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http://www.sciencenews.org/view/issue/id/700
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In the December 5 Issue:
- TABLE OF CONTENTS
- Climate might be right for a deal: Copenhagen negotiations will take steps toward a climate-stabilizing treaty
- Botanical Whales: Adventures in the Tortugas reveal that seagrass fields need saving too
- Breaking the Speed Limit: Studies examine physiology and technology to better foresee the ultimate edge of human performance
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July 29th, 2000
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The first direct evidence of the tau neutrino, the last of the 12 subatomic particles considered the fundamental building blocks of matter, has finally been found. (p. 68)
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A community survey in North Carolina indicates that many children receiving stimulant treatment don't have attention-deficit hyperactivity disorder. (p. 69)
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Researchers found that northern fur seal mothers and offspring in Alaska remember and respond to each other's calls for as long as 4 years, the first demonstration of such long-term recall in a mammal species other than humans. (p. 69)
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Astronomers reported the discovery of Jupiter's 17th known moon, the first Jovian moon discovered in 25 years and perhaps the tiniest known satellite of any planet. (p. 70)
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Scientists have detected in the atmosphere for the first time a gas that traps heat more effectively than any other previously found there. (p. 70)
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Physicists have pulled out the inside cylinders of multiwall carbon nanotubes, as if expanding a telescope, indicating how the devices may serve as tiny bearings and springs in future nanomachines. (p. 71)
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People with a gene for the protein called apoE-IV are less likely to have the dangerous complication of kidney failure after a heart-bypass operation than are people who make other versions of the protein. (p. 71)
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Farmers need no longer fear the sweet pea's dryland cousin. (p. 74)
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Or shot at by soldiers. This isn't textbook conservation science. (p. 78)
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Astronomers have detected argon in comet Hale-Bopp, the first time an inert gas has been found in one of these icy bodies and an indication that the comet formed in the frigid outer solar system between the orbits of Uranus and Neptune. (p. 72)
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An X-ray flare coming from a old, failed star has surprised astronomers. (p. 72)
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Controversial evidence suggests that a frontal-brain network underlies psychological measures of general intelligence. (p. 72)
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People with autism may often have a superior memory for factual details, possibly because of their inability to use context in remembering information. (p. 72)
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Scientists are developing novel techniques for removing perchlorate, a potentially carcinogenic pollutant, from water. (p. 77)
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China's heavy reliance on coal burning makes it a world leader in mercury air pollution. (p. 77)
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More than 60,000 children are born each year with neurodevelopmental impairments due to their prenatal exposure to methylmercury. (p. 77)
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Whether electromagnetic fields can blunt the healthy variability in heart rate may depend on an exposed individual being aroused or stressed during exposure. (p. 77)
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