indirect evidence provided by its gravitational effects, dark ... full story

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

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

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

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

NASA Spacecraft Nears Historic Dwarf Planet Arrival

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

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

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

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

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

Living on the Edge: Stars Found Far from Galaxy Center

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

Energy-Generating Cloth Could Replace Batteries in Wearable Devices

Mar. 4, 2015 From light-up shoes to smart watches, wearable electronics are gaining traction among consumers, but these gadgets' versatility is still held back by the stiff, short-lived batteries that are ... full story

Pennies Reveal New Insights on Nature of Randomness

Mar. 4, 2015 Researchers have developed an algorithm that creates truly disordered packings of pennies for the first ... full story

How Big Data Can Be Used to Understand Major Events

Mar. 4, 2015 With the most unpredictable UK general election looming in modern times, how can big data be used to understand how elections are covered by the media? New research has for the first time analyzed ... full story

Simulating the Potential Spread of Measles

Mar. 4, 2015 To help the public better understand how measles can spread, a team of infectious disease computer modelers has launched a free, mobile-friendly tool that lets users simulate measles outbreaks in ... full story

Genetic Data Can Help Predict How Pine Forests Will Cope With Climate Change

Mar. 4, 2015 Data from only a small number of gene variants can predict which maritime pine trees are most vulnerable to climate change, scientists report. The results will improve computer models designed to ... full story

Flexible Sensors Turn Skin Into a Touch-Sensitive Interaction Space for Mobile Devices

Mar. 4, 2015 If a mobile phone rings during a meeting, its owner often has to dig it out before it can be muted. A more discreet method would be to decline the incoming call by pressing on one of your fingers. ... full story

Robots for Stroke Rehabilitation

Mar. 4, 2015 A prototype of a robotic glove has been developed which stroke suffers can use in their own home to support rehabilitation and personal independence in receiving therapies. At the chronic stages of ... full story

Float Like a Mosquito: Mechanical Logic May Inspire Aquatic Robots, Better Boats

Mar. 3, 2015 By examining the forces that the segments of mosquito legs generate against a water surface, researchers have unraveled the mechanical logic that allows the mosquitoes to walk on water, which may ... full story

UK Cities Including London Not as 'Smart' as Global Counterparts

Mar. 3, 2015 Major cities in the UK are falling behind their international counterparts in terms of their use of smart technologies, according to a new study. The research has found that smart cities in the UK, ... full story

Modeling Chimp Behavior? Try Using Laws That Govern Matter

Mar. 3, 2015 To simulate chimp behavior, scientists created a computer model based on equations normally used to describe the movement of atoms and molecules in a confined space. An interdisciplinary research ... full story

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Baby Mantises Harness Mid-Air 'Spin' During Jumps for Precision Landings

Mar. 5, 2015 High-speed videos reveal that, unlike other jumping insects, the juvenile praying mantis does not spin out of control when airborne. In fact, it both creates and controls angular momentum at ... full story

Turning a Vole Into a Mighty Rodent

Mar. 5, 2015 Take a wild, common forest-dwelling mouse-like rodent, known as a vole, and subject it to 13 rounds of selection for increased aerobic exercise metabolism, and what do you get? A mighty 'mouse' with ... full story

'Extinct' Bird Rediscovered: Last Seen in 1941

Mar. 5, 2015 A scientific team has rediscovered a bird previously thought to be extinct. Jerdon's babbler (Chrysomma altirostre) had not been seen in Myanmar since July 1941, where it was last found in grasslands ... full story

New Flavors for Lager Beer: Successful Generation of Hybrid Yeasts

Mar. 5, 2015 Researchers have developed hybrid lager yeasts. For centuries the same few yeast strains have been used in the production of lager beer, in contrast to ale, whisky, wine and cider, for which there is ... full story

Full-Annual-Cycle Models Track Migratory Bird Populations Throughout the Year

Mar. 4, 2015 Many birds spend only a few months of the year in their breeding range before leaving to spend the winter in another region or even on another continent, and models that only make use of data from ... full story

