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http://www.sciencenews.org/view/issue/id/2166
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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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November 10th, 2001
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Chemists have developed a novel technology that could help clean up the papermaking process. (p. 292)
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Sweat glands secrete a microbe-killing protein. (p. 292)
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In the early morning hours of Nov. 18, sky watchers in North America may be treated to one of the most spectacular displays of shooting stars they're likely to see for a generation, if not longer. (p. 293)
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A protein on the surface of brain cells enables rogue antibodies to attach to and kill these neurons, suggesting an explanation for neurological problems found in some lupus patients. (p. 293)
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Single-molecule transistors and other comparably small components are now at work in prototype circuits that may eventually lead to electronic devices crammed with up to 100,000 times more transistors per square centimeter than are on today's chips. (p. 294)
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The waxing and waning of synchronized electrical bursts by cells in two key brain areas may promote at least one type of memory formation. (p. 294)
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Farm-derived nutrients in the Mississippi River that create a huge dead zone in the Gulf of Mexico could probably be substantially reduced if farmers simply used a little less fertilizer. (p. 295)
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The woodpecker finches of the Galápagos, textbook examples of birds that use tools, pick up their considerable skills without copying each other. (p. 295)
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By studying the molecular footprints of evolution in parasites and human hosts, geneticists are casting light on when and how malaria became the menace it is. (p. 296)
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Astronomers have for the first time measured the motion of a small black hole and a companion star speeding through our galactic neighborhood. (p. 299)
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A trove of newly discovered planets orbiting other stars suggests that the solar system may not be the oddball it had begun to seem. (p. 299)
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The largest dust storm seen on Mars in more than 2 decades is now beginning to wane. (p. 299)
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Increasing evidence links trans fats to health problems, and some researchers are looking for ways to reduce the fats in food. (p. 300)
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The presence of a protein called prostasin may signal cancer of the ovaries. (p. 303)
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The anti-inflammatory drug infliximab, also called Remicade, can cause hidden tuberculosis to flare up. (p. 303)
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The vintner's habit of picking no grapes before their time may give scientists a tool that could help verify reconstructions of European climate for the past 500 years. (p. 303)
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An international team of scientists has analyzed a lengthy core of ice and snow drilled from atop Europe's tallest mountain to produce the first century-long record of uranium concentrations in a high-altitude environment. (p. 303)
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