Today's Science News

Saturday, November 1, 2014

Featured Research

from universities, journals, and other organizations

Universe May Face a Darker Future: Is Dark Matter Swallowing Up Dark Energy?

Oct. 31, 2014 — New research offers a novel insight into the nature of dark matter and dark energy and what the future of our Universe might be. Scientists have found hints that dark matter, the cosmic scaffolding ... full story

Oceans Arrived Early to Earth; Primitive Meteorites Were a Likely Source of Water, Study Finds

Oct. 30, 2014 — Earth is known as the Blue Planet because of its oceans, which cover more than 70 percent of the planet's surface and are home to the world's greatest diversity of life. While water is ... full story

Seeing Dinosaur Feathers in a New Light

Oct. 30, 2014 — Why were dinosaurs covered in a cloak of feathers long before the early bird species Archaeopteryx first attempted flight? Researchers postulate that these ancient reptiles had a highly developed ... full story

Scientists Propose Existence and Interaction of Parallel Worlds: Many Interacting Worlds Theory Challenges Foundations of Quantum Science

Oct. 30, 2014 — Academics are challenging the foundations of quantum science with a radical new theory on parallel universes. Scientists now propose that parallel universes really exist, and that they interact. They ... full story

Planet-Forming Lifeline Discovered in a Binary Star System

Oct. 29, 2014 — Scientists have detected a streamer of dust and gas flowing from a massive outer disk toward the inner reaches of a binary star system. This never-before-seen feature may be responsible for ... full story

Lack of Oxygen Delayed the Rise of Animals on Earth

Oct. 31, 2014 — Scientists have long speculated as to why animal species didn't flourish sooner, once sufficient oxygen covered the Earth's surface. Animals began to prosper at the end of the Proterozoic ... full story

They Know the Drill: Leading the League in Boring Through Ice Sheets

Oct. 30, 2014 — Hollow coring drills are used to extract ice cores that can analyze the past atmosphere. Scientists have now documented carbon dioxide in the atmosphere between 23,000 and 9,000 years ago, based on ... full story

Genetic Factors Behind Surviving or Dying from Ebola Shown in Mouse Study

Oct. 30, 2014 — A newly developed mouse model suggests that genetic factors are behind the mild-to-deadly range of responses to the Ebola virus. The frequency of different manifestations of the disease across the ... full story

Emerging Disease Could Wipe out American, European Salamanders

Oct. 30, 2014 — A fungal disease from Asia wiped out salamanders in parts of Europe and will likely reach the US through the international wildlife trade in Asian newts sold as pets, say US experts. Scientists ... full story

Magma Pancakes Beneath Indonesia's Lake Toba: Subsurface Sources of Mega-Eruptions

Oct. 30, 2014 — The tremendous amounts of lava that are emitted during super-eruptions accumulate over millions of years prior to the event in the Earth's crust. These reservoirs consist of magma that intrudes ... full story

Toddlers Copy Their Peers to Fit In, but Apes Don't

Oct. 30, 2014 — From the playground to the board room, people often follow, or conform, to the behavior of those around them as a way of fitting in. New research shows that this behavioral conformity appears early ... full story

Planet Discovered That Won't Stick to a Schedule

Oct. 30, 2014 — For their latest discovery, astronomers have found a low-mass, low-density planet with a punctuality problem. The new planet, called PH3c, is located 2,300 light years from Earth and has an ... full story

Sadness Lasts Longer Than Other Emotions

Oct. 30, 2014 — Why is it that you can feel sad up to 240 times longer than you do feeling ashamed, surprised, irritated or even bored? It's because sadness often goes hand in hand with events of greater impact ... full story

Why Scratching Makes You Itch More

Oct. 30, 2014 — Turns out your mom was right: scratching an itch only makes it worse. New research reveals that scratching causes the brain to release serotonin, which intensifies the itch sensation. Scientists ... full story

Hubble Sees 'Ghost Light' from Dead Galaxies

Oct. 30, 2014 — The universe is an infinite sea of galaxies, which are majestic star-cities. When galaxies group together in massive clusters, some of them can be ripped apart by the gravitational tug of other ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

World's Salamanders At Risk From Flesh-Eating Fungus

World's Salamanders At Risk From Flesh-Eating Fungus

Newsy (Oct. 31, 2014) — The import of salamanders around the globe is thought to be contributing to the spread of a deadly fungus. Video provided by Newsy
Powered by
Mind-Controlled Prosthetic Arm Restores Amputee Dexterity

