Today's Science News

Friday, March 6, 2015

Featured Research

from universities, journals, and other organizations

Mars: The Planet That Lost an Ocean's Worth of Water

Mar. 5, 2015 — A primitive ocean on Mars held more water than Earth's Arctic Ocean, and covered a greater portion of the planet's surface than the Atlantic Ocean does on Earth, according to new results ... full story

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

Have a Sense of Purpose in Life? It May Protect Your Heart

Mar. 6, 2015 — Having a high sense of purpose in life may lower your risk of heart disease and stroke, according to a new ... full story

Stuck-in-the-Mud Plankton Reveal Ancient Temperatures

Mar. 6, 2015 — New research showing how tiny creatures drifted across the ocean before falling to the seafloor and being fossilized has the potential to improve our understanding of past climates, scientists ... full story

Melting Glaciers Create Noisiest Places in Ocean, Study Says

Mar. 6, 2015 — Researchers measure underwater noise in Alaskan and Antarctic fjords and find them to be the noisiest places in the ocean. This leads researchers to ask how animals such as whales and seals use the ... full story

Combined Arctic Ice Observations Show Decades of Loss

Mar. 3, 2015 — Historic submarine and modern satellite records show that average ice thickness in the central Arctic Ocean dropped by 65 percent from 1975 to 2012. September ice thickness, when the ice cover is at ... full story

Losing 30 Minutes of Sleep Per Day May Promote Weight Gain and Adversely Affect Blood Sugar Control

Mar. 6, 2015 — Losing as little as 30 minutes of sleep per day on weekdays can have long-term consequences for body weight and metabolism, a new study ... full story

NASA Spacecraft Becomes First to Orbit a Dwarf Planet

Mar. 6, 2015 — NASA's Dawn spacecraft has become the first mission to achieve orbit around a dwarf planet. The spacecraft was approximately 38,000 miles (61,000) kilometers from Ceres when it was captured by ... full story

'Habitable' Planet GJ 581d Previously Dismissed as Noise Probably Does Exist

Mar. 6, 2015 — A new report has dismissed claims made last year that the first super-Earth planet discovered in the habitable zone of a distant star was 'stellar activity masquerading as planets.' The ... full story

How Drowsy Microbes in Arctic Tundra Change to Methane-Makers as Permafrost Thaws

Mar. 4, 2015 — As the Arctic warms, tons of carbon locked away in Arctic tundra will be transformed into the powerful greenhouse gases carbon dioxide and methane, but scientists know little about how that ... full story

Breakthrough in Energy Harvesting Could Power 'Life on Mars'

Mar. 5, 2015 — Martian colonists could use an innovative new technique to harvest energy from carbon dioxide thanks to new research. The research proposes a new kind of engine for producing energy based on the ... full story

Snffing out Origins of Methane: Instrument Identifies Methane's Origins in Mines, Deep-Sea Vents, and Cows

Mar. 5, 2015 — Methane is a potent greenhouse gas, second only to carbon dioxide in its capacity to trap heat in Earth's atmosphere for a long time. The gas can originate from lakes and swamps, natural-gas ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

'Extinct' Bird Isn't Extinct At All, Scientists Find

'Extinct' Bird Isn't Extinct At All, Scientists Find

Buzz60 (Mar. 6, 2015) — Scientists rediscover a bird thought to be extinct, so we may be able to cross it off the "Gone For Good" list. Sean Dowling (@seandowlingtv) has more details. Video provided by Buzz60
Powered by NewsLook.com
U.S. Spacecraft Orbits Ceres for 16-Month Study

U.S. Spacecraft Orbits Ceres for 16-Month Study

Reuters - News Video Online (Mar. 6, 2015) — A U.S. space probe slips into orbit around Ceres, a miniature planet beyond Mars believed to be left over from the formation of the solar system, NASA says. Jillian Kitchener reports. Video provided by Reuters
Powered by NewsLook.com
Praying Mantis Looks Long Before It Leaps

