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Why Do We Have Baby Teeth?

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Published on Jan 27, 2015

What’s up with baby teeth? Do other animals have them, and what are they good for -- other than squeezing money out of the tooth fairy? We have the answers!

Hosted by: Hank Green
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Sources:
http://www.nhm.ac.uk/nature-online/ev...
http://www.uic.edu/classes/orla/orla3...
http://www.vivo.colostate.edu/hbooks/...

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