Mind-Controlled Prosthetic Arm Restores Amputee Dexterity

Reuters - Innovations Video Online (Oct. 29, 2014) — A Swedish amputee who became the first person to ever receive a brain controlled prosthetic arm is able to manipulate and handle delicate objects with an unprecedented level of dexterity. The device is connected directly to his bone, nerves and muscles, giving him the ability to control it with his thoughts. Matthew Stock reports. Video provided by Reuters
Powered by
Tiny, Lab-Grown Stomachs Could Treat Stomach Diseases

Tiny, Lab-Grown Stomachs Could Treat Stomach Diseases

Newsy (Oct. 29, 2014) — The researchers grew tiny stomachs using stem cells, saying the research could lead to better treatment for ulcers and even stomach cancer. Video provided by Newsy
Powered by
Robots Get Funky on the Dance Floor

Robots Get Funky on the Dance Floor

AP (Oct. 29, 2014) — Dancing, spinning and fighting robots are showing off their agility at "Robocomp" in Krakow. (Oct. 29) Video provided by AP
Powered by

More Science News

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

Subscribe for Free

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

News by Topic

last updated on 2014-11-01 at 12:08 am EDT

jump to:    Health  |  Tech  |  Enviro  |  Society

Fun and Games Make for Better Learners

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

Decoding the Emergence of Metastatic Cancer Stem Cells

Oct. 31, 2014 — In the first study of its kind, researchers have mapped how information flows through the genetic circuits that cause cancer cells to become metastatic. The research reveals a common pattern in the ... full story

Preventing Cardiovascular Disease in Old Aortas

Oct. 31, 2014 — Researchers look for the root cause of age-related aortic stiffness — an early sign cardiovascular disease — and uncover a potential therapeutic target for reducing or preventing its development. ... full story

A Matter of Life and Death: Cell Death Proteins Key to Fighting Disease

Oct. 31, 2014 — key steps involved in programmed cell death have been uncovered by researchers, offering new targets for the treatment of diseases including lupus, cancers and neurodegenerative ... full story

Improved Mouse Model Will Accelerate Research on Potential Ebola Vaccines, Treatments

Oct. 31, 2014 — The first genetic strain of mice that can be infected with Ebola and display symptoms similar to those that humans experience has been developed by researchers. This work will significantly improve ... full story

Insomnia Increases Risk of Motor Vehicle Deaths, Other Fatal Injuries

Oct. 31, 2014 — Insomnia is a major contributor to deaths caused by motor vehicle crashes and other unintentional fatal injuries, a new study shows. The results underscore the importance of the 'Sleep Well, Be Well' ... full story

Viewing Cancer on the Move: New Device Yields Close-Up Look at Metastasis

Oct. 31, 2014 — Rngineers have invented a lab device to give cancer researchers an unprecedented microscopic look at metastasis, the complex way that tumor cells spread through the body, causing more than 90 percent ... full story

Proton Therapy Shown to Be Less Costly Than Some Alternative Radiotherapy Techniques for Early Stage Breast Cancer

Oct. 31, 2014 — In terms of duration of treatment and cost, patients with early stage breast cancer may benefit from accelerated partial breast irradiation (APBI) with proton therapy versus whole breast irradiation ... full story

Computer Game Could Help Visually Impaired Children Live Independently

Oct. 31, 2014 — A new computer game is being test that researchers hope could hold the key to helping visually-impaired children lead independent lives. Developed by a team of neuroscientists and video game ... full story

High Prevalence of Vitamin D Deficiency Across the Board in Neuromuscular Disease

Oct. 31, 2014 — More credence has been added to a growing awareness of the high prevalence of vitamin D deficiency in neuromuscular disease by newly presented research. Vitamin D supplementation has been suggested ... full story

Digital Therapist: Computer Program Analyzes Speech, Mental Health

Oct. 31, 2014 — A program that analyzes your speech and uses it to gain information about your mental health could soon be feasible, thanks in part to new research showing that certain vocal features change as ... full story

People Change Their Moral Values to Benefit Themselves Over Others

Oct. 30, 2014 — People are quick to change their moral values depending on which rule means more cash for them instead of others, a study shows. The researchers conclude that the "Pursuit of self-interest is ... full story

Novel Tinnitus Therapy Helps Patients Cope With Phantom Noise

Oct. 30, 2014 — Patients with tinnitus hear phantom noise and are sometimes so bothered by the perceived ringing in their ears, they have difficulty concentrating. A new therapy does not lessen perception of the ... full story

For Stroke Patients, Hospital Bed Position Is Delicate Balancing Act

Oct. 30, 2014 — During the first 24 hours after a stroke, attention to detail -- such as hospital bed positioning -- is critical to patient outcomes. Most strokes are caused by blood clots that block blood flow to ... full story

