Neil Degrasse Tyson on the Apocalypse, Aliens + How to Travel Forward in Time
[youtube ytid=”https://www.youtube.com/watch?v=U26xbW_s3hQ?autoplay=1&w=580&h=385″ ]
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[youtube ytid=”https://www.youtube.com/watch?v=U26xbW_s3hQ?autoplay=1&w=580&h=385″ ]
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