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TIL Thomas Edison did not invent the light bulb. A Canadian by the name of Henery Woodward did and sold Edison the patent, Edison simply made a few minor tweaks to the invention and stole all the credit.

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DJPv TIL that the Korean Demilitarized Zone has seen so little human activity, that several critically endangered species survive there.
9arX TIL men had to swim nude in all grades of public school gym class up until the early 1970s.
bGvZ TIL “Where the Wild Things Are” was originally going to be “Where the Wild Horses Are” until Maurice Sendak started working on it and discovered he couldn’t draw horses
OKe4 TIL that research indicates black americans really do tip waiters less than whites americans, but likely as part of a cycle: waiters resist serving African Americans, or they provide poorer service, which discourages blacks from patronizing table-service restaurants.
ANgW4 TIL in 1971, after the 2nd lunar EVA of Apollo 15, Commander Dave Scott found his NASA-issued watch had broken. He switched it with a prototype watch that he had been given as a back up. The only personally owned watch used on the moon's surface, it was auctioned in 2015 for $1.6 million.