Fetal Alcohol Spectrum Disorders Prevalence in U.S. Revealed by Study

Oct. 30, 2014 — Nearly 5 percent of U.S. children may be affected by fetal alcohol spectrum disorders (FASD), according to a new study. FASD are a group of conditions that can occur in the children of mothers who ... full story

New Molecule Sneaks Medicines Across Blood-Brain Barrier

Oct. 30, 2014 — Delivering life-saving drugs across the blood-brain barrier (BBB) might become a little easier thanks to a new study. In the new report, scientists describe an antibody, called 'FC5,' is one-tenth ... full story

Can Parents Make Their Kids Smarter?

Oct. 30, 2014 — Reading bedtime stories, engaging in conversation and eating nightly dinners together are all positive ways in which parents interact with their children, but according to new research, none of these ... full story

Peripheral Clocks Don't Need the Brain's Master Clock to Function Correctly

Oct. 30, 2014 — New research further adds to our understanding of the circadian rhythm by suggesting that the suprachiasmaticus nucleus clock, a tiny region of the hypothalamus considered to be the body's 'master' ... full story

Breakdown in Gut Barriers to Bacteria May Promote Inflammation and Craving in Alcoholics

Oct. 30, 2014 — Bacteria in the GI tract fulfill many vital functions and are critical for digestion. Yet, these same bacteria can induce strong inflammatory responses by the immune system if they penetrate the gut ... full story

Even Mild Depressive Symptoms Result in Poorer Lumbar Spinal Stenosis Surgery Outcome

Oct. 30, 2014 — Even mild depressive symptoms can weaken the outcome of lumbar spinal stenosis surgery, according to a recent study. Patients with depressive symptoms had a weaker functional capacity post-surgery ... full story

Researchers Probe Link Between Newborn Health, Vitamin A

Oct. 30, 2014 — The impact vitamin A has on newborns is virtually unknown, but nutrition researchers have published two papers that may provide a framework for future investigations of the vitamin and neonatal ... full story

Mediterranean Diet May Help Protect Kidney Health

Oct. 30, 2014 — Every one-point increase in a Mediterranean diet score was associated with a 17% decreased likelihood of developing chronic kidney disease, a study concludes. Dietary patterns that closely resembled ... full story

What Do American Babies Eat? A Lot Depends on Mom's Socioeconomic Background

Oct. 30, 2014 — Dietary patterns of babies vary according to the racial, ethnic and educational backgrounds of their mothers, pediatrics researchers have found. For example, babies whose diet included more ... full story

Could Daylight Saving Time Be a Risk to Diabetics?

Oct. 30, 2014 — Many will turn back the hands of time as part of the twice-annual ritual of daylight saving time. That means remembering to change the alarm clock next to the bed, which means an extra hour of sleep ... full story

Size Matters: Baby's Size at Birth May Predict Risk for Disease Later in Life

Oct. 30, 2014 — Being overweight might be better in the long term than being underweight, at least when it comes to infants. "These findings support the hypothesis that common long-term variation in the activity of ... full story

BPA Exposure by Infants May Increase Later Risk of Food Intolerance

Oct. 30, 2014 — Scientists show, for the first time, that there is a link between perinatal exposure to Bisphenol A (BPA) at low doses and the risk to develop food intolerance in later life. "We may look back one ... full story

Device Developed for Running Shoes That Prevents Injuries

Oct. 30, 2014 — A prototype running shoe has been designed with an integrated device that improves training management and prevents injuries. The device consists of a microelectronic measuring system capable of ... full story

Availability of Tanning Beds On, Near College Campuses

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

Expectant Mothers With Epilepsy Face Tough Choices Over Their Medication

Oct. 29, 2014 — A new study highlights the difficult decisions women with epilepsy have to face when they become pregnant. Taking certain drugs used to control epilepsy during pregnancy may be linked to ... full story

Innovative Study Utilizing Video Games Shows Sleep Apnea May Affect Memory of Everyday Events

Oct. 29, 2014 — Sleep apnea may affect your ability to form new spatial memories, such as remembering where you parked your car, new research suggests. The study demonstrates through the playing of a specific video ... full story

jump to:    Health  |  Tech  |  Enviro  |  Society

Doubt Cast Over Air Pollution Link Between Childhood Leukemia, Power Lines

Oct. 30, 2014 — Researchers from the UK have called into question a theory suggesting that a previously reported risk of leukemia among children born close to overhead power lines could be caused by an alteration to ... full story