Mediterranean Diet Cuts Heart Disease Risk by Nearly Half

Mar. 4, 2015 Adults who closely followed the Mediterranean diet were 47 percent less likely to develop heart disease over a 10-year period compared to similar adults who did not closely follow the diet, according ... full story

Deadly Frog Fungus Dates Back to 1880s, Studies Find

Mar. 4, 2015 A pair of studies show that the deadly fungus Batrachochytrium dendrobatidis, responsible for the extinction of more than 200 amphibian species worldwide, has coexisted harmlessly with animals in ... full story

Advancing Multiple Approaches for Characterizing Permafrost Microbes in a Changing Climate

Mar. 4, 2015 To better characterize the microbial activities in the thawing permafrost, scientists have reported on the application of multiple molecular technologies: ... full story

Genome Replication May Hold Clues to Cancer Evolution

Mar. 4, 2015 The more copies of a genome a cell holds, the more adaptable those cells are, scientists have discovered. This may have implications for cancer's evolution and ... full story

Study Sheds Light on How Malaria Parasites Grow Exponentially

Mar. 4, 2015 The mysterious process by which malaria-related parasites spread at explosive and deadly rates inside humans and other animals has been uncovered by researchers for the first time. As drug-resistant ... full story

Nine Steps to Survive 'Most Explosive Era of Infrastructure Expansion in Human History'

Mar. 5, 2015 A team of scientists call attention to nine issues that must be considered if there is to be any hope of limiting the environmental impacts of the ongoing expansion of new roads, road improvements, ... full story

Flood and Drought Risk to Cities on Rise Even With No Climate Change

Mar. 5, 2015 A heads-up to New York, Baltimore, Houston and Miami: a new study suggests that these metropolitan areas and others will increase their exposure to floods even in the absence of climate ... full story

Yucatan Peninsula Hit by Tsunami 1,500 Years Ago, Evidence Indicates

Mar. 5, 2015 The eastern coastline of Mexico's Yucatan Peninsula, a mecca for tourists, may have been walloped by a tsunami between 1,500 and 900 years ago, says a new study. There are several lines of evidence ... full story

L.A. Story: Cleaner Air, Healthier Kids

Mar. 4, 2015 A 20-year study shows that decreasing air pollution in Los Angeles has led to healthier lungs for millennials when compared to children in the '90s. The gains in lung function paralleled improving ... full story

Scientists Question Rush to Build Nicaragua Canal

Mar. 4, 2015 A consortium of environmental scientists has expressed strong concern about the impact of a controversial Central American canal across Nicaragua. The path of the Nicaragua Interoceanic Grand Canal ... full story

New Models Yield Clearer Picture of Emissions' True Costs

Mar. 4, 2015 New models calculate and compare the true costs of various fuels to health, climate and the environment. Viewed this way, a gallon of gas costs $3.80 more than the pump price. The social cost of a ... full story

Reducing Greenhouse Gas Emissions With a More Effective Carbon Capture Method

Mar. 4, 2015 Trapping carbon dioxide (CO2) emissions from power plants and various industries could play a significant role in reducing greenhouse gas emissions in the future. But current materials that can ... full story

Basis for Cadmium Toxicity Uncovered

Mar. 4, 2015 Research has uncovered how the metal cadmium, which is accumulating in the food chain, causes toxicity in living cells. "Cadmium is a very important industrial metal, but exposure to it results in ... full story

Where You Live Could Mean 'Greener' Alternatives Do More Harm Than Good

Mar. 4, 2015 Engineers propose a new 600-ton threshold that could indicate when switching to 'low carbon' alternatives may actually increase emissions. Although regions may welcome "green" technology like ... full story

Amazon Deforestation 'Threshold' Causes Species Loss to Accelerate

Mar. 4, 2015 One of the first studies to map the impact of deforestation on biodiversity across entire regions of the Amazon has found a clear 'threshold' for forest cover below which species loss becomes more ... full story

Grand Tree of Life Study Shows a Clock-Like Trend in New Species Emergence and Diversity

