Podcast:Who Smarted? - Educational Podcast for Kids Published On: Fri Oct 30 2020 Description: The toothbrush was invented in jail - by a prisoner! How did that happen? And how did toothbrushing become a regular daily activity in the 1950s? You'll travel to Egypt, London, and more in this episode that will get your kids excited to brush! For more great Toothbrushing resources check out the Chompers podcast See omnystudio.com/listener for privacy information. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.