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Origins of Human Culture Linked to Rapid Climate Change
Rapid climate change during the Middle Stone Age, between 80,000 and 40,000 years ago, sparked surges in cultural innovation in early modern human populations, according to new ...full story -
Fourteen Closely Related Crocodiles Existed Around 5 Million Years Ago
Today, the most diverse species of crocodile are found in northern South America and Southeast Asia: As many as six species of alligator and four true crocodiles exist, although no more ...full story -
Molecular Trigger for Alzheimer's Disease Identified
Researchers have pinpointed a catalytic trigger for the onset of Alzheimer's disease -- when the fundamental structure of a protein molecule changes to cause a chain reaction that leads to ...full story -
Non-Wetting Fabric That Drains Sweat Invented
Waterproof fabrics that whisk away sweat could be the latest application of microfluidic technology developed by ...full story -
The Mammoth's Lament: How Cosmic Impact Sparked Devastating Climate Change
Researchers have found evidence of a major cosmic event near the end of the Ice Age. The ensuing climate change forced many species to adapt or ...full story -
Do Salamanders' Immune Systems Hold the Key to Regeneration?
Salamanders' immune systems are key to their remarkable ability to regrow limbs, and could also underpin their ability to regenerate spinal cords, brain tissue and even parts of their ...full story -
Practice Makes Perfect? Not So Much, New Research Finds
Turns out, that old "practice makes perfect" adage may be overblown. New research finds that a copious amount of practice is not enough to explain why people differ in level of skill in two ...full story -
How Bilinguals Switch Between Languages
Individuals who learn two languages at an early age seem to switch back and forth between separate "sound systems" for each language, according to new research. The research addresses ...full story -
Amazon River Exhales Virtually All Carbon Taken Up by Rainforest
Woody plant matter is almost completely digested by bacteria living in the Amazon River. This tough stuff plays a major part in fueling the river's breath. The finding has implications for ...full story -
Echolocation: Blind People Have the Potential to Use Their 'Inner Bat' to Locate Objects, Study Finds
New research shows that blind and visually impaired people have the potential to use echolocation, similar to that used by bats and dolphins, to determine the location of an object. The ...full story
- Human Culture Linked to Rapid Climate Change
- 14 Related Crocodiles 5 Million Years Ago
- Molecular Trigger for Alzheimer's Disease ID'd
- Non-Wetting Fabric That Drains Sweat Invented
- How Cosmic Impact Sparked Climate Change
- Salamander Immune System: Key to Regeneration?
- Practice Makes Perfect? Not So Much, Study Says
- How Bilinguals Switch Between Languages
- Amazon River Exhales Carbon Taken Up by Forest
- Blind People Have Potential to Use Echolocation
Aggressive Behavior Linked Specifically to Secondhand Smoke Exposure in Childhood
Children who are exposed to
secondhand smoke in early
childhood are more likely to grow
up to physically aggressive and
antisocial, regardless of whether
they were exposed during pregnancy
or their parents have a history of
... > full story
- more on:
Low Population Immunity to New Bird Flu Virus H7N9 in Humans
The level of immunity to the
recently circulating H7N9
influenza virus in an urban and
rural population in Vietnam is
very low, according to the first
population level study to examine
human immunity to the virus, which
... > full story
- more on:
Visual Search Function: Where Scene Context Happens in Our Brain
Though a seemingly simple and
intuitive strategy, visual search
function -- a process that takes
mere seconds for the human brain
-- is still something that a
computer can't do as accurately.
