Why Body Hair

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=l7nlo-CseGQ

In today's episode Hank talks about hair: What's it good for, what's it made of, and why do we have less than other mammals? • Like SciShow? Want to get cool 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: / scishow • Twitter: / scishow • Tumblr: / scishow • Thanks Tank Tumblr: / thankstank • Sources for this episode: • http://science.howstuffworks.com/life... • http://animaldiversity.ummz.umich.edu... • http://www.hair-science.com/ • http://www.economist.com/node/21541808 • http://www.nytimes.com/2003/08/19/sci... • http://www.dermnetnz.org/hair-nails-s... • http://www.huffingtonpost.com/roger-f... • http://www.scientificamerican.com/art...

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