Toothpaste
Toothpaste is a vital substance in our war against tooth decay, but when did we first rub this stuff into our teeth and gums? In this episode of Invention, Robert Lamb and Joe McCormick squeeze out the history and origins of toothpaste. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
