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TIL that one in 18 people have a third nipple. Known as polythelia, the third nipple is caused by a mutation in inactive genes.

Read more sciencefocus.com

via reddit.com

w0lM TIL the letter “G” was originally invented by the ancient Romans as a variant of the letter “C”, which was then used to make both “G” and “K” sounds
6Ey7Z TIL Potoo birds are the most divergent of any other species of birds, being so ancient that fossils of them can be found from 40 million years ago. This suggest they are one of the oldest species of birds.
KKAw TIL when a diner called a gay couple “fags” and asked them to leave, online activists made it the most highly rated gay bar in Texas using Yelp reviews
9MVp TIL ancient Egypt had many medical specialists, including proctologists which were called “shepherds of the anus”.
GYxL5 TIL Alec Baldwin, Marilyn Monroe, Clint Eastwood, Sally Field, Richard Gere, Katherine Hepburn, and Ashley Judd are all descendants of original Mayflower settlers.