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http://www.sciencenews.org/view/issue/id/505
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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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May 27th, 2000
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Astronomers have discovered a galaxy so remote that the light reaching Earth left the body some 13.6 billion years ago, making it the most distant object ever detected. (p. 340)
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Though a new study finds that dramatic salt restriction can lower blood pressure, even among people without hypertension, some critics challenge its value in setting new dietary guidelines for all adults. (p. 340)
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When bee larvae are fighting off disease, the nest temperature rises, so the whole hive gets a fever. (p. 341)
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The growing use of the antiseptic triclosan in products ranging from mouthwash to cutting boards and hunting clothes may create bacteria resistant to antibiotic drugs. (p. 342)
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Using a gene known to control hair-cell growth, researchers have grown hair cells in tissue taken from newborn rats' cochleas, raising hopes that inner ear damage may someday be reversible. (p. 342)
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A swath a liquid ocean may have hugged the planet's midriff even during the most frigid global climatic episodes between 800 million and 600 million years ago, allowing life to survive. (p. 343)
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A substantial minority of children exposed to severe deprivation in institutions as infants can't form close relationships, a condition for which there is no established treatment. (p. 343)
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Was the infant cosmos a star-making machine? (p. 348)
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When babies babble, they may say a lot about speech. (p. 344)
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The Argentine ants that are trouncing U.S. species derive much of their takeover power, oddly enough, from losing genetic diversity. (p. 346)
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The first high-resolution analysis of which dolphin is making which sound suggests that hunters blurt out a low-frequency, donkeylike sound that may startle prey into freezing for an instant or attract other dolphins. (p. 346)
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Big spiders in a colony get prime real estate day after day by spinning webs early. (p. 346)
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A long-term study finds some advantages for patients with manic-depressive illness taking an anticonvulsant drug, although placebos also have positive effects on this ailment. (p. 351)
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Brain-damaged people who have lost much of their ability to understand spoken sentences are better than healthy folks at picking up emotions that others are trying to conceal. (p. 351)
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The World Wide Web is less like a network of heavily interconnected superhighways and more like a jungle of one-way streets often leading to dead ends. (p. 351)
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In early May, the malicious ILOVEYOU computer virus shut down hundreds of thousands of computers and caused several billion dollars in damage. (p. 351)
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The earliest known use of the term software to describe computer programs dates back to 1958. (p. 351)
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A cognitive neuroscientist describes how the brain has adapted to reading and what can cause reading...
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