Praying Mantis Looks Long Before It Leaps

Reuters - Innovations Video Online (Mar. 5, 2015) — Slowed-down footage of the leaps of praying mantises show the insect's extraordinary precision, say researchers. Video provided by Reuters
Powered by NewsLook.com
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
Powered by NewsLook.com

More Science News


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

Subscribe for Free


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

News by Topic

last updated on 2015-03-06 at 11:53 pm EST

jump to:    Health  |  Tech  |  Enviro  |  Society

Pharmacist Survey Shows Huge Growth in Compounded Menopausal Hormone Therapy

Mar. 6, 2015 — Among prescriptions filled for menopausal hormone therapy in the US, almost half now are custom-compounded 'bioidentical' hormones, according to analysis of a recent survey of nearly 500 ... full story

Turning Yogurt Waste Into New Products

Mar. 6, 2015 — With exploding consumer demand for Greek yogurt, production is up. That’s great for food companies’ bottom lines, but it also leaves them dealing with a lot more acid whey, a problematic ... full story

Chromosomal Rearrangement Is Key to Progress Against Aggressive Infant Leukemia

Mar. 6, 2015 — A highly aggressive form of leukemia in infants has surprisingly few mutations beyond the chromosomal rearrangement that affects the MLL gene, researchers have found. The findings suggest that ... full story

Multitasking Hunger Neurons Also Control Compulsive Behaviors

Mar. 6, 2015 — In the absence of food, neurons that normally control appetite initiate complex, repetitive behaviors seen in obsessive-compulsive disorder, and anorexia nervosa, according to a new ... full story

New Tool for Detecting, Destroying Norovirus

Mar. 6, 2015 — Norovirus infection is the most common cause of viral gastroenteritis, or 'stomach flu.' A research team recently produced 'nanobodies' that could be used to better characterize the structural makeup ... full story

Parasite Infection Poses a Greater Risk for African Under-Fives

Mar. 6, 2015 — Children under five living in sub-Saharan Africa are at greater risk than older children of developing a long-term parasitic disease, research ... full story

Male Smokers at Higher Risk Than Females for Osteoporosis, Fractures

Mar. 6, 2015 — In a large study of middle-aged to elderly smokers, men were more likely than women to have osteoporosis and fractures of their vertebrae. The findings suggest that current and past smokers of both ... full story

Gut Bacteria May Contribute to Diabetes in Black Males

Mar. 6, 2015 — African American men at elevated risk for developing type 2 diabetes may have fewer beneficial and more harmful intestinal bacteria, according to new ... full story

The Price of Protection: Abused Women and Earnings

Mar. 6, 2015 — 'Why doesn't she just leave?' is a timeworn question about women trapped in relationships that are physically and/or emotionally abusive to them. Economic dependence is clearly part of the ... full story

Safer Drug Combination Found for Patients With High-Risk Atrial Fibrillation

Mar. 6, 2015 — Use of a newer blood thinner significantly decreased the risk of strokes for patients with atrial fibrillation who require an anticoagulant and the heart rhythm medication amiodarone, a new study has ... full story

High-Normal Thyroid Hormone Level in Pregnancy May Affect Fetal Brain Development

Mar. 6, 2015 — A new study finds that not only low but also high maternal thyroid hormone levels during early pregnancy may significantly lower the infant's IQ later in childhood. The study results suggest that the ... full story

First Validated Method of Detecting Drugs of Abuse in Exhaled Breath

Mar. 6, 2015 — Drug testing is most commonly performed using urine samples. The methodology and regulations for reliable urine testing are well developed and can be considered the current gold standard for drug ... full story

New Study Points to Better Classrooms for Children With Disabilities

Mar. 6, 2015 — A pilot study in 51 North Carolina classrooms shows the effectiveness of a new measure in assessing the quality of practices in inclusive preschools. Not only is the Inclusive Classroom Profile a ... full story

