Why Do Animals Play?

What would happen if the Moon disappeared? How big is the universe, really? And what happens to atoms inside a black hole? Marshall and Lindsay get the answers to some cosmic questions in this special mailbag episode! If you want to have your comment or review read on our show, l ...  Show more

This is a rebroadcast of one of our favorite episodes from season 10! Ever wondered how dinosaurs left their footprints behind millions of years ago? We embark on a prehistoric adventure with renowned paleontologist Paul Olsen! Discover the secrets behind dinosaur tracks and how ...  Show more

Philo Farnsworth loved electricity so much he came up with a way to invent television - as a 14 year old! Centuries beforehand Stephen Gray, a British scientist, learned more about electricity than anyone before him - and he used children to show how it worked! 

In disruptive times like these, it can be useful to expand your mind with radical new ideas, especially when they challenge your own assumptions. We need to remember that discomfort can be the first step in genuine learning, but only if we’re open to it. Today’s guest, Malcolm Co ...  Show more

Lonnie Johnson was already a brilliant Air Force engineer working on cutting edge, planet-saving inventions…when a surprise bathroom discovery (we’ve all been there) sparked an idea that changed water fights forever. This nuclear scientist's side hustle—a game-changing water gun ...  Show more

As a child Solomon King Benge loved Eric Laithwaite’s 1974 book The Engineer in Wonderland, based on the mechanical engineer’s 1966 Royal Institution Christmas lectures. After reading it he asked his physics teacher if he and his classmates might try some of Laithwaite’s practica ...  Show more