YouTube: https://youtube.com/watch?v=7pX2oHL99rA
Previous: Quick Quiz: Why Do Cats Purr?
Next: SciShow: You Make Curiosity Contagious

Categories

Statistics

View count:178,718
Likes:5,699
Dislikes:142
Comments:338
Duration:00:32
Uploaded:2014-10-13
Last sync:2019-06-12 15:57
World's Most Asked Questions:
https://www.youtube.com/playlist?list=PLsNB4peY6C6L1A74436Ccy3pvDhb33fhi

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

Or help support us by subscribing to our page on Subbable: https://subbable.com/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
Hank: Why do dogs eat grass?

Caitlin: You know that our brains love junk food, but do you know why?

Michael: There is a lot to be curious about in the world.

Hank: How do you grow a beard?

The world's most asked questions can be answered with science.