Podcast:Who Smarted? - Educational Podcast for Kids Published On: Wed Dec 28 2022 Description: What causes you to smile? How does a smile work? Is Smiling healthy for you? For free home activities sign-up at www.WhoSmarted.com See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.