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South Africa's New Radio Telescope Reveals Giant Outbursts from Binary Star System
An international team of astronomers have reported the first scientific results from the Karoo Array Telescope (KAT-7) in South ...full story -
Agriculture in China Predates Domesticated Rice: Discovery of Ancient Diet Shatters Conventional Ideas of How Agriculture Emerged
Archaeologists have made a discovery in southern subtropical China which could revolutionize thinking about how ancient humans lived in the region. They have uncovered evidence for the ...full story -
World's Smallest Liquid Droplets Ever Made in the Lab, Experiment Suggests
Physicists may have created the smallest drops of liquid ever made in the lab. That possibility has been raised by the results of a recent experiment at the Large Hadron Collider, the ...full story -
Bach to the Blues, Our Emotions Match Music to Colors
Whether we're listening to Bach or the blues, our brains are wired to make music-color connections depending on how the melodies make us feel, according to new research. For instance, ...full story -
Artificial Forest for Solar Water-Splitting: First Fully Integrated Artificial Photosynthesis Nanosystem
Researchers have created the first fully integrated artificial photosynthesis nanosystem. While "artificial leaf" is the popular term for such a system, the key to this success was an ...full story -
World's Melting Glaciers Making Large Contribution to Sea Rise
While 99 percent of Earth's land ice is locked up in the Greenland and Antarctic ice sheets, the remaining ice in the world's glaciers contributed just as much to sea rise as the two ice ...full story -
Beautiful 'Flowers' Self-Assemble in a Beaker
With the hand of nature trained on a beaker of chemical fluid, the most delicate flower structures have been formed in a laboratory -- and not at the scale of inches, but microns. These ...full story -
Fast and Painless Way to Better Mental Arithmetic? Yes, There Might Actually Be a Way
In the future, if you want to improve your ability to manipulate numbers in your head, you might just plug yourself in. So say researchers who report on studies of a harmless form of brain ...full story -
Weather on the Outer Planets Only Goes So Deep
What is the long-range weather forecast for the giant planets Uranus and Neptune? These planets are home to extreme winds blowing at speeds of over 1000 km/hour, hurricane-like storms as ...full story -
Engineers Monitor Heart Health Using Paper-Thin Flexible 'Skin'
Engineers combine layers of flexible materials into pressure sensors to create a wearable heart monitor thinner than a dollar bill. The skin-like device could one day provide doctors with a ...full story
- Giant Outbursts from Binary Star System
- Agriculture in China Predates Domesticated Rice
- World's Smallest Liquid Droplets Made In Lab
- Our Emotions Match Music to Colors
- Artificial Forest for Solar Water-Splitting
- Melting Glaciers: Large Contribution to Sea Rise
- Beautiful 'Flowers' Self-Assemble in a Beaker
- Better Mental Math With Brain Stimulation
- Weather On Outer Planets Only Goes So Deep
- Paper-Thin Flexible 'Skin' Monitors Heart Health
Paleontology: The Eloquence of Otoliths Seen in a 23-Million-Year-Old Fish Fossil
Fish fossils that are about 23
million years old give
unprecedented insight into the
evolutionary history of the
gobioid order, one of the most
species-rich groups among the
... > full story
- more on:
Work-Related Stress Linked to Increased Blood Fat Levels, Cardiovascular Health Risks
New results link job stress to
dyslipidemia, a disorder that
alters the levels of lipids and
lipoproteins in the blood. An
altered lipid profile is dangerous
for the heart. ... > full story
- more on:
Crickets' Calling Song Hits the High Notes
Research has detailed how acoustic
communication has evolved within a
unique species of cricket which
exploits extremely high frequency
harmonics to interact. ... > full story
- more on:
Vicious Cycle: Obesity Sustained by Changes in Brain Biochemistry
Scientists have shown that in the
brain cells of rats, obesity
impedes the production of a
hormone that curbs appetite and
inspires calorie burning. The root
cause appears to be a breakdown in
the protein-processing mechanism
... > full story
- more on:
Spiders: Capturing Prey in Silken Netting and Sticky Hairs
The great ecological success of
spiders is often substantiated by
the evolution of silk and webs.
