Why do bison run fast but walk slowly?

Some questions are so big they’re existential, meaning that they get right to the heart of human existence. These are also sometimes called philosophical questions, so for this episode we called up a professor of philosophy, Scott Hershovitz, who teaches at the University of Mich ...  Show more

Why did the dinosaurs go extinct? Many of you have learned about the meteorite that scientists say hit the earth 66 million years ago and killed off many dinosaur species. But some dinosaurs survived, and the birds you see flying around today are their direct descendants! In this ...  Show more

Why do turtles walk slow? And how do hermit crabs eat? We asked Phoebe Flanigan, she's used to answering questions about every little thing on the show Every Little Thing! Grown ups, you can find Every Little Thing on Spotify. Learn more about your ad choices. Visit podcastchoice ...  Show more

Why are sloths so slow? We’ll find out how one sloth scientist got crafty and discovered why slowness is a sloth’s secret to survival. Rebecca Cliffe, founder of the Sloth Conservation Foundation, shares the story of her quest to study these sneakily stealthy creatures, with the ...  Show more

"Pourquoi la tortue a-t-elle une carapace ? Pourquoi le crocodile marche-t-il aplati ? Pourquoi le caméléon change-t-il de couleur ? Alain Serge Dzotap revisite de manière savoureuse la grande tradition des contes des pourquoi camerounais. Albin Michel Jeunesse, en partenariat av ...  Show more

Rick and Marco highlight a rare and unusual species that's known as a “spiny anteater.” It's the egg-laying echidna! Our hosts are joined by San Diego Zoo Wildlife Alliance senior wildlife care specialists Jen Lebeau and Adam Murdoch to discuss one of the newest species at the Sa ...  Show more