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http://www.sciencenews.org/view/issue/id/6962
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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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January 21st, 2006
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A genetic mutation has been identified that increases a person's susceptibility to West Nile virus. (p. 35)
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A controversial new study, the first to use gamma-ray bursts to measure the expansion of the universe far back in time, hints that dark energy may not be constant in time. (p. 35)
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New Zealand's endangered, flightless parrot population is recovering from a shortage of daughters now that conservationists are counting calories for the mothers. (p. 36)
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Exposure to trace amounts of an estrogenlike ingredient of polycarbonate plastic may increase the risk of diabetes, experiments in mice show. (p. 36)
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A capsule containing dust collected from the comet Wild-2 safely landed in the Utah desert. (p. 37)
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The brain draws on a range of pain-fighting options when people receive sham treatments for pain. (p. 37)
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A technique that some scientists claim generates thermonuclear fusion in a benchtop apparatus apparently works even without its controversial neutron trigger. (p. 38)
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Sunlight triggers the entry of poisonous mercury into polar lakes, but it also removes most of the toxic compound before fish can consume it. (p. 38)
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By simulating individual cells and their behavior inside the human body using a computer technique called agent-based modeling, scientists are gaining new insight into disease progression. (p. 40)
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To speed the search for extraterrestrial life, researchers are using extreme conditions on Earth to develop a flotilla of detection devices to tease out signs of life in unlikely places. (p. 42)
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Excavators of a pyramid in northeastern Guatemala announced the discovery of the earliest known Maya writing. (p. 45)
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Cranberry juice, often used to stave off urinary-tract infections caused by Escherichia coli, also keeps the bacterium from reducing a biosensor's specificity. (p. 45)
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Scientists have created thin, wavy silicon ribbons that stretch along with their rubber backing. (p. 45)
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Astronomers have found 19 cosmic mirages, distorted images created when the gravity of a massive galaxy bends and magnifies the light from a background object. (p. 45)
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Astronomers have obtained an image of a close companion star to Polaris, the North Star. (p. 46)
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Rather than disrupting the planet-forming process around another star, a nearby companion may sometimes enhance it, new computer simulations suggest. (p. 46)
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Astronomers say they have solved the riddle of how young, massive stars can reside so close to the monster black hole at the Milky Way's center. (p. 46)
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(p. 47)
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