News aggregator

Asthma symptoms impair sleep quality and school performance in children

Science News Daily - May 21, 2013 - 9:52am
The negative effects of poorly controlled asthma symptoms on sleep quality and academic performance in urban schoolchildren has been confirmed in a new study.
Categories: A Broader View

Soft matter offers new ways to study how materials arrange

Science News Daily - May 21, 2013 - 9:52am
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 materials.
Categories: A Broader View

How to best manage workaholics: New study offers insight

Science News Daily - May 21, 2013 - 9:51am
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 and effective on the job.
Categories: A Broader View

How gold nanoparticles can help fight ovarian cancer

Science News Daily - May 21, 2013 - 9:50am
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 cells.
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Geochemist aids development of geologic time scale for study of Earth's history

Science News Daily - May 21, 2013 - 9:49am
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 record.
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Early-life traffic-related air pollution exposure linked to hyperactivity

Science News Daily - May 21, 2013 - 12:12am
Early-life exposure to traffic-related air pollution was significantly associated with higher hyperactivity scores at age 7, according to new research.
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'Whodunnit' of Irish potato famine solved

Science News Daily - May 21, 2013 - 12:12am
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.
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Resistance to last-line antibiotic makes bacteria resistant to immune system

Science News Daily - May 21, 2013 - 12:12am
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 body against bacterial attack, could mean that patients with life-threatening multi-drug resistant infections are also saddled with a crippled immune response.
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New NOAA report examines national oil pollution threat from shipwrecks

Science News Daily - May 20, 2013 - 6:31pm
NOAA presented to the U.S. Coast Guard a new report that finds that 36 sunken vessels scattered across the U.S. seafloor could pose an oil pollution threat to the nation's coastal marine resources. Of those, 17 were recommended for further assessment and potential removal of both fuel oil and oil cargo.
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NASA builds unusual testbed for analyzing X-ray navigation technologies

Science News Daily - May 20, 2013 - 5:55pm
Pulsars have a number of unusual qualities. Like zombies, they shine even though they're technically dead, and they rotate rapidly, emitting powerful and regular beams of radiation that are seen as flashes of light, blinking on and off at intervals from seconds to milliseconds. A NASA team has built a first-of-a-kind testbed that simulates these distinctive pulsations.
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The mammoth's lament: How cosmic impact sparked devastating climate change

Science News Daily - May 20, 2013 - 5:55pm
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 die.
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Mediterranean diet seems to boost aging brain power

Science News Daily - May 20, 2013 - 5:54pm
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 research.
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Women who smoke during pregnancy increase the risk of both obesity and gestational diabetes in their daughters

Science News Daily - May 20, 2013 - 5:54pm
Women who smoke during pregnancy increase the risk of both obesity and gestational diabetes, in their daughters.
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Bed sharing leads to fivefold increase in risk of crib death for babies whose parents do not smoke

Science News Daily - May 20, 2013 - 5:54pm
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.
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NASA Mars rover Curiosity drills second rock target

Science News Daily - May 20, 2013 - 4:32pm
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 rover. This is only the second time that a sample has been collected from inside a rock on Mars.
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Practice makes perfect? Not so much, new research finds

Science News Daily - May 20, 2013 - 3:39pm
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 widely studied activities, chess and music.
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Iron-platinum alloys could be new-generation hard drives

Science News Daily - May 20, 2013 - 3:39pm
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 media.
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Human-like opponents lead to more aggression in video game players

Science News Daily - May 20, 2013 - 3:39pm
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 study.
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How bilinguals switch between languages

Science News Daily - May 20, 2013 - 3:38pm
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 enduring questions in bilingual studies about how bilingual speakers hear and process sound in two different languages.
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