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Science  06 Aug 2010:
Vol. 329, Issue 5992, pp. 619
DOI: 10.1126/science.329.5992.619

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Summary

ScienceNOW reported this week that attaching solar sails to satellites could reduce the congestion in geosynchronous orbit; chewing on bones can change the shape of a coyote's skull; cannabinoids disrupt the body's internal clock; and a virus related to SIV first infected chimpanzees at least 22,000 years ago, much earlier than previous estimates; among other stories.