Exploration, for November 20, 2007 - 2:00pm
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Explorations - November 20, 2007Download this clip (mp3, 10.29 megabytes)
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Guest 1: Dr. Robert Watson, one of the world's most influential environmentalists, talks about world population, food, and global warming.
Guest 2: Dr. Robert Mann, one of the nations leading forensic scientists, talks about the science of CSI.
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