Lord of the Microrings: Breakthrough in Microring Laser Cavities Reported

Oct. 30, 2014 — Researchers report a significant breakthrough in laser technology with the development of a unique microring laser cavity that can produce single-mode lasing on demand. This advance holds ... full story

Biology Meets Geometry: Geometry of a Common Cellular Structure Explored

Oct. 30, 2014 — Architecture imitates life, at least when it comes to those spiral ramps in multistory parking garages. Stacked and connecting parallel levels, the ramps are replications of helical structures found ... full story

High-Intensity Sound Waves May Aid Regenerative Medicine

Oct. 30, 2014 — Researchers have developed a way to use sound to create cellular scaffolding for tissue engineering, a unique approach that could help overcome one of regenerative medicine’s significant ... full story

Making Lab-Grown Tissues Stronger

Oct. 30, 2014 — Lab-grown tissues could one day provide new treatments for injuries and damage to the joints, including articular cartilage, tendons and ligaments. Cartilage, for example, is a hard material that ... full story

Ion Adsorption Matter in Biology

Oct. 30, 2014 — Biological membranes are mainly composed of lipid bilayers. Gaining a better understanding of adsorption of solution ions onto lipid membranes helps clarify functional processes in biological cells. ... full story

'Nanomotor Lithography' Answers Call for Affordable, Simpler Device Manufacturing

Oct. 30, 2014 — What does it take to fabricate electronic and medical devices tinier than a fraction of a human hair? Nanoengineers recently invented a new method of lithography in which nanoscale robots swim over ... full story

High Air Pollution Levels Near Unconventional Oil and Gas Production Sites

Oct. 30, 2014 — Research suggests air pollutants released by unconventional oil and gas production are well over recommended levels in the US. High levels of benzene, hydrogen sulfide and formaldehyde were found. ... full story

Could Copper Prevent Spread of Ebola?

Oct. 30, 2014 — Copper could help to prevent the spread of Ebola, researchers have found. While hand washing, disinfectants and quarantine procedures alone have been found to be insufficient to contain the spread of ... full story

Physicists Pave the Way for Quantum Interfaces

Oct. 30, 2014 — Researchers have controlled interplay of light and matter at the level of individual photons emitted by ... full story

When Did Galaxies Settle Down?

Oct. 30, 2014 — Astronomers have long sought to understand exactly how the universe evolved from its earliest history to the cosmos we see around us in the present day. In particular, the way that galaxies form and ... full story

NASA’s Wallops Flight Facility Completes Initial Assessment After Orbital Launch Mishap

Oct. 29, 2014 — The Wallops Incident Response Team completed today an initial assessment of Wallops Island, Virginia, following the catastrophic failure of Orbital Science Corp.'s Antares rocket shortly after ... full story

Supersonic Laser-Propelled Rockets: Hybrid Approach May Help Power Rockets, Launch Satellites, Push Future Aircraft Past Mach 10

Oct. 29, 2014 — Researchers have described a new system that integrates a laser-ablation propulsion system with the gas blasting nozzles of a spacecraft which can increase the speed of the gas flow out of the system ... full story

Moon Mission: Images of LADEE's Impact Crater Captured

Oct. 28, 2014 — NASA's Lunar Reconnaissance Orbiter spacecraft has spied a new crater on the lunar surface; one made from the impact of NASA's Lunar Atmosphere and Dust Environment Explorer ... full story

Laser Experiments Mimic Cosmic Explosions and Planetary Cores

Oct. 28, 2014 — Researchers are finding ways to understand some of the mysteries of space without leaving earth. Using high-intensity lasers focused on targets smaller than a pencil's eraser, they conducted ... full story

Physicists Closer to Understanding Balance of Matter, Antimatter in Universe

Oct. 27, 2014 — Physicists have made important discoveries regarding Bs meson particles -- something that may explain why the Universe contains more matter than ... full story

Tremendously Bright Pulsar May Be One of Many

Oct. 27, 2014 — A newly found pulsar, the brightest ever seen, raises questions about a mysterious category of cosmic objects called ultraluminous X-ray sources. A member of the team that announced the discovery now ... full story

Zero Gravity Experiments on the International Space Station Shed Some Light on Thermodiffusion Effects

Oct. 27, 2014 — Thermodiffusion, also called the Soret effect, is a mechanism by which an imposed temperature difference establishes a concentration difference within a mixture. Two studies now provide a better ... full story

Astronomers Image the Exploding Fireball Stage of a Nova

Oct. 26, 2014 — Astronomers have observed the expanding thermonuclear fireball from a nova that erupted last year in the constellation Delphinus with unprecedented ... full story

