Uncategorized
- Humans
Letters from the January 13, 2007, issue of Science News
Sunny exposition “The Antibiotic Vitamin” (SN: 11/11/06, p. 312) reminds me that in preantibiotic days, tuberculosis patients were put on a fresh-air-and-sunshine regimen. Could the vitamin D so acquired account for the cures this system sometimes produced? Nancy AxfordSacramento, Calif. Researcher John J. Cannell points to TB sanitariums as anecdotal evidence that sunlight fights infections.—J. […]
- Planetary Science
From the January 2, 1937, issue
The beauty of snow, a very large number, and a robot brain machine.
- Earth
Meteorites on Ice
Join a recent expedition to the Antarctic to search for meteorites. Check out reports from the 2006-2007 trek in the daily expedition blog. Go to: http://geology.cwru.edu/~ansmet/ and http://www.humanedgetech.com/expedition/ansmet2/
- Animals
Guys Roll Eyes: Fish show some eyeball to their rivals
During breeding season, male fish roll their eyes to send a quick "Back off, punk" signal to other males, researchers say.
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Message Songs: Wild gibbons warble with a simple syntax
Gibbons, a line of apes in southeastern Asia, rearrange their songs in order to communicate with one another.
- Astronomy
Rocky Finding: Evidence of extrasolar asteroid belt
Astronomers have obtained some of the best evidence yet for an asteroid belt beyond the solar system.
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19777
At least on Earth, rock impacts result in charging of the particles. In space, wouldn’t this have a great effect on the motion of the rocks? Stuart HoenigTucson, Ariz. According to researchers, it’s true that the electrostatic charging of space dust and rocks may affect the motions of small particles. However, little is known about […]
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- Health & Medicine
Better Blood: New tool removes agent of brain disease
Scientists have developed a device that filters from blood the mutant proteins that cause the human form of mad cow disease, an advance that may hold promise for increasing the safety of donated blood.
- Paleontology
Paleotrickery: A lengthy lineage for leaf-mimicking insects
Species in one group of insects have escaped the hungry eye of predators by looking like foliage and moving like swaying leaves for at least 47 million years, a new fossil find suggests.
- Tech
Loopy Light: Rings that delay photons may advance microchips
Chains of tiny, high-precision, light-conducting loops of silicon may open the door to using optical circuits to carry enormous data flows within computer chips.
- Health & Medicine
Bad to the Bone: Acid stoppers appear to have a downside
Popular acid-reducing drugs called proton-pump inhibitors may increase the risk of hip fractures in people over 50.