Over the millennia of human
... > full story
- more on:
Early-Life Traffic-Related Air Pollution Exposure Linked to Hyperactivity
Early-life exposure to
traffic-related air pollution was
significantly associated with
higher hyperactivity scores at age
7, according to new research. ... > full story
- more on:
'Whodunnit' of Irish Potato Famine Solved
An international team of
scientists reveals that a unique
strain of potato blight they call
HERB-1 triggered the Irish potato
famine of the mid-19th century. ... > full story
- more on:
Opening Doors to Foldable Electronics With Inkjet-Printed Graphene
Imagine a bendable tablet computer
or an electronic newspaper that
could fold to fit in a pocket. The
technology for these devices may
not be so far off, thanks to new
research. ... > full story
- more on:
Compound in Mediterranean Diet Makes Cancer Cells 'Mortal'
New research suggests that a
compound abundant in the
Mediterranean diet takes away
cancer cells' "superpower" to
escape death. ... > full story
- more on:
Ant Study Could Help Future Robot Teams Work Underground
Future teams of subterranean
search and rescue robots may owe
their success to the lowly fire
ant, a much-despised insect whose
painful bites and extensive
networks of underground tunnels
are all-too-familiar to people
living in the southern United
... > full story
- more on:
Bed Sharing Leads to Fivefold Increase in Risk of Crib Death for Babies Whose Parents Do Not Smoke
Parents who share a bed with their
breastfed baby could face a
fivefold increase in the risk of
crib death, even if the parents do
not smoke, according to a new
study. ... > full story
- more on:
Not Just Blowing in the Wind: Compressing Air for Renewable Energy Storage
A comprehensive study into the
potential for compressed air
energy storage in the Pacific
Northwest has identified two
locations in Washington state that
could store enough Northwest wind
energy combined to power about
... > full story
- more on:
Roots of Future Tropical Rainfall: Sea Level Influenced Tropical Climate During the Last Ice Age
How will rainfall patterns across
the tropical Indian and Pacific
regions change in a future warming
world? Climate models generally
suggest that the tropics as a
whole will get wetter, but the
... > full story
- more on:
Heat-Related Deaths in Manhattan Projected to Rise: Killing Season May Push Into Spring and Fall
Researchers say deaths in
Manhattan linked to warming
climate may rise some 20 percent
by the 2020s, and, in some
worst-case scenarios, 90 percent
or more by the 2080s. Higher
... > full story
- more on:
- Aggressive Kids? Secondhand Smoke May Be to Blame
- Low Immunity Found to New Bird Flu, H7N9
- Where Scene Context Happens in Our Brain
- Air Pollution Linked to Hyperactivity
- 'Whodunnit' of Irish Potato Famine Solved
- Foldable Electronics With Printed Graphene
- Mediterranean Diet Makes Cancer Cells 'Mortal'
- Ants to Help Future Underground Robot Teams
- Bed Sharing: 5-fold Increase Risk of Crib Death
- Compressing Air for Renewable Energy Storage
- Roots of Future Tropical Rainfall Explored
- Heat-Related Deaths in Manhattan On the Rise
- more top science stories
Top Medical News
Scientists Uncover How Grapefruits Provide a Secret Weapon in Medical Drug Delivery
Researchers have uncovered how to create nanoparticles using natural lipids derived from grapefruit, and have discovered how to use them as drug delivery ... > full story
Top Technology News
Going Green: U.S. Equipped to Grow Serious Amounts of Pond Scum for Fuel
A new analysis shows that the nation's land and water resources could likely support the growth of enough algae to produce up to 25 billion gallons of algae-based fuel a year in the United States, one-twelfth of the country's yearly needs. For the ... > full story
Top Environment News
Abundance and Distribution of Hawaiian Coral Species Predicted by Model
Researchers have developed species distribution models of the six dominant Hawaiian coral species around the main Hawaiian Islands, including two species currently under consideration as threatened or ... > full story
More Science Headlines
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2 pm EDT
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Poliovirus Vaccine Trial Shows Early Promise for Recurrent Glioblastoma
May 21, 2013 — An attack on glioblastoma brain tumor cells that uses a modified poliovirus is showing encouraging results in an early study to establish the proper dose ... > full story -
Obesity; Children's Health; Mental Health Research; Mental Health; Child Psychology; Chronic Illness;
