We have so much on our minds that we couldn’t pick one topic for today — we’re going with three! Strap in.

First: a failed bill from the 1900s that proposed hippopotamus ranching in the U.S.

Then: an initiative to save humanity by storing poop in a vault

And finally: orcas teaching each other to sink boats.

GUESTS:

• Dr. Shoshi Parks: freelance writer
• Dr. Maria Gloria Dominguez-Bello: Professor at Rutgers University and President of The Microbiota Vault
• Monika Wieland Shields: Co-founder and Director of the Orca Behavior Institute and author of Endangered Orcas: The Story of the Southern Residents

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