New Findings on 'Key Players' in Brain Inflammation

Mar. 6, 2015 — Inflammatory processes occur in the brain in conjunction with stroke and neurological diseases such as Alzheimer’s and Parkinson’s disease. Researchers have presented new findings about some of ... full story

Mice Don't Need the Cortex to Sing Their Songs

Mar. 6, 2015 — The human language is unique in that we can refer to objects, events and ideas. The combination of syllables and words enables humans to generate an infinite number of expressions. An important ... full story

Brain Treats Real and Imaginary Objects in the Same Way

Mar. 6, 2015 — The human brain can select relevant objects from a flood of information and edit out what is irrelevant. It also knows which parts belong to a whole. If, for example, we direct our attention to the ... full story

Autism Detection Improved by Multimodal Neuroimaging

Mar. 6, 2015 — Combined measurements of brain anatomy, connectivity and neurochemistry distinguish autism spectrum disorder subjects from controls, scientists say. This multimodal approach is distinct from many ... full story

Oxytocin Nasal Spray Causes Men to Eat Fewer Calories

Mar. 5, 2015 — A synthetic nasal formulation of the hormone oxytocin reduced caloric intake in healthy men, particularly consumption of fatty foods, after a single treatment, a new study finds. The results confirm ... full story

Abnormal Brain Rhythms Tied to Problems With Thinking in Schizophrenia

Mar. 5, 2015 — By studying specially bred mice with specific developmental and cognitive traits resembling those seen in schizophrenia, researchers have provided new evidence that abnormal rhythmic activity in ... full story

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

Infant Growth Affected by Exposure to Environmental Pollutants

Mar. 6, 2015 — Even though the levels of two environmental pollutants have declined over the last 20 years, they may still have adverse effects on children's development, according to a new study. The researchers ... full story

Popular Antioxidant Likely Ineffective, Study Finds

Mar. 6, 2015 — The popular dietary supplement ubiquinone, also known as Coenzyme Q10, is widely believed to function as an antioxidant, protecting cells against damage from free radicals. But a new study finds that ... full story

Excess Sitting Linked to Coronary Artery Calcification, an Early Indicator of Heart Problems

Mar. 5, 2015 — Sitting for many hours per day is associated with increased coronary artery calcification, a marker of subclinical heart disease that can increase the risk of a heart attack, according to research. ... full story

Phthalates Potentially Alter Levels of a Pregnancy Hormone That Influences Sex Development

Mar. 5, 2015 — Exposure to hormone-altering chemicals called phthalates -- which are found in many plastics, foods and personal care products -- early in pregnancy is associated with a disruption in an essential ... 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

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

jump to:    Health  |  Tech  |  Enviro  |  Society

Chemists Develop New Way to Make Cost-Effective Material for Electricity Storage

Mar. 6, 2015 — Researchers have found a new way to make state-of-the-art materials for energy storage using a cheap lamp from the hardware ... full story

Self Driving Cars Could Free Up Rush Hour Traffic

Mar. 6, 2015 — With the growing popularity of care share programs, self-driving technology could be a game changer for urban traffic systems. A new study looks at how the Swedish capital's transport grid could be ... full story

Graphene Meets Heat Waves

Mar. 6, 2015 — Researchers have shed new light on the fundamental mechanisms of heat dissipation in graphene and other two-dimensional materials. They have shown that heat can propagate as a wave over very long ... full story

Urine Power to Light Camps in Disaster Zones

Mar. 6, 2015 — A toilet, conveniently situated near the Student Union Bar at the University of the West of England, is proving that urine can generate ... full story

Fluid-Filled Pores Separate Materials With Fine Precision

Mar. 6, 2015 — Scientists have developed an entirely new, highly versatile mechanism for controlling passage of materials through micropores, using fluid to modulate their opening and closing. The new system can ... full story

