The International Space Station sits 250 miles above Earth, but how did it get there?

Astronaut Don Pettit tells us about what it’s like to live on the ISS, and he should know. He’s spent over a year of his life on various space missions.

We’ll also visit a high school science class preparing to send an experiment to the space station. We’ll hear a doozy of a Mystery Sound. And we’ll get up close and personal with Canadarm.

What’s a Canadarm?!!? Find out on this episode of Brains On!

Brains On! is an award-winning audio show for kids and families from American Public Media.