Oct19
Why is yawning contagious? I was on Skype the other day talking to my girlfriend, and we were still able to give each other the yawns. Weird.
Here are a couple of links that talks about the contagious nature of yawning.
http://www.world-science.net/exclusives/050309_yawnfrm.htm
http://news.discovery.com/human/yawning-social-behavior.html
REFERENCE: movie “Contagion”
https://american-otaku.com/2011/10/contagious/
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