Biologists have now found an
alternative adaptation to hunting
prey: hairy adhesive pads, so
called scopulae. ... > full story
- more on:
X-Ray Tomography of Living Frog Embryo
Classical X-ray radiographs
provide information about
internal, absorptive structures of
organisms such as bones.
Alternatively, X-rays can also
image soft tissues throughout
early embryonic development of
vertebrates. Related to this, a
... > full story
- more on:
Stacking 2-D Materials Produces Surprising Results
New experiments reveal previously
unseen effects, could lead to new
kinds of electronics and optical
devices. ... > full story
- more on:
New Method Proposed for Detecting Gravitational Waves from Ends of Universe
A new window into the nature of
the universe may be possible with
a device proposed by scientists
that would detect elusive gravity
waves from the other end of the
cosmos. ... > full story
- more on:
World's Biggest Ice Sheets Likely More Stable Than Previously Believed
A new study suggests that the
previous connections scientists
made between ancient shoreline
height and ice volumes are
erroneous and that perhaps our ice
sheets were more stable in the
past than we originally thought.
... > full story
- more on:
Asian Lady Beetles Use Biological Weapons Against Their European Relatives
Once introduced for biological
pest control, Asian lady beetle
populations have been increasing
uncontrollably. Scientists have
now found the reason for the
animal's success. Its body fluid
contains microsporidia,
... > full story
- more on:
DNA-Guided Assembly Yields Novel Ribbon-Like Nanostructures
DNA "linker" strands coax
nano-sized rods to line up in way
unlike any other spontaneous
arrangement of rod-shaped objects.
The arrangement -- with the rods
forming "rungs" on ladder-like
ribbons -- could result in the
... > full story
- more on:
Invasive 'Crazy Ants' Are Displacing Fire Ants in Areas Throughout Southeastern U.S.
Invasive "crazy ants" are
displacing fire ants in areas
across the southeastern United
States, according to researchers
at The University of Texas at
Austin. It's the latest in a
... > full story
- more on:
- Paleontology: 23-Million-Year-Old Fish Fossil
- Stress at Work Increases Cardiovascular Risks
- Crickets' Calling Song Hits the High Notes
- Obesity Sustained by Changes in Brain Biochemistry
- Spiders: Silken Netting and Sticky Hairs
- X-Ray Tomography of Living Frog Embryo
- Stacking 2-D Materials: Surprising Results
- Gravitational Waves from Ends of Universe
- World's Biggest Ice Sheets More Stable
- Asian lady beetles use biological weapons against their European relatives
- DNA-Guided Assembly of Nanostructures
- Invasive 'Crazy Ants' Are Displacing Fire Ants
- more top science stories
Top Medical News
New Malaria Test Kit Gives a Boost to Elimination Efforts Worldwide
A new, highly sensitive blood test that quickly detects even the lowest levels of malaria parasites in the body could make a dramatic difference in efforts to tackle the ... > full story
- Body Mass Index of Low Income African-Americans Linked to Proximity of Fast Food Restaurants
- Target to Prevent Hardening of Arteries Identified
- Depression Linked to Almost Doubled Stroke Risk in Middle-Aged Women
- Massachusetts' Health Care Reform Didn't Raise Hospital Use, Costs
- more top health stories
Top Technology News
Nine-Year-Old Mars Rover Passes 40-Year-Old Record
While Apollo 17 astronauts Eugene Cernan and Harrison Schmitt visited Earth's moon for three days in December 1972, they drove their mission's Lunar Roving Vehicle 19.3 nautical miles (22.210 statute miles or 35.744 kilometers). That was the ... > full story
Top Environment News
Genome Sequence of Tibetan Antelope Sheds New Light on High-Altitude Adaptation
How can the Tibetan antelope live at elevations of 4,000-5,000m on the Qinghai-Tibetan Plateau? Investigators now provide evidence of genetic factors that may be associated with the species' adaption to harsh highland ... > full story
- New Era of Fisheries Policy Needed to Secure Nutrition for Millions
- Reading the Unreadable: 'Unopenable' Scrolls Will Yield Their Secrets to New X-Ray System
- Climate Change May Have Little Impact on Tropical Lizards: Study Contradicts Predictions of Widespread Extinction
- GPS Solution Provides Three-Minute Tsunami Alerts
- more top environment stories
More Science Headlines
Updated 2 hours 45 minutes ago | Next update in 15 minutes
