For obese teen girls, aerobic exercise may trump resistance training in health benefits Bethesda, Md. (Nov. 7, 2013)—Obesity has more than doubled in children and tripled in adolescents in the United States in the past 30 years, according to the Centers for Disease Control ...

When is a comet not a comet? Hubble astronomers observe bizarre 6-tailed asteroid Astronomers using the NASA/ESA Hubble Space Telescope have observed a unique and baffling object in the asteroid belt that looks like a rotating lawn sprinkler or badminton ...

If a tree falls in Brazil…? Amazon deforestation could mean droughts for western US In research meant to highlight how the destruction of the Amazon rainforest could affect climate elsewhere, Princeton University-led researchers report that the total deforestation ...

Oxygen levels in tumors affect response to treatment The genetic make-up of a patient's tumor could be used to personalize their treatment, and help to decide whether they would benefit from receiving additional drugs as part of their radiotherapy ...

Alcohol-related aggression: Social and neurobiological factors One-third of all acts of violence are perpetrated under the influence of alcohol. They give rise not only to personal suffering, but also to socio-economic costs. What are the causes of alcohol-related ...

Potential for added medical benefits uncovered for widely used breast cancer drug Lab tests show it protects cells from UV radiation, inflammation and oxidative damage Exemestane, a synthetic steroid drug widely prescribed to fight breast cancers that thrive on estrogens, ...

'Diabetic flies' can speed up disease-fighting research Fruit flies make good stand-ins for humans in diabetes treatment tests, UMD study finds COLLEGE PARK, Md - In a finding that has the potential to significantly speed up diabetes research, scientists at the University ...

Children who have autism far more likely to have tummy troubles The gastrointestinal problems are linked to problem behaviors in children with autism, developmental delay Children with autism experience gastrointestinal (GI) ...

Speaking a second language may delay different dementias MINNEAPOLIS – In the largest study on the topic to date, research shows that speaking a second language may delay the onset of three types of dementias. The research is published in the November 6, 2013, ...

Floods didn't provide nitrogen 'fix' for earliest crops in frigid North Floods didn't make floodplains fertile during the dawn of human agriculture in the Earth's far north because the waters were virtually devoid of nitrogen, unlike other areas of the globe scientists ...

Monkeys use minds to move 2 virtual arms DURHAM, N.C. – In a study led by Duke researchers, monkeys have learned to control the movement of both arms on an avatar using just their brain activity. The findings, published Nov. 6, 2013, in the ...

X-rays reveal inner structure of the Earth's ancient magma ocean First look into molten basalt at deep mantle conditions This news release is available in German. Using the world's most brilliant X-ray source, scientists have for the first ...

Stress makes snails forgetful Snail study reveals that stress is bad for memory New research on pond snails has revealed that high levels of stress can block memory processes. Researchers from the University of Exeter and the University of Calgary trained snails ...

Annual car crash deaths in England and Wales have fallen 40 percent in 50 years But may still contribute to social class and gender differences in life expectancy The annual number of car crash deaths in England and Wales has plunged by 41% over the past ...

Crime associated with higher mortality rates The new study, published in the journal PLOS ONE shows that people with drug-related criminal records in Norway have a mortality rate that can be up to 15 times higher than people ...

Discovery of HIV 'invisibility cloak' reveals new treatment opportunities Scientists have discovered a molecular invisibility cloak that enables HIV, the virus that causes AIDS, to hide inside cells of the body without triggering the body's natural defence systems. ...

Study uncovers new explanation for infection susceptibility in newborns CINCINNATI – Cells that allow helpful bacteria to safely colonize the intestines of newborn infants also suppress their immune systems to make them more vulnerable ...

Newly discovered predatory dinosaur 'king of gore' reveals the origins of T. rex November 6, 2013, Salt Lake City, UT – A remarkable new species of tyrannosaur has been unearthed in Grand Staircase-Escalante National Monument (GSENM), southern Utah. The huge ...

New study identifies signs of autism in the first months of life Scientists at Marcus Autism Center, Children's Healthcare of Atlanta and Emory University School of Medicine identify markers of social disability present in 2 to 6-month-old infants later diagnosed ...

RNA controls splicing during gene expression, further evidence of 'RNA world' origin in modern life RNA is the key functional component of spliceosomes, molecular machines that control how genes are expressed, report scientists from the University ...

New research shows clear association between ACE inhibitors and acute kidney injury These and similar drugs are the second most prescribed on the NHS Cambridge scientists have found an association between ACE inhibitors (and similar drugs) and acute kidney ...

First study of Russian meteor The meteor that exploded over Chelyabinsk, Russia in February 2013 was "a wake-up call," according to a University of California, Davis scientist who participated in analyzing the event. The work is published Nov. 7 in the journal ...

Climate change scientists must turn their attention to clean skies Natural aerosols, such as emissions from volcanoes or plants, may contribute more uncertainty than previously thought to estimates of how the climate might respond to greenhouse gas emissions. An ...

Drilling for hydrocarbons can impact aquatic life Drilling sumps can leak into surface water The degradation of drilling sumps associated with hydrocarbon extraction can negatively affect aquatic ecosystems, according to new research published November 6th in the open-access ...

The presence of human settlements has a negative impact on tiger connectivity Tigers are dispersing over much greater distances than previously found Human settlements and roads place greater barriers on tiger dispersal than distance, according to new research published ...