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http://www.sciencenews.org/view/issue/id/2397
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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 26th, 2002
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Scientists have found a mutated gene that predisposes men of some families to prostate cancer. (p. 51)
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For the first time, researchers have found a compound composed of both carbon and silicon within a living organism. (p. 51)
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A national advisory panel has asked Congress to forbid cloning aimed at creating a child but urged the lawmakers to permit other medical experiments with cloned human cells. (p. 52)
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Tiny artificial hairs that imitate biological cilia flex with enough muscle and finesse to maneuver tiny satellites into place for docking with a mother ship. (p. 52)
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Male monkeys' position in the social pecking order influences their brain chemistry in ways that promote either resistance or susceptibility to the reinforcing effects of cocaine. (p. 53)
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Scientists have figured out the molecular structure of edema factor, a component of the anthrax toxin. (p. 53)
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A diet containing fish oil, which is rich in healthful omega-3 fatty acids, reduces symptoms of a colitis-like condition in rats. (p. 53)
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Fear of bioterrorism has led the World Health Organization to postpone its 2002 deadline for destruction of smallpox virus stocks so that scientists can refine current vaccines and improve defenses against the disease. (p. 54)
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In a seed-dispersal mechanism scientists have never seen before in flowering plants, rain plops into a capsule and makes seeds shoot out the corners. (p. 54)
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Thanks to sophisticated computer simulations of the laws of physics, spectacular special effects—plus a zoo of strange but real-looking creatures—increasingly enliven movie screens and computer-game consoles. (p. 56)
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Ten years after the discovery of the gene that, when mutated, causes cystic fibrosis, researchers are still struggling to understand why deadly lung infections are so common among people with the disease. (p. 59)
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Beneath the frozen surface of Sweden's lakes, algae wage wars over nutrients, and one combatant apparently prevails by releasing chemicals toxic to its adversaries. (p. 61)
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New agents lower cholesterol in a slightly different way than do statins, the most widely used cholesterol-lowering drugs. (p. 61)
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Scientists in Utah have sculpted living nerve cells into a microscopic version of the interlocking rings that symbolize the Olympic games. (p. 61)
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A new process for creating specifically patterned, three-dimensional microstructures could lead to new catalysts or optoelectronic devices. (p. 61)
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The first image of a planet orbiting a star other than the sun may be only a year away. (p. 62)
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We live in a pale-green universe, according to astronomers who analyzed the colors of some 200,000 galaxies as part of the largest galaxy survey completed to date. (p. 62)
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