8 am EDT Edition
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8 am EDT
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Endothelium, Heal Thyself
May 16, 2013 — Investigators publish new findings showing that the endothelium's efficient barrier function relies on an enormous self-restorative ... > full story -
High-Testosterone Competitors More Likely to Choose Red
May 16, 2013 — Why do so many sports players and athletes choose to wear the color red when they compete? A new study suggests that it may have to do with their testosterone ... > full story -
Students' Diet and Physical Activity Improve With Parent Communications
May 16, 2013 — College students eat more fruits and vegetables and exercise more on days when they communicate more with their parents, according to ... > full story -
Study Brings Greater Understanding of Tumor Growth Mechanism
May 16, 2013 — A new study has for the first time revealed how the loss of a particular tumor suppressing protein leads to the abnormal growth of tumors of the brain and nervous ... > full story -
Herpes Infections: Natural Killer Cells Activate Hematopoiesis
May 16, 2013 — Infections can trigger hematopoiesis at sites outside the bone marrow – in the liver, the spleen or the skin. Researchers now show that a specific type of immune cell facilitates such “extra medullary” formation of blood ... > full story
5 am EDT
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Posttraumatic Stress Disorder Associated With Type 2 Diabetes
May 16, 2013 — The presence of posttraumatic stress disorder is significantly associated with the development of type 2 ... > full story -
New Study Recommends Using Active Videogaming ('exergaming') to Improve Children's Health
May 17, 2013 — Levels of physical inactivity and obesity are very high in children, with fewer than 50 percent of primary school-aged boys and fewer than 28 percent of girls meeting the minimum levels of physical activity required to maintain health. Exergaming, ... > full story -
Skydiving Is Never 'Plane Sailing'
May 17, 2013 — Skydivers show the same level of physical stress before every jump whether a first-timer or experienced jumper, say ... > full story -
Diabetes; Hypertension; Heart Disease; Diseases and Conditions; Personalized Medicine; Chronic Illness;
Newer Diabetes Medications May Have Additional Cardiovascular Benefits
May 17, 2013 — A newer class of medications used to control blood sugar levels in type 2 diabetics may also improve cardiovascular ... > full story -
Expert Questions US Public Health Agency Advice on Influenza Vaccines
May 16, 2013 — The United States government public health agency, the CDC, pledges "To base all public health decisions on the highest quality scientific data, openly and objectively derived." But experts argue that in the case of influenza vaccinations and their ... > full story
2 am EDT
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Global Health Policy Fails to Address Burden of Disease on Men
May 16, 2013 — Men experience a higher burden of disease and lower life expectancy than women, but policies focusing on the health needs of men are notably absent from the strategies of global health organizations, according to ... > full story -
Physicist's Tool Has Potential for Brain Mapping
May 16, 2013 — Physicists are developing a new tool that uses low-energy near-infrared light and fiber optics for optogenetic stimulation of cells. He believes it will be a useful tool for mapping physical and functional connections in the ... > full story -
Genetic Risk for Schizophrenia Is Connected to Reduced IQ
May 16, 2013 — The relationship between the heritable risk for schizophrenia and low intelligence (IQ) has not been clear. Schizophrenia is commonly associated with cognitive impairments that may cause functional disability. Researchers have now found that ... > full story -
Pregnancy and Childbirth; Fertility; Birth Defects; Medical Imaging; Women's Health; Diseases and Conditions;
Breakthrough for IVF? Selecting the Most Promising Embryos
May 16, 2013 — A recent study on 5-day old human blastocysts shows that those with an abnormal chromosomal composition can be identified by the rate at which they have developed to blastocysts, thereby classifying the risk of genetic abnormality without a ... > full story -
Topography of Eastern Seaboard Muddles Ancient Sea Level Changes
