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Xenocide: The Death of Alien Civilizations
The universe is a cold and hostile place, and may be inhabited by ruthless civilizations or machine minds, bent on destroying anything in their way. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a ...
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