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Science  04 Sep 2009:
Vol. 325, Issue 5945, pp. 1191
DOI: 10.1126/science.325_1191

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Highlights from Science's online daily news site, ScienceNOW, this week include a breathalyzer for cancer, the reason "close talkers" make others uncomfortable, ancient armored mammals at bat, and the effects of global warming on marine food webs.