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http://www.sciencenews.org/view/issue/id/4228
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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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September 13th, 2003
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Astronomers have for the first time detected sound waves generated by a black hole. (p. 163)
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By using radioactive nuclei as projectiles in accelerator-based nuclear collisions, scientists may be able to produce more readily than expected many exotic heavy nuclei that are impossible to make today but are crucial for future advances in nuclear physics. (p. 163)
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People with lung cancer show less DNA-repair activity by a certain enzyme than people without the disease do. (p. 164)
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Alterations of genes that produce a protective, fatty coating for brain cells may influence the development of both schizophrenia and bipolar disorder. (p. 164)
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Chronic stress might drive people to consume comfort foods that can soothe the brain. (p. 165)
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Researchers in Germany have retracted a paper that reported promising results for a vaccine that elicited immune responses against cancer cells. (p. 165)
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A new analysis of historical flood records from central Europe suggests that widespread inundations in the region have been on the wane for the past century or so. (p. 166)
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To minimize the threat of volcanic ash plumes to aircraft, scientists are improving methods of satellite detection and developing ground-based gas and ash-plume sensors to monitor volcanic activity. (p. 168)
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Engineers take aim at increasing the density of data storage on magnetic media. (p. 171)
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Babies exposed to a common phthalate plasticizer before birth spend a week less in the womb than do those without evidence of exposure. (p. 173)
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By controlling the amount of water in their glands, spiders and silkworms prevent their silk proteins from crystallizing prematurely. (p. 173)
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New studies of distinctive skull structures in fossils of one of Earth's earliest-known four-limbed creatures suggest the animal could hear best when it was underwater. (p. 173)
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Children who snore frequently are more likely to struggle with their schoolwork than are children who rarely snore. (p. 173)
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Carefully monitoring the motion of a star 90 light-years from Earth, astronomers have found what may be the closest analog known to our solar system. (p. 174)
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A novel notion of geophysical processes taking place deep within our planet may explain why the upper layer of Earth's mantle is relatively depleted of many trace elements. (p. 174)
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The amount of calcium in the coronary arteries can serve as a risk marker for people who are otherwise without heart disease symptoms. (p. 174)
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Control measures implemented in response to the devastating animal epidemic of foot-and-mouth disease can apparently help curtail the spread of the cryptosporidium parasite, which sickens people. (p. 174)
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A cognitive neuroscientist describes how the brain has adapted to reading and what can cause reading...
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A cognitive neuroscientist describes how the brain has adapted to reading and what can cause reading...
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