Why Do We Yawn?
Why do we yawn? If you think the answer is BOR-ing, then maybe your brain's just overheated. Let Hank explain the new thinking behind why we ... hold on ... *yawn*. Excuse me.
Help support us by subscribing to our page on Subbable: https://subbable.com/scishow
----------
Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow
----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Thanks Tank Tumblr: http://thankstank.tumblr.com
Sources:
http://www.upenn.edu/gazette/1109/expert.html
http://news.nationalgeographic.com/news/2011/11/111115-yawning-mystery-brains-sinuses-health-science/
http://www.nytimes.com/2007/07/03/health/03insi.html?_r=0
http://serendip.brynmawr.edu/exchange/node/1912
http://www.loc.gov/rr/scitech/mysteries/yawn.html
http://www.smithsonianmag.com/science-nature/why-do-we-yawn-and-why-is-it-contagious-3749674/?no-ist
https://www.princeton.edu/main/news/archive/S31/64/49G23/index.xml?section=newsreleases
http://www.psychologytoday.com/blog/brain-sense/201111/why-do-you-yawn-when-youre-not-sleepy
http://www.epjournal.net/wp-content/uploads/ep0592101.pdf
There are no comments to display.
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.