Mar. 4, 2015 Researchers have assembled the largest and most accurate tree of life calibrated to time, and surprisingly, it reveals that life has been expanding at a constant rate. The study also challenges the ... full story

Animal Functional Diversity Started out Poor, Became Richer Over Time

Mar. 4, 2015 The finding refutes a hypothesis by the famed evolutionary biologist Stephen J. Gould that marine creatures underwent an 'early burst' of functional diversity during the dawn of animal ... full story

When Age Matters: Precise Dating of Ancient Charcoal Found Near Skull Is Helping Reveal Unique Period in Prehistory

Mar. 3, 2015 The precise dating of ancient charcoal found near a skull is helping reveal a unique period in prehistory. The Manot Cave, a natural limestone formation, had been sealed for some 15,000 years. It was ... full story

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

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

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

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

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

How Mantis Shrimp Evolved Many Shapes With Same Powerful Punch

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

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

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

Climate-Change Clues from Turtles of Tropical Wyoming

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

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Mental Health Soon After War-Zone Concussions Predicts Disability

Mar. 4, 2015 Evaluating military personnel with blast-related mild traumatic brain injuries, researchers have found that early symptoms of post-traumatic stress, such as anxiety, emotional numbness, flashbacks ... full story

Agreement on Best Estimates of Breast Cancer Overdiagnosis Urgently Needed to Inform Women

Mar. 4, 2015 More than any other debate about overdiagnosis, the discussion of breast cancer has spilt from the pages of the specialist medical press into the public domain, argues a public health expert, stating ... full story

How Much Overdetection Is Acceptable in Cancer Screening?

Mar. 4, 2015 People have highly variable views on how much overdetection is acceptable in cancer screening, finds a UK ... full story

New Approach to Analysis of Unresolved Controversy Over Nuclear Power

Mar. 4, 2015 A new article investigates why nuclear energy is still deployed in spite of the negative feedbacks and experiences. The researchers argue that one possible explanation for this controversy is that ... full story

Cities Have a Memory and Interact With Their Neighbors

Mar. 4, 2015 Demographic changes in large cities depend on millions of individual decisions, but the population evolves depending on two factors: what 'reminds' them of their recent past and the existence of ... full story

Bans Don't Help Smokers Quit, Researchers Say

Mar. 3, 2015 No significant change in home habits of smokers have been observed in the aftermath of a ban on smoking in public spaces, researchers report. Greater inspiration to kick the habit likely comes from ... full story

Nice to Sniff You: Handshakes May Engage Our Sense of Smell

Mar. 3, 2015 Why do people shake hands? A new study suggests one of the reasons for this ancient custom may be to check out each other's odors. Even if we are not consciously aware of this, handshaking may ... full story

Stress Markers in Unemployed Linked to Poor Health

Mar. 3, 2015 It appears that stress markers in unemployed people can be found, independent of smoking, alcohol consumption and overweight/obesity. Results from a study suggest that long-term unemployment may be ... full story

Vaccine Skeptics Aren't Swayed by Emotional Scare Tactics

Mar. 3, 2015 On the heels of an American nationwide measles outbreak comes a report that campaigns aimed at scaring people about the consequences of non-vaccination might not be as effective as many think. ... full story

US Spends More on Cancer Care, Saves Fewer Lives Than Western Europe

Mar. 2, 2015 Despite sharp increases in spending on cancer treatment, cancer mortality rates in the United States have decreased only modestly since 1970, a study has found. "Our results suggest that cancer care ... 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

Creative Genius Driven by Distraction

Mar. 3, 2015 The literary great Marcel Proust wore ear-stoppers because he was unable to filter out irrelevant noise -- and lined his bedroom with cork to attenuate sound. Now new research suggests why the ... full story

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

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

Teachers Become Healthier When They Learn

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

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

Biology Teachers: Understanding Faith, Teaching Evolution Not Mutually Exclusive

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

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

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

Delaying Children's School Entry Linked to Poor Academic Performance

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

Teens Increasingly Sleep Deprived

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

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

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

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

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

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