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http://www.sciencenews.org/view/issue/id/7533
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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 15th, 2006
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Some regional libraries maintained by the Environmental Protection Agency will permanently shut their doors because of a proposed cut to their funding. (p. 35)
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An X-ray–emitting object at the heart of a young supernova remnant doesn't fit the textbook view of what a stellar explosion is supposed to leave behind. (p. 35)
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Meerkats easing their pups into the job of handling live prey are among the few animal species shown so far to be natural teachers. With audio. (p. 36)
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A new analysis of two biofuels finds that while both provide more energy than they consume, soybean biodiesel gives more bang for the buck than ethanol made from corn. (p. 36)
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Healthy elderly people who burn a lot of calories each day may be gaining extra years of life. (p. 37)
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New measurements bolster the 2-year-old claim that fossils of a half-size human ancestor found on an Indonesian island represent a new species. (p. 37)
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A sensor installed to monitor fallout from modern nuclear tests has detected small amounts of radioactive cesium produced by bomb tests decades ago and sent skyward by forest fires. (p. 38)
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Chemical sensors that take cues from the mammalian pattern-based approach to identifying odors and flavors create colorful readouts that even the eyes can distinguish. (p. 40)
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Shields that confer invisibility on objects and people may be on the horizon. (p. 42)
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To protect a major population of right whales, the U.S. government is proposing periodic go-slow rules for big ships passing through the animals' migration routes. (p. 45)
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A rare but deadly human illness spread by cannibalism has an incubation period in some individuals of about 4 decades. (p. 45)
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Sixteen years after a mine with asbestos-contaminated ore shut down, trees in the area still hold hazardous concentrations of wind-deposited asbestos. (p. 45)
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Cholesterol-lowering drugs called statins might slow the formation of certain types of cataracts in the eye. (p. 45)
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Human growth hormone has substantial risks and no functional benefits for healthy, elderly people. (p. 46)
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Miniature humans whose prehistoric remains were recently unearthed on an Indonesian island may have had a genetic disease known as Laron syndrome. (p. 46)
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A compound in a new class of potential anti-cholesterol drugs has passed an early test in people. (p. 46)
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Abnormal conditions during pregnancy can lead in unexpected ways to physiological problems in children once they reach adulthood. (p. 46)
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(p. 47)
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