The Case of the Sleeping Trees (Interactive E...

This is a rebroadcast of one of our favorite episodes from season 9! Do fungi breathe? That’s what listener Alice wants to know - and we’ll find out in our punniest episode yet! We visit the Fungarium - the largest and oldest collection of fungi in the world with curator Lee Davi ...  Show more

This is a re-broadcast of a favorite episode from 2019. We actually won our first AAAS Kavli Award for this episode, along with The Cave of the Underground Astronauts. Check it out! Why do seals have whiskers? Listener Karah’s question dives into the wonderful world of whisker sc ...  Show more

Did you know? We are back with another episode of Sleep Tight Science and in this episode we are going to learn about trees. Have you ever wondered about how trees grow? How can you tell how old they are? or Why are trees so important? In this episode we are going to talk about a ...  Show more

This is a preview episode. Get the full episode, and many more, ad free, on our supporter's feed: https://getsleepy.com/support. The Tree of Answers Tonight, we have a story sprinkled with intrigue. A young boy, named Charlie, seeks the answers to life's mysteries. But a magica ...  Show more

Happy Earth Week! What has 3 trillion trees and one kid named after a birch tree?

Andrew & Polly's family tree has (at least!) 3 tree experts who give us just the tiniest glimpse into the wonder of all things arboreal. Thanks to Bay Area-based <a href='https://www. ...

We love listener mail! You've sent us some amazing notes. Some made us laugh, some made us cry, and some made us say—hey, that’s a great question! We should answer it. So that’s what we did. This week, we dig into some of your questions about trees. What’s up with that tree-plant ...  Show more