Hinode Satellite Captures X-Ray Footage of Solar Eclipse

Oct. 25, 2014 — The moon passed between the Earth and the sun on Thursday, Oct. 23. While avid stargazers in North America looked up to watch the spectacle, the best vantage point was several hundred miles above the ... full story

Harnessing Error-Prone Chips: New System Would Allow Programmers to Easily Trade Computational Accuracy for Energy Savings

Oct. 30, 2014 — As transistors get smaller, they also grow less reliable. Increasing their operating voltage can help, but that means a corresponding increase in power consumption. With information technology ... full story

Adapative 'Nowcasting' Key to Accurate Flu Data Trends Using Google Search Terms

Oct. 30, 2014 — Google search data really can provide a more accurate real time picture of current flu infections, researchers have found. Official reports of influenza infection rates are produced with a delay of ... full story

Model Explains Why HIV Prevention Dosing Differs by Sex

Oct. 30, 2014 — A mathematical model predicts that women must take the antiretroviral medication Truvada daily to prevent HIV infection via vaginal sex, whereas just two doses per week can protect men from HIV ... full story

Game Technology Can Make Emergency Robots Easier to Control

Oct. 30, 2014 — A method borrowed from video gaming can make remote-controlled emergency response robots easier to use -- enabling the operator to focus more on the dangerous situations they ... full story

Projecting a Robot's Intentions: New Spin on Virtual Reality Helps Engineers Read Robots' Minds

Oct. 29, 2014 — In a darkened, hangar-like space inside MIT's Building 41, a small, Roomba-like robot is trying to make up its mind. Standing in its path is an obstacle — a human pedestrian who’s pacing back and ... full story

Can Social Media Help Stop the Spread of HIV?

Oct. 29, 2014 — In addition to providing other potential benefits to public health, all of those tweets and Facebook posts could help curb the spread of HIV. Although public health researchers have focused early ... full story

Saving Lots of Computing Capacity With a New Algorithm

Oct. 29, 2014 — The control of modern infrastructure such as intelligent power grids needs lots of computing capacity. Scientists have developed an algorithm that might revolutionize these processes. With their new ... full story

5G Networks: Futuristic Communications for Today's Users

Oct. 29, 2014 — Devices that learn from our habits and help us to “think better”, connect us to a friend just by thinking about them, or ensure continuing medical monitoring, will be a reality in 2020, thanks to ... full story

Modeling Cancer: Researchers Prove Models Can Predict Cellular Processes

Oct. 28, 2014 — Mathematical models to predict the dynamics of cell transitions have been developed by researchers who compared their results with actual measurements of activity in cell populations. The results ... full story

Identifying 'Stance Taking' Cues to Enable Sophisticated Voice Recognition

Oct. 28, 2014 — In the future, computers may be capable of talking to us during meetings just like a remote teleconference participant. But to help move this science-fiction-sounding goal a step closer to reality, ... full story

jump to:    Health  |  Tech  |  Enviro  |  Society

Cell Division, Minus the Cells

Oct. 31, 2014 — Researchers have reconstituted cell division -- complete with signals that direct molecular traffic -- without the cell. Combining frog-egg extracts with lipid membranes that mimic the membrane of ... full story

Green Spaces Don't Ensure Biodiversity in Urban Areas

Oct. 31, 2014 — Green spaces in cities are great, but they don't ensure biodiversity, according to biologists. The team found insect abundance was lacking in two common urban trees, suggesting insect movement may be ... full story

Divide and Rule: Raven Politics

Oct. 31, 2014 — Mythology has attributed many supernatural features to ravens. Studies on the cognitive abilities of ravens have indeed revealed that they are exceptionally intelligent. Ravens live in complex social ... full story

New Step Towards Eradication of H5N1 Bird Flu

Oct. 31, 2014 — A new test has been developed that can distinguish between birds that have been vaccinated against the H5N1 strain of avian influenza virus or 'bird flu' with those that have been naturally ... full story

Researchers Treat Canine Cancer, Likely to Advance Human Health

Oct. 30, 2014 — A research team is working to better understand cancer in dogs, and the work also could advance knowledge of human cancer. Their investigation began with only a tiny blood platelet, but quickly they ... full story

'Himalayan Viagra' Fuels Caterpillar Fungus Gold Rush

Oct. 30, 2014 — Overwhelmed by speculators trying to cash-in on a prized medicinal fungus known as Himalayan Viagra, two isolated Tibetan communities have managed to do at the local level what world leaders often ... full story

Bats Will Hang out With Their Friends This Halloween

Oct. 30, 2014 — New research has shown that despite moving house frequently, bats choose to roost with the same social groups of 'friends.' The study found that different social groups roost in separate, though ... full story