New Flexible Films for Touch Screen Applications Achieve Longer Lasting Display

Mar. 6, 2015 — Today, touch screens are everywhere, from smart phones and tablets, to computer monitors, to interactive digital signage and displays. Many touch screens are made of layered thin (billionths of a ... full story

Microscopy Directly Images Problematic Lithium Dendrites in Batteries

Mar. 6, 2015 — Scientists have captured the first real-time nanoscale images of lithium dendrite structures known to degrade lithium-ion batteries. Dendrites form when metallic lithium takes root on a battery's ... full story

A New Way to Control Information by Mixing Light and Sound

Mar. 6, 2015 — For once, slower is better in a new piece of technology. Scientists have developed a new, radio frequency processing device that allows information to be controlled more effectively, opening the door ... full story

Researchers Create Artificial Methane Hydrates, Open an Innovative Pathway for Use of New Fuels

Mar. 6, 2015 — A technology that allows the preparation of artificial methane hydrates has been developed by researchers. These researchers have demonstrated that it is possible to prepare methane hydrates in a ... full story

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

Black Holes and Dark Sector Explained by Quantum Gravity

Mar. 6, 2015 — A quantum version of General Relativity demonstrates that dark energy and dark matter are different manifestations of gravity. The theory calculates the precise value of the cosmological constant, ... full story

Hubble Sees Supernova Split Into Four Images by Cosmic Lens

Mar. 5, 2015 — Astronomers have spotted for the first time a distant supernova split into four images. The multiple images of the exploding star are caused by the powerful gravity of a foreground elliptical galaxy ... 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

Space Technology Investigates Large-Scale Changes to Africa's Climate

Mar. 5, 2015 — Researchers have mapped climate and human impacts on Africa's land resources using satellite mapping ... full story

Rapid Changes Observed in a Comet’s Plasma Tail

Mar. 5, 2015 — Images from a December 2013 observation of the comet C/2013 R1 (Lovejoy) reveal clear details about rapidly changing activity in that comet's plasma tail. Astronomers zoomed in to within 0.8 million ... 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

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

Sap-Feeding Butterflies Join Ranks of Natural Phenomenon, the Golden Ratio

Mar. 6, 2015 — Researchers observed that the coiling action of the butterfly proboscis, a tube-like 'mouth' that many butterflies and moths use to feed on fluids, resembled a spiral similar to that of the Golden ... full story

Breakthrough in Nonlinear Optics Research

Mar. 5, 2015 — A method to selectively enhance or inhibit optical nonlinearities in a chip-scale device has been developed by scientists. To achieve their result the scientists investigated a specific optical ... full story

Printing Custom Touch-Sensitive Displays Yourself

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

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

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

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

jump to:    Health  |  Tech  |  Enviro  |  Society

New Tool Aids US Conservation, Management of Whales, Dolphins and Porpoises

Mar. 6, 2015 — Researchers have identified more than 100 areas within US waters that should be considered biologically important when making management and regulatory decisions about human activities that could ... full story

Female Fish That Avoid Mating With Related Species Also Shun Some of Their Own

Mar. 6, 2015 — A new study offers insight into a process that could lead one species to diverge into two, researchers report. The study found that female killifish that avoid mating with males of a closely related ... full story

Evolving to Cope With Climate Change

Mar. 6, 2015 — Researchers have successfully measured the potential of the Atlantic Silverside to adapt to ocean acidification. This is the first such measurement for a vertebrate ... full story

Onion Extract May Improve High Blood Sugar and Cholesterol

Mar. 6, 2015 — The extract of onion bulb, Allium cepa, strongly lowered high blood glucose (sugar) and total cholesterol levels in diabetic rats when given with the antidiabetic drug metformin, according to a new ... full story

Researchers Connect Climate Change to Food Safety

Mar. 6, 2015 — Climate change can affect our food safety in a number of ways. In a European study, researchers state that there is often a relationship between long-term changes in temperature and rainfall and ... full story

Green Lungs of Our Planet Are Changing

Mar. 6, 2015 — Are leaves and buds developing earlier in the spring? And do leaves stay on the trees longer in autumn? Do steppe ecosystems remain green longer and are the savannas becoming drier and drier? In ... full story

How Healthy Is Genetically Modified Soybean Oil?

