From agriculture to the X-ray machine, hosts Robert Lamb and Joe McCormick explore the inventions we created, and how they created us.

Chewing Gum

July 8, 201966 min
Chewing gum is everywhere today, but where does it come from? What did we chew before Bubblicious? How does gum affect us? Robert and Joe explore in this episode of Invention.  Learn more about your ad-choices at