May 16, 2013 — The distortion of the ancient shoreline and flooding surface of the US Atlantic Coastal Plain are the direct result of fluctuations in topography in the region and could have implications on understanding long-term climate change, according to a new ... > full story
11 pm EDT
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Brain Makes Call on Which Ear Is Used for Cell Phone
May 16, 2013 — If you're a left-brain thinker, chances are you use your right hand to hold your cell phone up to your right ear, according to a newly published study. The study shows a strong correlation between brain dominance and the ear used to listen to a cell ... > full story -
Gene Involved in Neurodegeneration Keeps Clock Running: Scientists Identify Another Gene Important to Morning Wake-Up Call
May 16, 2013 — Scientists have shown a gene involved in neurodegenerative disease also plays a critical role in the proper function of the circadian clock. In a study of the common fruit fly, the researchers found the gene, called Ataxin-2, keeps the clock ... > full story -
Computer Modeling; Computer Programming; Mathematics; Mathematical Modeling; Privacy Issues; Math Puzzles;
Can Math Models of Gaming Strategies Be Used to Detect Terrorism Networks?
May 16, 2013 — Mathematicians have developed a mathematical model to disrupt the flow of information in a complex real-world network, such as a terrorist organization, using minimal ... > full story -
Research Into Carbon Storage in Arctic Tundra Reveals Unexpected Insight Into Ecosystem Resiliency
May 16, 2013 — When a doctoral student and her advisor went north not long ago to study how long-term warming in the Arctic affects carbon storage, they had made certain ... > full story -
Accident and Trauma; Brain Injury; Disorders and Syndromes; Brain Tumor; Today's Healthcare; Teen Health;
Researchers Shocked by New Statistics on Head Injuries Among People Who Are Homeless
May 16, 2013 — Men who are heavy drinkers and homeless for long periods of time have 400 times the number of head injuries as the general population, according to a new study by researchers who said they were shocked by their ... > full story
8 pm EDT
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Personalized Medicine; Today's Healthcare; Diseases and Conditions; Genes; Public Health; Privacy Issues;
Returning Genetic Incidental Findings Without Patient Consent Violates Basic Rights, Experts Say
May 16, 2013 — Scientists push back against recent American College of Medical Genetics and Genomics recommendations, and offer compelling reasons why patient autonomy must remain firmly in place as science ... > full story -
Children's Health; Healthy Aging; Stroke Prevention; Pharmacology; Alzheimer's Research; Infant's Health;
Accelerated Aging in Children: Promising Treatment for Progeria Within Reach
May 16, 2013 — Pharmaceuticals that inhibit a specific enzyme may be useful in treating progeria, or accelerated aging in children. A new study indicates that the development of progeria in mice was inhibited upon reducing the production of this ... > full story -
Security Risks Found in Sensors for Heart Devices, Consumer Electronics
May 16, 2013 — The type of sensors that pick up the rhythm of a beating heart in implanted cardiac defibrillators and pacemakers are vulnerable to tampering, according to a new study conducted in controlled laboratory ... > full story -
Fishing for Memories: How Long-Term Memories Are Processed to Guide Behavior
May 16, 2013 — In our interaction with our environment we constantly refer to past experiences stored as memories to guide behavioral decisions. But how memories are formed, stored and then retrieved to assist decision-making remains a mystery. By observing ... > full story -
Faulty Energy Production in Brain Cells Leads to Disorders Ranging from Parkinson's to Intellectual Disability
May 16, 2013 — Neuroscientists have shown for the first time that dysfunctional mitochondria in brain cells can lead to learning disabilities. The link between dysfunctional mitochondria and Parkinson's disease is known, but this new research shows that it is also ... > full story
5 pm EDT
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Low-Grade Cotton Offers More Ecologically-Friendly Way to Clean Oil Spills
May 16, 2013 — When it comes to cleaning up the next massive crude oil spill, one of the best and most eco-friendly solutions for the job may be low-grade cotton from West ... > full story -