Hygienic Funerals, Better Protection for Health Workers Offer Best Chance to Stop Ebola

Oct. 30, 2014 — Hygienic funeral practices, case isolation, contact tracing with quarantines, and better protection for health care workers are the keys to stopping the Ebola epidemic that continues to expand in ... full story

Science Casts Light on Sex in the Orchard

Oct. 30, 2014 — Persimmons are among the small club of plants with separate sexes -- individual trees are either male or female. Now scientists have discovered how sex is determined in a species of persimmon, ... full story

Scientists Capture Picture of 'microRNA' in Action

Oct. 30, 2014 — Biologists have described the atomic-level workings of “microRNA” molecules, which control the expression of genes in all animals and plants. The findings add greatly to the understanding of a ... full story

Restoring Wetlands Can Lessen Soil Sinkage, Greenhouse Gas Emissions, Study Finds

Oct. 30, 2014 — Restoring wetlands can help reduce or reverse soil subsidence and reduce greenhouse gas emissions, according to research in California's Sacramento-San Joaquin River Delta. The study is one of the ... full story

Saving Lonely Species Is Important for Environment

Oct. 30, 2014 — Endemic eucalyptus in Tasmania has been the focus of recent study. Researchers discovered that these rare species have developed unique characteristics to survive, and that these characteristics may ... full story

Female Frogs Modify Offspring Development Depending on Reproduction Date

Oct. 30, 2014 — Global warming is altering the reproduction of plants and animals, notably accelerating the date when reproduction and other life processes occur. A new study has discovered that some amphibians are ... full story

Reef-Builders With a Sense of Harmony

Oct. 30, 2014 — Cold-water corals of the species Lophelia pertusa are able to fuse skeletons of genetically distinct individuals. Scientists have made the first-ever discovery of branches of different colors that ... full story

Urban Seismic Network Detects Human Sounds

Oct. 29, 2014 — When listening to the Earth, what clues can seismic data reveal about the impact of urban life? Although naturally occurring vibrations have proven useful to seismologists, until now the vibrations ... full story

Plump Turtles Swim Better: First Models of Swimming Animals

Oct. 29, 2014 — Bigger is better, if you're a leatherback sea turtle. For the first time, researchers have measured the forces that act on a swimming animal and the energy the animal must expend to move through the ... full story

Ammonium Source in Open Ocean Tracked by Researchers

Oct. 29, 2014 — To understand the extent to which human activities are polluting Earth's atmosphere and oceans, it's important to distinguish human-made pollutants from compounds that occur naturally. A new study ... full story

Teeth, Sex and Testosterone Reveal Secrets of Aging in Wild Mouse Lemurs

Oct. 29, 2014 — Mouse lemurs can live at least eight years in the wild -- twice as long as some previous estimates, a long-term longitudinal study ... full story

Three Abrupt Pulses of Carbon Dioxide During Last Deglaciation, Study Shows

Oct. 29, 2014 — The rise of atmospheric carbon dioxide that contributed to the end of the last ice age more than 10,000 years ago did not occur gradually, but was characterized by three 'pulses' in which carbon ... full story

New Frog Discovered Inhabiting I-95 Corridor from Connecticut to North Carolina

Oct. 29, 2014 — More than a half century after claims that a new frog species existed in New York and New Jersey were dismissed, a team of scientists has proven that the frog is living in wetlands from Connecticut ... full story

Running Robots of Future May Learn from World's Best Two-Legged Runners: Birds

Oct. 29, 2014 — With an eye toward making better running robots, researchers have made surprising new findings about some of nature's most energy efficient bipeds -- running birds. Their skills may have evolved from ... full story

Scientists Make Enzyme That Could Help Explain Origins of Life

Oct. 29, 2014 — Mimicking natural evolution in a test tube, scientists have devised an enzyme with a unique property that might have been crucial to the origin of life on ... full story

Evolution of Competitiveness: Scientists Explain Diversity in Competitiveness

Oct. 29, 2014 — Virtually all organisms in the living world compete with members of their own species. However, individuals differ strongly in how much they invest into their competitive ability. Some individuals ... full story

DNA Sequences Used to Look Back in Time at Key Events in Plant Evolution

Oct. 28, 2014 — Scientists have revealed important details about key transitions in the evolution of plant life on our planet. From strange and exotic algae, mosses, ferns, trees and flowers growing deep in steamy ... full story

Ancient Auditory Illusions Reflected in Prehistoric Art?

