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http://www.sciencenews.org/view/issue/id/4164
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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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August 23rd, 2003
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A new study finds that pregnant women taking nonprescription painkillers such as ibuprofen and aspirin have a higher risk of miscarriage. (p. 115)
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Stardust is sneaking into our solar system at three times the rate that it had just 4 years ago, and the influx of dust could triple through 2010. (p. 115)
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An ultra-sensitive chemical sensor uses microcantilevers to detect airborne plastic explosives within seconds. (p. 116)
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A new genetic analysis bolsters the idea that musical taste, rather than geography, split Africa's indigobirds into multiple species. (p. 116)
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Patients who suffer from asthma and other lung disorders report thoughts of suicide and self-harm far more often than do people treated for other physical illnesses. (p. 117)
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Chemical analyses of Earth's lower atmosphere show that the overall concentration of bromine, a component of some potent ozone-destroying chemicals, has dropped by 5 percent since peaking in 1998. (p. 118)
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A study of genetic differences among human lice hints at the origin of clothing. (p. 118)
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In earthquake-prone areas of the United States and elsewhere in the world, debates go on over whether—and how much—to reinforce buildings. (p. 120)
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To guide treatment decisions in individual cases of prostate cancer, medical researchers are using gene-expression profiling and other novel techniques to develop better predictive markers of how a given tumor will behave. (p. 123)
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Ripples in the fabric of space-time may put the brakes on the fastest-spinning stars in the universe and prevent them from flying apart. (p. 125)
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Kidney-dialysis patients getting the vitamin D drug paricalcitol survive longer than those getting a similar medication called calcitriol. (p. 125)
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The unmanned NASA aircraft that holds the world record for high-altitude flight without rocket propulsion recently broke up over the Pacific Ocean. (p. 125)
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Past infection by multiple common viruses may contribute to cognitive decline in some elderly people. (p. 125)
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Although Pluto has been receding from the sun for more than a decade, planetary scientists have now found that between 1988 and 2002, Pluto’s atmosphere has nearly doubled in size and its temperature has increased by about 1 degree C. (p. 126)
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Guggul extract, long used in parts of Asia and gaining popularity in Western countries as a weapon against high cholesterol, does not appear to work. (p. 126)
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Drawing on an ancient Greek myth, researchers have given the name prometheus to a mutant strain of zebrafish that appear to have no liver early in their lives. (p. 126)
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Certain blind cave-dwelling fish in Mexico may have developed more taste buds and bigger jaws as they lost their eyes. (p. 126)
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