We’re all probably using a lot more soap these days, but… what is it exactly? How does it work? Who invented it and how has it changed the world? Join Robert and Joe as they explore the invention of Soap. This episode marks the final installment of Invention as a standalone podcast, but invention-based episodes will continue on the Stuff to Blow Your Mind podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.