Oct. 28, 2014 — Some of humankind's earliest and most mysterious artistic achievements -- including prehistoric cave paintings, canyon petroglyphs and megalithic structures such as Stonehenge -- may have been ... full story

How Did Complex Life Evolve? The Answer Could Be Inside out

Oct. 28, 2014 — A new idea about the origin of complex life turns current theories inside out. Scientists explain their 'inside-out' theory of how eukaryotic cells, which all multicellular life -- including us -- ... full story

How Culture Influences Violence Among the Amazon's ‘fierce People'

Oct. 27, 2014 — When Yanomamφ men in the Amazon raided villages and killed decades ago, they formed alliances with men in other villages rather than just with close kin like chimpanzees do. And the spoils of war ... full story

Emergent Behavior Lets Bubbles 'Sense' Environment

Oct. 27, 2014 — Tiny, soapy bubbles can reorganize their membranes to let material flow in and out in response to the surrounding environment, according to researchers. This behavior could be exploited in creating ... full story

Ebola's Evolutionary Roots More Ancient Than Previously Thought

Oct. 24, 2014 — A new study is helping to rewrite Ebola’s family history. It shows that Ebola and Marburg are each members of ancient evolutionary lines, and that these two viruses last shared a common ancestor ... full story

How Ferns Adapted to One of Earth's Newest and Most Extreme Environments

Oct. 23, 2014 — Ferns are believed to be 'old' plant species -- some of them lived alongside the dinosaurs, over 200 million years ago. However, a group of Andean ferns evolved much more recently: their completely ... full story

jump to:    Health  |  Tech  |  Enviro  |  Society

The Science of Charismatic Voices: How One Man Was Viewed as Authoritarian, Then Benevolent

Oct. 29, 2014 — When a right-wing Italian politician named Umberto Bossi suffered a severe stroke in 2004, his speech became permanently impaired. Strangely, this change impacted Bossi’s perception among his ... full story

Walking Workstations Improve Physical, Mental Health, Builds Healthier Workplace

Oct. 29, 2014 — Walking workstations can improve not only physical, but also mental health during the workday, a new study has found. With growing concerns regarding obesity in the United States, the author hopes ... full story

Microrockets Fueled by Water Neutralize Chemical and Biological Warfare Agents

Oct. 29, 2014 — With fears growing over chemical and biological weapons falling into the wrong hands, scientists are developing microrockets to fight back against these dangerous agents, should the need arise. They ... full story

Largest Ever Dataset of Individual Deaths in Africa, SE Asia Reveals Changing Health

Oct. 29, 2014 — An unprecedented insight into the changing health of people across Africa and Asia -- including the fluctuating burdens of HIV, malaria and childhood mortality -- is revealed today by the publication ... full story

Liberal or Conservative? Reactions to Disgust Are a Dead Giveaway

Oct. 29, 2014 — The way a person's brain responds to a single disgusting image is enough to reliably predict whether he or she identifies politically as liberal or conservative. As we approach Election Day, the ... full story

Cinema-Like Environment Helps Audiences Become Immersed in Movies Even When Shown on Cell Phones

Oct. 29, 2014 — If the surroundings are designed to be sufficiently stimulating, even a simple computer screen is enough to generate an intense cinematic experience. After observing some 300 study subjects, ... full story

Nestling Birds Struggle in Noisy Environments

Oct. 29, 2014 — Unable to fly, nestling birds depend on their parents for both food and protection: vocal communication between parents and offspring helps young birds to determine when they should beg for food and ... full story

Politics Can Interact With Evolution to Shape Human Destiny

Oct. 28, 2014 — Politics can have unintentional evolutionary consequences that may cause hastily issued policies to cascade into global, multigenerational problems, according to political ... full story

Global Infection Outbreaks, Unique Diseases Rising Since 1980

Oct. 28, 2014 — Ebola has a lot of company. In a novel database now made publicly available, researchers found that since 1980 the world has seen an increasing number of infectious disease outbreaks from an ... full story

Sensors Used to Monitor Dangerous Hits on Football Field

Oct. 28, 2014 — In football, a tackle can supply 100 G’s of force or more, well above the amount that can cause a concussion and more than 10 times the force of an F-16 jet roll maneuver. Now, researchers are ... full story

Resetting the Circadian Clock: Shift Workers Might Want to Skip High-Iron Foods at Night

Oct. 21, 2014 — Workers punching in for the graveyard shift may be better off not eating high-iron foods at night so they don’t disrupt the circadian clock in their livers. "Iron is like the dial that sets the ... full story

Recognizing Emotion in Text :-S the Business Benefits :-)

