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3,582 results
3,582 results for: assessments
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Treatment enigma for disturbed kids
Two new studies offer conflicting views of the effectiveness of mental-health services for children and teenagers.
- Astronomy
No signal from Mars Polar Lander
A radio signal that NASA hoped came from the vanished Mars Polar Lander has a terrestrial origin, scientists from the space agency and Stanford University have concluded.
- Astronomy
Getting a Clear View
Outfitted with a mirror that flexes several hundred times a second to compensate for the blurring induced by Earth’s atmosphere, one of the world’s sharpest telescopes just got a whole lot sharper.
- Planetary Science
Reviewers see red over recent Mars programs
NASA's two most recent missions to Mars failed because they were underfunded, managed by inexperienced people, and insufficiently tested, according to a report released March 28.
- Health & Medicine
Panel ups RDAs for some antioxidants
An Institute of Medicine panel reported that dietary antioxidants such as vitamins A and E can limit cellular damage from free radicals but warned that studies in people have never adequately established a direct connection between antioxidant consumption and prevention of chronic disease.
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Placebos for depression attract scrutiny
FDA clinical trials suggest that placebos provide substantial relief to depressed patients, but debate continues about whether it's ethical to use placebos in studies of antidepressant drugs.
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- Astronomy
New sky map: Look, Ma, no Milky Way!
Using a radio telescope to record emissions from hydrogen gas, astronomers have penetrated the murk of the Milky Way to map the entire southern sky.
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Religious commitment linked to longer life
A statistical analysis of 42 studies revealed that people who report heavy involvement in religious activities tend to have better physical health and live longer than those who don't.
- Chemistry
Clearing the air on dirty art
Air-pollution damage to artworks may accumulate more stealthily than conservationists thought, suggesting that art exhibitors need to step up protection against such damage.
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Code Breakers
Scientists are altering bacteria in a most fundamental way.
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Dancing with feeling
Indian classical dance provides a new way for scientists to explore cross-cultural understanding of emotions.
