This video from Vox that shows proof of evolution as evidenced through changes to our bodies is mesmerizing. It's going viral and it's not hard to see why. Bodies are wild and amazing and so smart! Three cheers for freaky vestigial structures! I can't wait to see what our bodies get rid of next; I vote for menstrual cramps!
This article originally appeared on Cosmopolitan.com. Minor edits have been made by the Cosmo.ph editors.