We are joined by Historian of Medicine, Professor of History at Clarkson University, Stephen Casper!

You've got a tailbone, but WTiF Humans actually had TAILS?!

Hang off those trees like our ape-like ancestors, chill out with a nice cool drink and enjoy this ride on the Human evolution train!

Special thanks to Kyle Crichton for help with the show.

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Keep On IFFin',
Philip & Matt