Child Maltreatment Increases Risk of Adult Obesity
May 21, 2013 — Children who have suffered maltreatment are 36 percent more likely to be obese in adulthood compared to non-maltreated children, according to a new study. The authors estimate that the prevention or effective treatment of seven cases of child ... > full story -
Magnetic Fingerprints of Superfluid Helium-3
May 21, 2013 — Superconducting sensors have allowed for highly sensitive measurements of the nuclear magnetic resonance of thin helium-3 ... > full story -
Soft Matter Offers New Ways to Study How Materials Arrange
May 21, 2013 — A fried breakfast food popular in Spain provided the inspiration for the development of doughnut-shaped droplets that may provide scientists with a new approach for studying fundamental issues in physics, mathematics and ... > full story -
How Gold Nanoparticles Can Help Fight Ovarian Cancer
May 21, 2013 — Positively charged gold nanoparticles are usually toxic to cells, but cancer cells somehow manage to avoid nanoparticle toxicity. Researchers found out why and determined how to make the nanoparticles effective against ovarian cancer ... > full story
11 am EDT
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Elusive Search for Biomarkers in Huntington's Disease
May 20, 2013 — While Huntington's disease (HD) is currently incurable, the HD research community anticipates that new disease-modifying therapies in development may slow or minimize disease progression. The success of HD research depends upon the identification of ... > full story -
Cholesterol; Diet and Weight Loss; Obesity; Dieting and Weight Control; Nutrition; Nutrition Research;
Mediterranean Diet Seems to Boost Aging Brain Power
May 20, 2013 — A Mediterranean diet with added extra virgin olive oil or mixed nuts seems to improve the brain power of older people better than advising them to follow a low-fat diet, according to new ... > full story -
Premature Birth Interrupts Vital Brain Development Processes Leading to Reduced Cognitive Abilities in Infants
May 20, 2013 — Researchers have for the first time used a novel form of MRI to identify crucial developmental processes in the brain that are vulnerable to the effects of premature birth. This new study shows that disruption of these specific processes can have an ... > full story -
Resistance to Last-Line Antibiotic Makes Bacteria Resistant to Immune System
May 21, 2013 — Bacteria resistant to the antibiotic colistin are also commonly resistant to antimicrobial substances made by the human body, according to a new study. Cross-resistance to colistin and host antimicrobials LL-37 and lysozyme, which help defend the ... > full story -
New Source of Kidneys for Transplant Suggested
May 20, 2013 — Nearly 20 percent of kidneys that are recovered from deceased donors in the U.S. are refused for transplant due to factors ranging from scarring in small blood vessels of the kidney’s filtering units to the organ going too long without blood ... > full story
8 am EDT
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Protein Study Suggests Drug Side Effects Are Inevitable
May 20, 2013 — A new study of both computer-created and natural proteins suggests that the number of unique pockets – sites where small molecule pharmaceutical compounds can bind to proteins – is surprisingly small, meaning drug side effects may be ... > full story -
Sleep Disorder Research; Sleep Disorders; Insomnia Research; Insomnia; Child Development; Workplace Health;
Less Sleep Associated With Increased Risk of Crashes for Young Drivers
May 20, 2013 — A new study suggests less sleep per night is associated with a significant increase in the risk for motor vehicle crashes for young ... > full story -
Bacteria; Foodborne Illness; Gastrointestinal Problems; Mice; Alzheimer's Research; Microbes and More;
Intestinal Bacteria Protect Against E. Coli O157:H7
May 20, 2013 — A cocktail of non-pathogenic bacteria naturally occurring in the digestive tract of healthy humans can protect against a potentially lethal E. coli infection in animal models according to new ... > full story -
Novel Approach to Regulating Blood Sugar Levels in the Body
May 19, 2013 — For the first time, scientists showed that targeting glucagon action in the brain may be a new frontier for regulating ... > full story -
Asthma; Allergy; Vitamin A; Multiple Sclerosis Research; Alzheimer's Research; Diseases and Conditions;
Ginger Compounds May Be Effective in Treating Asthma Symptoms, Study Suggests
