Vestigial organs: hear a doctor explain every "useless" body part from head to toe
Boing Boing -

I enjoyed this fascinating video where a doctor explains our "useless" vestigial organs and other structures in our bodies.  He explains why we have parts like wisdom teeth, an appendix, the muscles some people can use to wiggle their ears (I've always been jealous of people who can do that), and more. — Read the rest

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