PBS Space Time

The Doomsday Argument

Season 5 Episode 42 | 12m 50s

Since the dawn of humanity around 100 billion people have lived. How many will live in the future of our species? We might hope for a trillion times that if we colonize the galaxy. But a simple statistical argument tells us that the doom of our species is much, much closer.

Aired: 12/19/19

Rating: NR

Video has closed captioning.

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