Coral Reef Fishes Prove Invaluable in the Study of Evolutionary Ecology
May 16, 2013 — Coral reef fish species have proven invaluable for experimental testing of key concepts in social evolution and already have yielded insights about the ultimate reasons for female reproductive suppression, group living, and bidirectional sex ... > full story -
Stem-Cell-Based Strategy Boosts Immune System in Mice
May 16, 2013 — Raising hopes for cell-based therapies, researchers have created the first functioning human thymus tissue from embryonic stem cells in the laboratory. The researchers showed that, in mice, the tissue can be used to foster the development of white ... > full story -
Light Cast on Lifestyle and Diet of First New Zealanders
May 16, 2013 — Scientists have shed new light on the diet, lifestyles and movements of the first New Zealanders by analyzing isotopes from their bones and ... > full story -
Carbon in a Twirl: The Science Behind a Self-Assembled Nano-Carbon Helix
May 16, 2013 — Nanotechnology draws on the fabrication of nanostructures. Scientists have now succeeded in growing a unique carbon structure at the nanoscale that resembles a tiny twirled mustache. Their method might lead the way to the formation of more complex ... > full story
2 pm EDT
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Thermodynamics; Technology; Electronics; Materials Science; Civil Engineering; Spintronics Research;
New Insights Into How Materials Transfer Heat Could Lead to Improved Electronics
May 16, 2013 — Researchers have published new insights into how materials transfer heat, which could lead eventually to smaller, more powerful electronic ... > full story -
Moth-Inspired Nanostructures Take the Color out of Thin Films
May 16, 2013 — Inspired by the structure of moth eyes, researchers have developed nanostructures that limit reflection at the interfaces where two thin films meet, suppressing the "thin-film interference" phenomenon commonly observed in nature. This can ... > full story -
3-D Modeling Technology Offers Groundbreaking Solution for Engineers
May 16, 2013 — New software has the potential to enable engineers to make 'real world' safety assessments of structures and foundations with unprecedented ... > full story -
Mating and Breeding; Birds; Insects (including Butterflies); Veterinary Medicine; Bacteria; Behavioral Science;
Who's Your Daddy? Infidelity and Paternity in Reed Warblers
May 16, 2013 — Researchers recently carried out experiments with reed warblers to see how a situation of potential infidelity affects later paternal investment in the chicks and whether it does in fact lead to extra-pair mating. They found that the males ... > full story -
Natural 'Keystone Molecules' Punch Over Their Weight in Ecosystems
May 16, 2013 — Ecosystems are disproportionately influenced by "keystone molecules" that have powerful behavioral effects and contribute to ecosystem structure, according to a new general theory. The chemicals can each fill a variety of functions and affect ... > full story
11 am EDT
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Resistance to Visceral Leishmaniasis: New Mechanisms Involved
May 16, 2013 — Researchers have elucidated new molecular mechanisms involved in resistance to visceral leishmaniasis, a serious parasitic infection. They have shown that dectin-1 and mannose receptors participate in the protection against the parasite responsible ... > full story -
Asteroid 1998 QE2 to Sail Past Earth Is Nine Times Larger Than Cruise Ship
May 16, 2013 — On May 31, 2013, asteroid 1998 QE2 will sail serenely past Earth, getting no closer than about 3.6 million miles (5.8 million kilometers), or about 15 times the distance between Earth and the moon. And while QE2 is not of much interest to those ... > full story -
Environmental Policies; Environmental Issues; Global Warming; Climate; Resource Shortage; Environmental Policy;
Scientific Consensus on Anthropogenic Climate Change
May 15, 2013 — A comprehensive analysis of peer-reviewed articles on the topic of global warming and climate change has revealed an overwhelming consensus among scientists that recent warming is ... > full story -
First Prospective Trial Shows Molecular Profiling Timely for Tailoring Therapy
