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Science  21 Aug 2009:
Vol. 325, Issue 5943, pp. 927
DOI: 10.1126/science.325_927b

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Summary

Highlights from Science's online daily news site, ScienceNOW, this week include evidence that dogs can't read human minds, a study that used cell-phone calling data to map subjects' social networks, weight loss for batteries, and the evolution of the taste for bitter food.