Nat. Geo. - One Strange Rock Series 1 (2018) Part 8 Alien

One Strange Rock Series 1 Hosted by Will Smith, One Strange Rock reveals the twists of fate that allow life to thrive on Earth.

Part 8 Alien

All life on Earth started as single-cell bacteria and stayed like that for two billion years. So even if we do find alien life out there, what are the chances of that life being complex like us? Astronaut host – Mae Jemison.

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