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http://www.sciencenews.org/view/issue/id/7814
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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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October 7th, 2006
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People with the eye disease known as macular degeneration now have a better-than-average prospect of recovering some vision, thanks to a new drug that takes a lesson from an anticancer strategy. (p. 227)
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A national telephone survey indicates that nearly 6 percent of adults find themselves unable to resist frequent shopping binges that leave them saddled with debt, anxiety, and depression. (p. 227)
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Astronomers have identified the particles in jets emanating from supermassive black holes as electrons and protons, which carry much more energy than some computer models had suggested. (p. 228)
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The climate during the time of the dinosaurs varied far more than scientists had previously thought. (p. 228)
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The 2006 Nobel prizes in the sciences were announced this week, and all five winners are U.S. scientists. (p. 229)
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Saliva alone can transmit a brain-destroying disease from one animal to another. (p. 230)
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Scientists have developed a code of conduct to guide their research and activities at hydrothermal vents. (p. 232)
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The latest generation of microelectrodes is reaching into biological realms to detect the ebbs and flows of chemicals at the surfaces of cells. (p. 235)
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The largest known object at the fringes of the solar system, the icy body whose discovery heated up the debate about the nature of planethood, has an apt new name. (p. 237)
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Ocean-floor sediment near England holds material deposited during the last ice age by what was then Europe's largest river system. (p. 237)
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Alzheimer's disease may start with a single abnormal protein that spoils other proteins nearby. (p. 237)
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Researchers have found a supernova so luminous that it must have been produced by a much heavier star than the standard theory allows. (p. 237)
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Nearly half a million cases of attention-deficit hyperactivity disorder among U.S. children are related to exposures to lead or their mothers' smoking while pregnant. (p. 238)
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Zebra tarantulas can secrete silk from their feet, a feat that may help them better adhere to surfaces. (p. 238)
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Scientists have measured living creatures' contribution to the stirring of ocean water, and they found that little kicking krill legs do a lot. (p. 238)
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At approximately the middle of October, the population of the United States will hit and then quickly eclipse 300 million, according to the U.S. Census Bureau. (p. 238)
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