When Will We Find the Extraterrestrials?
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1:02:35
The Paradoxes of Time Travel
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1:06:44
2023 Paul D. Bartlett, Sr. Lecture - The Search for Extraterrestrial Life & Our Future in the Stars
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1:22:46
Neanderthal Genome Project: Insights into Human Evolution
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1:09:05
Seth Shostak on SETI (Search for Extra Terrestrial Intelligence) | Singularity University
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1:01:34
The Search for Earth 2.0: Why We Think it Exists and How We're Going to Find It
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1:06:21
Movie Science: Who Cares If It's Wrong?
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1:51:36
What Will Humanity Do If We Ever Discover Aliens?
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55:31