Search Results for: assessments
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3,585 results
3,585 results for: assessments
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Raising Trust
Some forager groups may nurture a sharing sense in their offspring.
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Energy-efficient brains
Successful problem solving depends on a brain that efficiently lessens its workload rather than laboring harder.
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- Tech
Building a Supermodel
Researchers are combining ergonomics and biological research with computer power to build a virtual human that can simulate human biology from anatomy down to the genetic code.
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- Chemistry
Glowing bacteria gobble gook in soil
A genetically engineered bacterium lights up as it breaks down organic contaminants in soil.
- Tech
Eau, Brother!
The combination of advanced sensor materials and powerful computer chips promises devices that can sense threats ranging from bacteria in food to explosives in land mines.
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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.
