Find out why we yawn:
How long can you last before yawning? Let us know in the comments! And SUBSCRIBE!:
Instagram: Greg's () and Mitch's ()
Facebook:
Twitter:
Tumblr:
Vine: Search "AsapSCIENCE" on vine!
Written and created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter @whalewatchmeplz).
How long can you last before yawning? Let us know in the comments! And SUBSCRIBE!:
Instagram: Greg's () and Mitch's ()
Facebook:
Twitter:
Tumblr:
Vine: Search "AsapSCIENCE" on vine!
Written and created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter @whalewatchmeplz).
- Категория
- документальныйー - Documentary
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