News
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Planetary ScienceA solar forecast
Solar activity, which waxes and wanes in an 11-year cycle, will most likely begin its next round in March 2008 and peak sometime between late 2011 and mid 2012.
By Ron Cowen -
AnimalsSpider blood fluoresces
Among spiders, fluorescence under ultraviolet light seems to be a widespread trait.
By Susan Milius -
EarthLake Superior is warming faster than its local climate
In recent decades, the waters of Lake Superior have warmed significantly faster than have air temperatures at nearby sites onshore, a trend caused in part by a long-term decrease in the lake's winter ice cover.
By Sid Perkins -
AnthropologyKin play limited role in chimp cooperation
Male chimps collaborate in a variety of ways and, like people, often find partners outside of their immediate families for cooperative ventures.