May 19, 2013 — Gourmands and foodies everywhere have long recognized ginger as a great way to add a little peppery zing to both sweet and savory dishes; now, a study shows purified components of the spicy root also may have properties that help asthma patients ... > full story
5 am EDT
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Sleep Disorder Research; Asthma; Insomnia Research; Diseases and Conditions; Chronic Illness; Allergy;
Potential New Risk for Sleep Apnea Identified: Asthma
May 19, 2013 — Researchers have identified a potential new risk factor for obstructive sleep apnea: ... > full story -
Dementia; Obstructive Sleep Apnea; Sleep Disorder Research; Sleep Disorders; Alzheimer's; Alzheimer's Research;
Sleep Apnea Linked to Alzheimer's
May 19, 2013 — A new study looking at sleep-disordered breathing (SDB) and markers for Alzheimer’s disease (AD) risk in cerebrospinal fluid (CSF) and neuroimaging adds to the growing body of research linking the ... > full story -
Gym Class Reduces Probability of Obesity, Study Finds for First Time
May 20, 2013 — Little is known about the effect of physical education on child weight, but a new study finds that increasing the amount of time that elementary schoolchildren spent in gym class reduces the probability of ... > full story -
Vaccines; Health Policy; Diseases and Conditions; Infectious Diseases; Chronic Illness; Sexual Health;
Leading Explanations for Whooping Cough's Resurgence Don't Stand Up to Scrutiny
May 20, 2013 — Whooping cough has exploded in the United States and some other developed countries in recent decades, and many experts suspect ineffective childhood vaccines for the alarming ... > full story -
Timing of Cancer Radiation Therapy May Minimize Hair Loss
May 20, 2013 — Discovering that mouse hair has a circadian clock - a 24-hour cycle of growth followed by restorative repair - researchers suspect that hair loss in humans from toxic cancer radiotherapy and chemotherapy might be minimized if these treatments are ... > full story
2 am EDT
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Coming Into Existence: Lab Sets a New Record for Creating Heralded Photons
May 20, 2013 — A new experiment establishes a heralding efficiency that might allow loopholes to be eliminated in the validation of spooky action-at-a-distance in quantum ... > full story -
Autism: Sensory-Motor or Environmental Enrichment May Be Promising Approach
May 18, 2013 — In the first successful experiment with humans using a treatment known as sensory-motor or environmental enrichment, researchers documented marked improvement in young autistic boys when compared to boys treated with traditional behavioral ... > full story -
Women Who Smoke During Pregnancy Increase the Risk of Both Obesity and Gestational Diabetes in Their Daughters
May 20, 2013 — Women who smoke during pregnancy increase the risk of both obesity and gestational diabetes, in their ... > full story -
Iron-Platinum Alloys Could Be New-Generation Hard Drives
May 20, 2013 — Researchers have found a convenient way to make layered iron-platinum alloys and tailor their properties, a promising material for a potential new generation of data storage ... > full story -
NASA Mars Rover Curiosity Drills Second Rock Target
May 20, 2013 — NASA's Mars rover Curiosity has used the drill on its robotic arm to collect a powdered sample from the interior of a rock called "Cumberland." Plans call for delivering portions of the sample in coming days to laboratory instruments inside the ... > full story
11 pm EDT
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Video Games; Anger Management; Social Psychology; Math Puzzles; Language Acquisition; Artificial Intelligence;
Human-Like Opponents Lead to More Aggression in Video Game Players
May 20, 2013 — Video games that pit players against human-looking characters may be more likely to provoke violent thoughts and words than games where monstrous creatures are the enemy, according to a new ... > full story -
Nanoantennas Improve Infrared Sensing
May 20, 2013 — Engineers have used a pattern of nanoantennas to develop a new way of turning infrared light into mechanical action, opening the door to more sensitive infrared cameras and more compact chemical-analysis ... > full story -
Combined Wood and Tobacco Smoke Exposure Increases Risk and Symptoms of COPD
May 20, 2013 — People who are consistently exposed to both wood smoke and tobacco smoke are at a greater risk for developing chronic obstructive pulmonary disease (COPD) and for experiencing more frequent and severe symptoms of the disease, as well as more severe ... > full story -
