Uncategorized
- Physics
Tiny particles baffle physicists, again
An experiment failed to confirm the existence of a new elementary particle called the sterile neutrino, but its results could still point to some new physics.
- Earth
On the rocks
New research explains why a cancer-causing form of chromium has been turning up in ground and surface waters far from industrial sources.
- Physics
Toward imaging single biomolecules
Experiments have given additional evidence that a future generation of X-ray sources called free-electron lasers may be able to image single biomolecules.
- Physics
This is your brain on a chip
Biophysicists have put neurons on a chip and induced them to form multiple patterns of synchronized firing, the mechanism at the basis of memory.
- Astronomy
Eclipsing a black hole
A chance eclipse has enabled astronomers for the first time to measure the width of a disk of swirling, hot matter around a supermassive black hole.
- Earth
Increase in chemical disposals
Industrial facilities in the United States released more than 4 billion pounds of chemicals into the environment in 2005, according to the Environmental Protection Agency's Toxics Release Inventory.
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Psychotherapy aids bipolar treatment
Any of three forms of psychotherapy enhances emotional stability in people with bipolar disorder who already receive standard medications for that severe psychiatric ailment.
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19821
The title of this article exemplifies the problem. By law, the official and preferred system of measurement for all U.S. activities is SI, or the modern metric system. We too often forget that a gram of prevention is worth three kilograms of cure. Education reform at all levels needs to model and teach SI units. […]
- Tech
Wanted: Better Yardsticks
A new federal survey has found that a lack of measurement tools may jeopardize the United States' edge in technological innovation.
- Computing
The Machine’s Got Rhythm
By teaching computers how to transcribe musical recordings, a relatively mundane task, researchers are opening new musical possibilities.
- Humans
Letters from the April 21, 2007, issue of Science News
How the West isn’t one The author of “Why So Dry? Ocean temperatures alone don’t explain droughts” (SN: 2/10/07, p. 84), seems to feel, like most other writers do, that “the western United States” properly covers all geographical bases. Believe me, the Pacific Northwest is anything but dry. One other point about geography: Weather phenomena, […]
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