Is YAWNING Really CONTAGIOUS???
Is YAWNING Really CONTAGIOUS???  
Podcast: Who Smarted? - Educational Podcast for Kids
Published On: Fri Sep 16 2022
Description: Why do you yawn? What other creatures yawn? Do friends really make you yawn more than strangers? 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.