Let's talk about string theory, super AI and animal emotions. Here are our 2018 World Science Festival interviews with physicist Brian Greene, physicist Max Tegmark and anthropologist Barbara J. King.
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From the Vault: Saint Swithin's Revenge
1:04:49

Weirdhouse Cinema: Adam and Eve (1983)
1:38:37

The Shocking Vastness of Prairie , Part 4
1:06:44