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Proposed mission would return sample from asteroid 'time capsule'

Submitted by Earth News on Fri, 03/12/2010 - 12:00
ShareThisMeet asteroid 1999 RQ36, a chunk of rock and dust about 1,900 feet in diameter that could tell us how the solar system was born, and perhaps, shed light on how life began. It also might hit us someday.
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Scavenging energy waste to turn water into hydrogen fuel

Submitted by Earth News on Fri, 03/12/2010 - 12:00
ShareThisMaterials scientists have designed a way to harvest small amounts of waste energy and harness them to turn water into usable hydrogen fuel.
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Scientists identify microRNA as possible cause of chemotherapy resistance

Submitted by Earth News on Fri, 03/12/2010 - 12:00
ShareThisScientists may have uncovered a mechanism for resistance to paclitaxel in ovarian cancer, microRNA-31, suggesting a possible therapeutic target for overcoming chemotherapy resistance.
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Contraceptive pill not associated with increased long-term risk of death, study finds

Submitted by Earth News on Fri, 03/12/2010 - 12:00
ShareThisWomen in the UK who have ever used the oral contraceptive pill are less likely to die from any cause, including all cancers and heart disease, compared with never users, according to new research.
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R-rated movies increase likelihood of underage children trying alcohol

Submitted by Earth News on Fri, 03/12/2010 - 12:00
ShareThisR-rated movies portray violence and other behaviors deemed inappropriate for children under 17 year of age. A new study finds one more reason why parents should not let their kids watch those movies: adolescents who watch R-rated movies are more likely to try alcohol at a young age.
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High-tech armrest: Computer-controlled hand and arm support devise developed for doctors, artists

Submitted by Earth News on Fri, 03/12/2010 - 12:00
ShareThisEngineers developed a computer-controlled, motorized hand and arm support that will let doctors, artists and others precisely control scalpels, brushes and tools over a wider area than otherwise possible, and with less fatigue.
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After a fight with a partner, brain activity predicts emotional resiliency

Submitted by Earth News on Fri, 03/12/2010 - 09:00
ShareThisNeural activity in the lateral prefrontal cortex can predict whether an individual will still be upset on the day after a conflict with his or her partner, according to new research. The findings point to the brain region's role in emotion regulation, and suggest that greater activity in this area might lead to improvement in day-to-day mood.
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Cassini data show ice and rock mixture inside Saturn's moon Titan

Submitted by Earth News on Fri, 03/12/2010 - 09:00
ShareThisBy precisely tracking NASA's Cassini spacecraft on its low swoops over Saturn's moon Titan, scientists have determined the distribution of materials in the moon's interior. The subtle gravitational tugs they measured suggest the interior has been too cold and sluggish to split completely into separate layers of ice and rock.
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More maize ethanol may boost greenhouse gas emissions

Submitted by Earth News on Fri, 03/12/2010 - 09:00
ShareThisMandated increases in the production of maize-derived ethanol will lead to land-use changes that boost carbon dioxide emissions enough to make the fuel a worse environmental option than burning gasoline, according to a new analysis.
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Research points to way to improve heart treatment

Submitted by Earth News on Fri, 03/12/2010 - 09:00
ShareThisCurrent drugs used to treat heart failure and irregular heartbeat have limited effectiveness and have side effects. New basic science findings suggest a way that treatments could potentially be refined so that they work better and target only key heart-related mechanisms.