Discover the Wildlife of Your Home

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

We’re wrapping up 2025 with a final Mailbag episode, featuring some of our longest-running Patrons! Did you know, when you sign up to support Tumble on Patreon, you’ll get a personalized message from Marshall? And if you’ve been supporting us for years, we might just call you up ...  Show more

In this episode, we learned about spiders, especially the Darwin's Bark Spider and some questions from you, our listeners. Spiders are fascinating creatures with unique characteristics: they belong to the arachnid family and can be found worldwide in various sizes and colours. Th ...  Show more

Ciaran and Dan delve into one of the biggest mysteries of all time: Are we alone in the universe? With the help of Voyager Golden Record artist Jon Lomberg and more, we try to discover how we might know if something else was out there and if we ever did discover alien life, how w ...  Show more

One of the first times Dominique Gonçalves saw an elephant, it charged her. Yet she has devoted her life to studying them. In this episode, we hear about roundabout ways to find the thing you love, human-wildlife conflict, being underestimated, and asking for the things you want. ...  Show more

People are really good at building homes out of everything from wood and concrete to mud and ice. But when it comes to animal homes, creatures can be more inventive than humans!

In this creatively constructed episode, Molly and cohost Marama renovate Brains On HQ wit ...