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Science 26 September 2008:
Vol. 321. no. 5897, p. 1853
DOI: 10.1126/science.321.5897.1853b
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Science Podcast

The 26 September 2008 show includes Earth's potentially oldest rocks, science policy and the U.S. presidential election, this year's International Science & Engineering Visualization Challenge, and more.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)