Is Yawning Contagious?
S3:E4Can a yawn, like a cold, truly be caught? Does toast really fall buttered-side down? Could a toy car beat a real car (in this case, a Dodge Viper) in a gravity slope race?
Can a yawn, like a cold, truly be caught? Does toast really fall buttered-side down? Could a toy car beat a real car (in this case, a Dodge Viper) in a gravity slope race?