Lung Disease; Asthma; Infant's Health; Pregnancy and Childbirth; Infectious Diseases; Diseases and Conditions;
Prenatal Exposure to Traffic Is Associated With Respiratory Infection in Young Children
May 20, 2013 — Living near a major roadway during the prenatal period is associated with an increased risk of respiratory infection developing in children by the age of 3, according to a new ... > full story -
Air Pollution and Noise Pollution Increase Cardiovascular Risk
May 20, 2013 — Both fine-particle air pollution and noise pollution may increase a person’s risk of developing cardiovascular disease, according to new ... > full story
8 pm EDT
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Today's Healthcare; Pharmacology; Public Health; Personalized Medicine; Diseases and Conditions; Privacy Issues;
Breakup of Physician, Drug Company Relationship Could Improve Health Care, Cut Cost
May 20, 2013 — A new report suggests that improved health care and significant reductions in drug costs might be attained by breaking up the age-old relationship between physicians and drug company representatives who promote the newest, more costly and often ... > full story -
Far-Reaching, Microvascular Damage Found in Uninjured Side of Brain After Stroke
May 20, 2013 — An animal-model study finds far-reaching microvascular damage in the uninjured side of the brain after a stroke. The findings suggest repair of the protective blood-brain barrier may help prevent this breach in the days following the acute ... > full story -
Today's Healthcare; Back and Neck Pain; Pain Control; Workplace Health; Diseases and Conditions; Lupus;
Telerehabilitation Allows Accurate Assessment of Patients With Low Back Pain
May 20, 2013 — A new "telerehabilitation" approach lets physical therapists assess patients with low back pain over the Internet, with good accuracy compared with face-to-face examinations, reports a new ... > full story -
Advance in Nanotech Gene Sequencing Technique
May 20, 2013 — The allure of personalized medicine has made new, more efficient ways of sequencing genes a top research priority. One promising technique involves reading DNA bases using changes in electrical current as they are threaded through a nanoscopic hole. ... > full story -
Molecular Marker from Pancreatic 'Juices' Helps Identify Pancreatic Cancer
May 19, 2013 — Researchers have developed a promising method to distinguish between pancreatic cancer and chronic pancreatitis — two disorders that are difficult to tell apart. A molecular marker obtained from pancreatic “juices” can identify ... > full story
5 pm EDT
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Blood Clots; Today's Healthcare; Hypertension; Wounds and Healing; Diseases and Conditions; Heart Disease;
Commonly Used Catheters Double Risk of Blood Clots in ICU and Cancer Patients
May 19, 2013 — Peripherally inserted central catheters – an often preferred route for delivery of IV medications — increase risk of blood clots in sickest ... > full story -
Kinks and Curves at the Nanoscale: New Research Shows 'Perfect Twin Boundaries' Are Not So Perfect
May 19, 2013 — Since 2004, materials scientists and nanotechnology experts have been excited about a special of arrangement of atoms called a "coherent twin boundary" that can add enormous strength to metals like gold and copper. The CTBs are described as ... > full story -
Origins of Life: In Early Earth, Iron Helped RNA Catalyze Electron Transfer
May 19, 2013 — A new study shows how complex biochemical transformations may have been possible under conditions that existed when life began on the early Earth. The study shows that RNA is capable of catalyzing electron transfer under conditions similar to those ... > full story -
Attention Deficit Disorder; Mental Health; Mental Health Research; ADD and ADHD; Obesity; Children's Health;
Link Between Childhood ADHD and Obesity Revealed in First Long-Term Study
May 20, 2013 — A new study found men diagnosed as children with attention-deficit/hyperactivity disorder (ADHD) were twice as likely to be obese in a 33-year follow-up study compared to men who were not diagnosed with the ... > full story -
Discovery of a Novel Medicine for the Treatment of Chronic Wounds
May 20, 2013 — Every 20 seconds, a limb is lost as a consequence of diabetic foot ulcer that does not heal. To date, medical solutions that can change this situation are very limited. A researchers has now presented a novel medicine for chronic wound treatment ... > full story
Health & Biomedical Sciences
Health & Medicine
Do Men's and Women's Hearts Burn Fuel Differently?
