Why does yawning seem to be contagious?
Mar 16, 2007 #2 jim mcnamara Mentor 4,594 3,486 Here is a simple answer - nobody knows. There were reasons postulated and then later pitched. http://www.yesmag.bc.ca/Questions/yawn.html [Broken] Last edited by a moderator: May 2, 2017
Here is a simple answer - nobody knows. There were reasons postulated and then later pitched. http://www.yesmag.bc.ca/Questions/yawn.html [Broken]