<p>A Smithsonian researcher has made a discovery we couldn't wait to sink our teeth into — what might be the earliest evidence of our human ancestors eating each other. This conversation is a special update from our past episode 'Did Meat Make Us Human?' Bon appétit! </p>

Tyrannosaurus FX

More than 154 million treasures fill the Smithsonian’s vaults. But where the public’s view ends, Sidedoor begins. With the help of biologists, artists, historians, archaeologists, zookeepers and astrophysicists, host Lizzie Peabody sneaks listeners through the Smithsonian’s side door, telling stories that can’t be heard anywhere else. Check out si.edu/sidedoor and follow @SidedoorPod for more info. 