Gender specific shifts in cardiac metabolism under stress may shed light on heart ... > full story
Mind & Brain
Genetic Diversity Within Tumors Predicts Outcome in Head and Neck Cancer
A new measure of the heterogeneity – the variety of genetic mutations – of cells within a tumor appears to predict treatment outcomes of patients with the most common type of head and neck ... > full story
- For Combat Veterans Suffering from Post-Traumatic Stress Disorder, 'Fear Circuitry' in the Brain Never Rests
- Ketamine Shows Significant Therapeutic Benefit in People With Treatment-Resistant Depression
- New Approach to Improving Treatment for MS and Other Conditions
- Work-Related Stress Linked to Increased Blood Fat Levels, Cardiovascular Health Risks
- more stories
Living Well
How to Best Manage Workaholics: New Study Offers Insight
Workaholics tend to live in extremes, with great job satisfaction and creativity on the one hand and high levels of frustration and exhaustion on the other hand. Now, a new study offers managers practical ways to help these employees stay healthy ... > full story
- One in 10 Teens Using 'Study Drugs,' but Parents Aren't Paying Attention
- Youth Who Have Their First Drink During Puberty Have Higher Levels of Later Drinking
- College Women Exceed NIAAA Drinking Guidelines More Frequently Than College Men
- Individuals Who Drink Heavily and Smoke May Show 'Early Aging' of the Brain
- more stories
Biological & Earth Sciences
Plants & Animals
Making Ice-Cream More Nutritious With Meat Left-Overs
Most of the animal proteins found in the meat industry waste have, until now, been underutilized. The challenge is to transform such waste into food of higher functionality and added ... > full story
Earth & Climate
Geochemist Aids Development of Geologic Time Scale for Study of Earth's History
The Geologic Time Scale 2012, or GTS2012, is the latest understanding of Earth's history, and the means by which geoscientists around the world investigate the rock ... > full story
Fossils & Ruins
Fossil Brain Teaser: New Study Reveals Patterns of Dinosaur Brain Development
A new study sheds light on how the brain and inner ear developed in dinosaurs. Using high-resolution CT scanning and 3D computer imaging, it was possible to reconstruct and visualise the brain and inner ear of Dysalotosaurus lettowvorbecki -- a ... > full story
- Archaeological Genetics: It's Not All as Old as It at First Seems
- Reading Rock to Understand How Climate Change Unfolds
- Actor Johnny Depp Immortalized in Name of Fossilized Creature With 'Scissor Hand' Claws
- Paleontology: The Eloquence of Otoliths Seen in a 23-Million-Year-Old Fish Fossil
- more stories
Physical & Applied Sciences
Space & Time
NASA’s BARREL Mission Launches 20 Balloons
In Antarctica in January, 2013 -- the summer at the South Pole -- scientists released 20 balloons, each eight stories tall, into the air to help answer an enduring space weather question: when the giant radiation belts surrounding Earth lose ... > full story
Matter & Energy
Bacteria Use Hydrogen, Carbon Dioxide to Produce Electricity
Researchers have engineered a strain of electricity-producing bacteria that can grow using hydrogen gas as its sole electron donor and carbon dioxide as its sole source of ... > full story
Computers & Math
Competition in the Quantum World
Physicists have gained a deep insight into the nature of quantum mechanical phase transitions. Scientists have simulated the competition between two rival dynamical processes at a novel type of transition between two quantum mechanical ... > full story
- Bionimbus Protected Data Cloud to Enable Researchers to Analyze Cancer Data
- Electric and Magnetic Characteristics of a Material Which Could Be Used in Spintronics: Promising Doped Zirconia
- New Record in Wireless Data Transmission
- New Study Recommends Using Active Videogaming ('exergaming') to Improve Children's Health
- more stories
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