Oct. 21, 2014 — Researchers have advanced the field of affective computing -- the creation of computer systems that recognize, express and process human emotions -- by proposing a new way to recognize emotion in ... full story

Helping Outdoor Workers Reduce Skin Cancer Risk

Oct. 14, 2014 — Skin cancer is one of the biggest fears for one in two outdoor workers, and when the boss and staff work together the sun safe message gets through, a study has ... full story

Scientists Identify Method of Eradicating Harmful Impacts from Manufacturing Process

Oct. 8, 2014 — A novel technique for applying high-quality finishes in engineering industries could reduce the human and environmental impact by up to 98 percent, scientists ... full story

Private Telephone Conversations: Dynamic Encryption Keeps Secrets

Oct. 7, 2014 — Scientists have invented a new way to encrypt telephone conversations that makes it very difficult to ‘eavesdrop’. The invention can help to curb industrial ... full story

What Makes a Song Sing? Backup Singers

Sep. 29, 2014 — What made Michael Jackson’s “Billie Jean” a No. 1 hit on Billboard’s Hot 100 in 1983, and other songs, like Madonna’s 1999 “Nothing Really Matters,” flounder at 90 or below? New ... full story

Job Loss Fears May Boost First-Time Asthma Risk

Sep. 22, 2014 — Job loss fears may boost the risk of developing asthma for the first time, indicates research. The findings back up other epidemiological studies pointing to a link between the development of asthma ... full story

Burnout Caused by More Than Just Job Stress

Sep. 16, 2014 — Impossible deadlines, demanding bosses, abusive colleagues, unpaid overtime: all factors that can lead to a burnout. But when it comes to mental health in the workplace, the influence of home life ... full story

Gray Matter Matters When Measuring Risk Tolerance: May Explain Why Risk Tolerance Decreases With Age

Sep. 12, 2014 — The gray matter volume of a region in the right posterior parietal cortex is significantly predictive of individual risk attitudes, new research has found. Using a whole-brain analysis, scientists ... full story

Illegal Land Clearing for Commercial Agriculture Responsible for Half of Tropical Deforestation

Sep. 10, 2014 — A comprehensive new analysis says that nearly half of all recent tropical deforestation is the result of illegal clearing for commercial agriculture. The study also finds that the majority of this ... full story

Bullying in Schools Still Prevalent, American National Report Finds

Oct. 23, 2014 — Despite a dramatic increase in public awareness and anti-bullying legislation nationwide, the prevalence of bullying is still one of the most pressing issues facing our nation's youth, according to a ... full story

Two Days Later: Adolescents' Conflicts With Family Spill Over to School, Vice Versa

Oct. 23, 2014 — Family conflict and problems at school tend to occur together on the same day. A new study has found that these problems spill over in both directions for up to two days after. The study found that ... full story

Research Highlights Extent, Effects of School Violence in U.S.

Oct. 21, 2014 — Six percent of U.S. children and youth missed a day of school over the course of a year because they were the victim of violence or abuse at school. "This study really highlights the way school ... full story

Mental Rest and Reflection Boost Learning, Study Suggests

Oct. 20, 2014 — A new study, which may have implications for approaches to education, finds that brain mechanisms engaged when people allow their minds to rest and reflect on things they've learned before may boost ... full story

Myth-Conceptions: How Myths About the Brain Are Hampering Teaching

Oct. 16, 2014 — Myths about the brain are common among teachers worldwide and are hampering teaching, according to new research. The report highlights several areas where new findings from neuroscience are becoming ... full story

More Physical Activity Improved School Performance in Swedish Study

Oct. 14, 2014 — Just two hours of extra physical activity each week can improve school performance, researchers report. This has been shown by a study of approximately 2,000 ... full story

Trying to Fool a Kindergartner? Not So Fast

Oct. 8, 2014 — A new study shows that by the age of five, children become wary of information provided by people who make overly confident ... full story

Why Is Educational Achievement Heritable?

Oct. 6, 2014 — The high heritability of exam grades reflects many genetically influenced traits such as personality, behavior problems, and self-efficacy and not just intelligence. The study looked at 13,306 twins ... full story

Kids' Oral Language Skills Can Predict Future Writing Difficulties

Oct. 6, 2014 — Children's future writing difficulties can be identified before they even learn how to begin writing, according to a new study. The research data also contradicts the popular belief that bilingualism ... full story

How Curiosity Changes the Brain to Enhance Learning

Oct. 2, 2014 — The more curious we are about a topic, the easier it is to learn information about that topic. New research provides insights into what happens in our brains when curiosity is piqued. The findings ... 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.


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

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.


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