May 15, 2013 — CUSTOM is the first completed prospective clinical trial that used genetic analysis alone to assign cancer treatment for patients with one of three different cancers. Findings suggest patients, and their physicians, are eager to jump into next-era ... > full story -
Insecticides Lead to Starvation of Aquatic Organisms
May 15, 2013 — Neonicotinoid insecticides have adverse effects not only on bees but also on freshwater invertebrates. Exposure to low but constant concentrations of these substances – which are highly soluble in water – has lethal effects on these ... > full story
Health & Biomedical Sciences
Health & Medicine
Clinical Support for Patient Self-Management Is Rhetoric Rather Than Reality, Experts Say
The processes to allow people to self-manage their own illness are not being used appropriately by health professionals to the benefit of their patients, new research suggests. Self-management support aims to increase the patient's ability to take ... > full story
Mind & Brain
Repeat Brain Injury Raises Soldiers' Suicide Risk
Suicide risk is higher among military personnel with more lifetime TBIs, even after controlling for clinical symptom severity. Results of the study show that multiple TBIs, which are common among military personnel, may contribute to increased risk ... > full story
- Brain Rewires Itself After Damage or Injury, Life Scientists Discover
- Novel Brain Training Device to Reconnect Brain and Paralyzed Limb After Stroke
- New Research Shows What Raises and Lowers Blood Pressure: Cell Phones, Salt and Saying Om
- Long-Term Use of Prescription Painkillers for Back Pain Linked to Erectile Dysfunction in Men
- more stories
Living Well
Most Math Being Taught in Kindergarten Is Old News to Students
Kindergarten teachers report spending much of their math instructional time teaching students basic counting skills and how to recognize geometric shapes -— skills the students have already mastered before ever setting foot in the kindergarten ... > full story
Biological & Earth Sciences
Plants & Animals
Malaria Infected Mosquitoes More Attracted to Human Odor Than Uninfected Mosquitoes
Female mosquitoes infected with malaria parasites are significantly more attracted to human odor than uninfected mosquitoes, according to new research. Scientists will now attempt to find out how malaria parasites manipulate their mosquito ... > full story
Earth & Climate
First Ever Underwater University Lectures
Students at the University of Essex have taken their lectures to a whole new level -- 18 metres under the sea in remote Indonesia to be ... > full story
- Team Wins Cubesat Berth to Gather Earth Energy Imbalance Measurements
- World's Most Extraordinary Species Mapped for the First Time
- Frog Once Imported for Pregnancy Testing Brought Deadly Amphibian Disease to U.S.
- Jekyll Into Hyde: Breathing Auto Emissions Turns HDL Cholesterol from 'Good' to 'Bad'
- more stories
Fossils & Ruins
Clam Fossils Divulge Secrets of Ecologic Stability
Clam fossils from the middle Devonian era now yield a better paleontological picture of the capacity of ecosystems to remain stable in the face of environmental change, according to new ... > full story
Physical & Applied Sciences
Space & Time
NASA's Asteroid Sample Return Mission Moves Into Development
NASA's first mission to sample an asteroid is moving ahead into development and testing in preparation for its launch in ... > full story
Matter & Energy
Physicists Let Magnetic Dipoles Interact on the Nanoscale for the First Time
Physicists have found out how tiny islands of magnetic material align themselves when sorted on a regular lattice -- by measurements at BESSY II. Contrary to expectations, the north and south poles of the magnetic islands did not arrange themselves ... > full story
Computers & Math
Scientific Insurgents Say 'Journal Impact Factors' Distort Science
An ad hoc coalition of unlikely insurgents -- scientists, journal editors and publishers, scholarly societies, and research funders across many scientific disciplines -- today posted an international declaration calling on the world scientific ... > full story
- Collecting DNA for Human Rights: How to Help While Safeguarding Privacy
- First Direct Proof of Hofstadter Butterfly Fractal Observed in Moiré Superlattices
- Catching Graphene Butterflies: Dramatically Changing Electronic Properties of World's Thinnest Material
- Making Frequency-Hopping Radios Practical
- more stories
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