Exit: The Power of Yawning08/05/2014August 5, 2014Yawning in public can be pretty contagious.Copy linkImage: DWAdvertisement Roman Atwood illustrates the phenomenon in his online video "The World’s Most Contagious Prank". From France to Thailand and his native US, he demonstrates the power of yawning. EXIT: Yawning is Contagious - the world over00:39This browser does not support the video element.
