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http://www.sciencenews.org/view/issue/id/722
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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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August 5th, 2000
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For the first time, researchers have directly observed a protein begin to crystallize, and they've found it has a peculiar shape. (p. 84)
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Astronomers have found the nearest known planet that lies outside the solar system, a mere 10.5 light-years from Earth. (p. 84)
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The infamous virus called Ebola has a surface protein that kills cells in blood vessels. (p. 85)
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Two new particle accelerators built to help discover why there's matter instead of antimatter in the universe are closing in on an answer at record speed. (p. 86)
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After 5 years of mystery, California pathologists announced they may have identified the cause of a new tree disease called sudden oak death. (p. 86)
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NASA satellite images released last week confirmed that the northern United States had much less snow cover than normal this spring, following North America's warmest winter on record. (p. 87)
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Injecting mice and chickens with a type of adenovirus that causes colds in humans led to higher body fat, though not higher body weight, and researchers point to indirect evidence for a role for the virus in human obesity as well. (p. 87)
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Political conflict and terror look different up close and local. (p. 88)
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Does junk DNA help women muffle one X chromosome? (p. 92)
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Cadmium, a metal naturally present in south-central Colorado, concentrates at deadly levels in willow plants, poisoning the ptarmigan that rely on the plant during winter months. (p. 90)
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Two studies independently confirm that Candida albicans, a strain of yeast long believed to be asexual, can sexually reproduce under certain conditions. (p. 90)
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Male fish can inappropriately make egg yolk protein, even when only intermittently exposed to water tainted with an estrogenic pollutant. (p. 94)
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Biologists have launched a campaign to eradicate the first infestation in open American waters of an invasive mutant algae. (p. 94)
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Escherichia coli, which causes severe diarrhea in people, may be widespread in deer, a finding that raises concerns about preparation of wild-game meats. (p. 95)
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Australian scientists have identified a new virus, apparently spread by fruit bats, that causes birth defects in pigs and severe illness in some people exposed to infected pigs. (p. 95)
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An outbreak of fatal encephalitis in India appears to have been caused by a strange form of rashless measles in a majority of the sick children tested. (p. 95)
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Reducing the amount of antibiotics given to livestock in Denmark has lowered the amount of drug-resistant Enterococcus faecium bacteria in the meat of these animals. (p. 95)
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A cognitive neuroscientist describes how the brain has adapted to reading and what can cause reading...
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A cognitive neuroscientist describes how the brain has adapted to reading and what can cause reading...
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