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http://www.sciencenews.org/view/issue/id/7053
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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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February 18th, 2006
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Among elderly people, a spouse's hospitalization for certain ailments substantially raises his or her partner's likelihood of dying. (p. 99)
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Astronomers have discovered what may be a new class of star that emits bursts of radio waves for 2 to 30 milliseconds before falling silent for minutes to hours. (p. 99)
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A newly described marine flatworm from Guam hunts with the same toxin that a puffer fish uses. With video. (p. 100)
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Scientists have genetically altered mice so that they mimic the deficits in short-term memory and attention of schizophrenic patients. (p. 100)
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A large, new study in rats suggests that the artificial sweetener aspartame may be a carcinogen, but critics question the finding's validity. (p. 101)
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Action movies of molecules and a better feel for microscopic surfaces could flow from a radically revised version of the atomic-force microscope. (p. 101)
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Two tests show promise in detecting Alzheimer's disease or other cognitive impairment years before symptoms arise. (p. 102)
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A diarrhea-causing bacterium has developed new resistance to a widely used class of antibiotics and has recently become more transmissible and more deadly. (p. 104)
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Advances that include the first swimming micromachine and novel designs for similar devices are deepening scientists' understanding of the bizarre world of microscale liquids. (p. 107)
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Earth's rising temperatures may be a precipitating factor in the extinctions of dozens of tropical frog species. (p. 109)
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Bacteria that live in dirt are surprisingly resistant to antibiotics, even those they presumably have never before encountered. (p. 109)
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Children in sport utility vehicles are just as likely as children in passenger cars to be injured in an accident, despite the SUVs' greater weight. (p. 109)
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For each serving of french fries that a preschool girl typically consumed per week, her adult risk of developing breast cancer climbed. (p. 109)
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Scientists have developed a rating scale to assess the impact of major snowstorms that strike the northeastern United States. (p. 110)
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By observing Pluto's moon Charon passing in front of a star, astronomers have obtained precise measurements of the moon's radius and density. (p. 110)
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Ocean cooling caused by the volcanic eruption of Krakatoa in 1883 kept sea level worldwide in check well into the 20th century. (p. 110)
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The drug memantine slowed mental decline in people with moderate-to-advanced Alzheimer's disease in a 12-month trial, the longest test of the drug to date. (p. 110)
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(p. 111)
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