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TIL that male chimpanzees are less than 0.01% body fat. Very lean human males average 6-9% body fat.

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dDYvE TIL that matches were not created until 1826. As John Walker swirled a pot of chemicals, a lump formed at the end of the mixing stick. He tried peeling the dried chemicals off, burning the stick, and inadvertently creating matches.
x6QO1 TIL Fire Stations are Being Built as Traditional Houses in Some Neighborhoods
RjAl TIL that Simon wrote “The Sound of Silence” in his bathroom, where he turned off the lights to better concentrate. Then he’d play, in the dark, ‘Hello darkness, my old friend / I’ve come to talk with you again’.
Brmme TIL Before dentures were invented, teeth were pulled from the mouths of dead soldiers for use as prosthetics. In the 1780s an ivory denture with human teeth could cost over £100.
N7oO8 TIL that Scheherazade, the storyteller from One Thousand and One Nights tells her stories (Aladdin, Sinbad, ...) to the monarch so that he would stop marrying and killing a new virgin every day after his first wife betrayed him. He had already killed 1001 women when they met.