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3,584 results
3,584 results for: assessments
- Computing
New initiatives scale up supercomputing
Several government efforts aim to give researchers access to computing power in the range of 12 trillion operations per second or more.
- Earth
L.A. moves, but not in the way expected
Researchers monitoring small ground motions along faults in Southern California ended up detecting an altogether different phenomenon: the rise and fall of the ground as local governments pump billions of gallons of water into and out of the region's aquifers.
- Earth
Aircraft spies on health of coral reefs
Marine ecologists report the development of a new remote-sensing system that can assess the health of coral reefs from planes.
- Earth
Bt Corn Risk to Monarchs Is ‘Negligible’
A much-anticipated report states that the most commonly planted forms of genetically engineered Bt corn pose only a "negligible" risk to monarch butterfly populations.
- Earth
EU moves against flame retardants
The European Union has provisionally voted to ban the use and importation of nearly all members of a family of flame retardants known as polybrominated diphenyl ethers.
- Health & Medicine
Vitamin relative may aid stroke repair
Dehydroascorbic acid, a precursor of vitamin C, may help stroke patients retain use of parts of their brain at risk from the blood shut-off caused by strokes.
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It’s a tough job, but native bees can do it
An organic watermelon field in California near remnants of wild land still had enough bees of North American species to pollinate a commercial crop, but habitat-poor farms didn't.
- Health & Medicine
Nifty Spittle: Compound in bat saliva may aid stroke patients
An anticlotting molecule in the saliva of vampire bats combats strokelike brain damage in mice.
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Smells Like Emotion: Brain splits duties to sniff out feelings
A study suggests that a brain structure called the amygdala assesses the emotional intensity of both pleasant and unpleasant sensations, thus challenging prior evidence that it primarily coordinates fear responses.
- Tech
Columbia Disaster: Why did the space shuttle burn up?
The space shuttle Columbia, which tore apart killing all seven of its crew on Feb. 1 just minutes before it was scheduled to land, may have been doomed since its liftoff.
- Health & Medicine
Full Pipeline: Success of experimental AIDS drugs offers promise of future therapies
Three experimental drugs—a monoclonal antibody, a protease inhibitor, and a fusion inhibitor—performed well in early tests on AIDS patients.
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Radiation Marks Chromosomes: Plutonium leaves genetic fingerprint
By examining specific types of long-lasting genetic rearrangements in blood cells, researchers have found a way to measure a person's past exposures to plutonium radiation.
