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| | --- Reply above this line to comment on this post --- Why do we yawn? And why does yawning feel more contagious than the bubonic plague? A couple of the dudes from Vsauce offer a lesson on yawning that might leave you feeling a bit sleepy, but not in a snoozefest kinda way. Bonus challenge: try not to yawn while watching the video. Embedded media -- click here to see it. Via The Kid Should See This. Awake yet? Read more science-y stuff. | | | |
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