Seth Shostak on the Possibility of 'Universal Biology'
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Owen Gingerich on the Role of Chance in Biological History and SETI
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Irven DeVore on the Chances of SETI being Successful
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John Barrow on the Role of Chance in Biological History
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Seth Shostak on the Likelihood of Detecting Intelligent Life
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John Barrow on the Evolution and Longevity of Intelligence
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John Barrow on the Connection Between SETI and Religion
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Seth Shostak on the Impact of Discovering ET on Religion
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Jill Tarter on the Social Impact of Discovering ET
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