Robert Lamb and Joe McCormick host Stuff To Blow Your Mind. To date, the show has over 900 episodes and more than 100 million downloads. Yeah, that’s pretty good. Recently Rob and Joe launched a second podcast called Invention. We caught up with the long-time podcasters yesterday and picked their brains about their shows, working for How Stuff Works, and why they love to podcast. Listen to our interview in the player below.