Jill Tarter on Searching for Extra-Terrestrial Intelligence
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Trinh Xuan Thuan on the Probability of Finding ET
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Alan Guth on the Probability of Finding ET
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Anna Case-Winters on Extra Terrestrial Life
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John Barrow on the Emergence of Intelligent Life
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Irven DeVore on the Chance that Life is Common in the Universe
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Jill Tarter on the Probability of Finding ET
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Steven Weinberg on the Probability that Extra-Terrestrial Life Exists
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David Ray Griffin on Sir Fred Hoyle's Views and Omnipotence
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Sandra Faber on the Probability of Finding Extra-Terrestrial Life
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Seth Shostak on the Value of Radio in the Search for ET
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David Ray Griffin on an Extra Terrestrial Religious Life
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John Haught on ET and Seeing 'Mind' Behind the Universe
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Lawrence Kushner on Extra-Terrstrial Life and Purpose
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David Latham on Extra-Solar Planets
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Sandra Faber on Recent Discovery of Planetary Systems
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Jill Tarter on the Robustness and Probable Ubiquity of Life
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