Invention Classic: Chewing Gum
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. (Originally published 7/8/2019) Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.