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http://www.sciencenews.org/view/issue/id/2483
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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 23rd, 2002
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Icing down patients who have just had a heart stoppage may boost their survival chances and prevent brain damage in those who pull through. (p. 115)
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A novel laser on a microchip emits a band of light rather than the single, pure color usually expected from a laser. (p. 115)
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Researchers are enlisting a person's own immune system to attack prostate tissue, including cancerous cells. (p. 116)
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Several human chromosomes now face intensified scrutiny for possibly harboring genes involved in Alzheimer's disease. (p. 116)
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New finds at a 780,000-year-old Israeli site indicate that its ancient residents used stone tools to crack open a variety of hard-shelled nuts that were gathered as a dietary staple. (p. 117)
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The 2000 census missed a little more than 1 percent of the nation’s population, due in part to a surge of undocumented immigrants to the United States in the late 1990s. (p. 117)
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A mild-mannered reed native to the United States is getting blamed for the mayhem caused by an evil twin. (p. 118)
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Materials scientists are finding new uses for the billions of pounds of feathers produced each year by the poultry industry. (p. 120)
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Sensitive X-ray, infrared, and radio telescopes are now providing an extraordinarily clear view of the dust-shrouded center of our galaxy. (p. 122)
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By the age of 14 months, babies display a feel for evaluating the sensibility of an adult's behavior and either imitating the means to a goal or opting for a simpler way to achieve the same result. (p. 125)
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After more than 6 years spent touring Jupiter and its four largest moons, the Galileo spacecraft’s mission is beginning to wind down. (p. 125)
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A single trail of dinosaur footprints found in a British limestone quarry preserves a record of two different walking styles in the same animal, a tantalizing clue that some types of lumbering, bipedal dinosaurs could also run if the need arose. (p. 125)
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NASA scientists and Defense Department mapmakers are assembling billions of radar measurements made from the space shuttle Endeavour to produce what they say will be the world’s best topographic map. (p. 126)
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Researchers have measured the amount of static charge that a walking house fly generates. (p. 126)
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Artificial sunbathing using ultraviolet lights increases the risk of all types of skin cancer. (p. 126)
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