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http://www.sciencenews.org/view/issue/id/2051
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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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October 6th, 2001
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Scientists have created a synthetic compound that, when tested in rats, disables the toxin that makes anthrax lethal. (p. 212)
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Researchers have created tiny, striped tags for labeling and tracking biologically important molecules. (p. 212)
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With the snap of a claw, a pinkie-size ocean shrimp generates a collapsing air bubble that's hot enough to emit faint light. (p. 213)
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Researchers have identified a genetic mutation that may lie at the root of a severe speech and language disorder observed across four generations of a British family. (p. 213)
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Cells that enter a state called senescence in older individuals may stimulate nearby cells to become tumors. (p. 214)
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A subspecies of one of New Guinea's poisonous pitohui birds may be mimicking a toxic neighbor, according to a new genetic analysis. (p. 214)
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Using a cosmic zoom lens, astronomers may have found one of the first building blocks of a galaxy in the universe. (p. 215)
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A pair of studies suggests a link, at least in some women, between elevated residential exposure to electromagnetic fields and reduced production of the hormone melatonin. (p. 215)
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A hepatitis-like virus that causes no known diseases seems to help people stave off the progression of HIV, the AIDS virus. (p. 216)
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A French group performed the first transatlantic operation when surgeons in New York controlled a robot in Strasbourg, France, which removed a woman's gall bladder. (p. 216)
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Researchers have built a simple circuit that blends living neurons with silicon-based transistors. (p. 216)
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A tiny, new biomedical device operates on such a small scale that it can grab individual red blood corpuscles in its jaws. (p. 216)
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Research suggests that the long-range movement of dust can sicken wildlife, crops—even humans—a continent away. (p. 218)
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Making novel, superheavy elements is harder than was previously expected, according to a new experiment, but the findings may also help physicists better choose which atoms to smash into which. (p. 221)
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Once as baffling as black magic, the random failures of glass bulbs used in magnetic resonance imaging (MRI) now appear to stem from unexpected magnetization of the glass. (p. 221)
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Evidence from the early universe that one of the so-called constants of nature, known as alpha, was once slightly smaller than it is today hints that the laws of physics themselves may vary over time and space. (p. 222)
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