News of the WeekScienceNOW.org

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Science  10 Apr 2009:
Vol. 324, Issue 5924, pp. 163
DOI: 10.1126/science.324.5924.163

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Summary

Highlights from Science's online daily news site, Science NOW, this week include viruses that can make rechargeable batteries, the oldest stone blades, and the first global look at human sex ratios.