Mar. 5, 2015 — Soybean oil accounts for more than 90 percent of all the seed oil production in the United States. Genetically modified soybean oil, made from seeds of GM soybean plants, was recently introduced into ... full story

Nutrient Pollution Damages Streams in Ways Previously Unknown, Ecologists Find

Mar. 5, 2015 — An important food resource has been disappearing from streams without anyone noticing until now. Ecologists reports that nutrient pollution causes a significant loss of forest-derived carbon from ... full story

To Reduce Body Fat, Eating Less Fat May Be More Effective Than Eating Less Carbohydrate

Mar. 5, 2015 — In adults with obesity, lowering dietary fat may lead to greater body fat loss than lowering dietary carbohydrate, a new study ... full story

Nuts May Help Lower Teenagers' Risk of Metabolic Syndrome

Mar. 5, 2015 — Modest consumption of nuts every day is associated with an improved cardiovascular risk profile among adolescents, a new analysis of a large national database ... full story

Ancient Mongol Metallurgy an Extreme Polluter

Mar. 6, 2015 — The ancient Mongols have a reputation for having been fierce warriors. A new study shows them to have been unmatched polluters. Researchers found that lead pollution in Lake Erhai peaked at 119 ... full story

How Rain Is Dependent on Soil Moisture

Mar. 6, 2015 — It rains in summer most frequently when the ground holds a lot of moisture. However, precipitation is most likely to fall in regions where the soil is comparatively dry. This is the conclusion ... full story

Novel Mechanism to Explain High Elevation of Denver Area

Mar. 6, 2015 — Researchers have proposed a new way to explain how the High Plains got so high. Water trapped deep below Earth's crust may have flooded the lower crust, creating buoyancy and ... full story

Elusive El Niρo Arrives: Forecasters Predict It Will Stay Weak, Have Little Influence on Weather and Climate

Mar. 5, 2015 — The long-anticipated El Niρo has finally arrived, according to forecasters with NOAA's Climate Prediction Center. In their updated monthly outlook released today, forecasters issued an El Niρo ... 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

'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

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

The Tides They Are a Changin'

Mar. 5, 2015 — Scientists have found that ocean tides have changed significantly over the last century at many coastal locations around the world. Increases in high tide levels and the tidal range were found to ... full story

Karnak: Excavation Yields 38 Artifacts

Mar. 6, 2015 — The excavation of a favissa, a pit discovered in early December 2014 near the temple of the god Ptah, has been completed. The dig has unearthed 38 statues, statuettes and precious objects, making ... full story

The Unlikeliest of Pals? An Indian Soldier Alone Among Yorkshiremen

Mar. 5, 2015 — A shattered pair of spectacles in an Indian museum has helped shed light on the fascinating story of a lone non-white soldier among Yorkshire volunteers fighting on the Western ... 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

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 highlighted in ... 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

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

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

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

jump to:    Health  |  Tech  |  Enviro  |  Society

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

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

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

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

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

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

Women in Business

Mar. 3, 2015 — A sociologist traces systemic bias in favor of male-led businesses to stereotypical beliefs about entrepreneurs. The author didn't doubt that women are at a disadvantage when it comes to establishing ... 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

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

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

Search ScienceDaily

Number of stories in archives: 140,361

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

Save/Print:
Share:  

Breaking News:

Share This

via email and social networks

from the past week

Strange & Offbeat Stories

 

Human Quirks

Bizarre Things

Odd Creatures

from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News

About This Site

 

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

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

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

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



Save/Print:
Share:  

Free Subscriptions


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

Get Social & Mobile


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

Have Feedback?


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