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TIL the Devils Tower was the first declared United States National Monument, established on September 24, 1906.

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QJjv6 TIL Mae Jemison, the first woman of colour to go into space, suffered from a fear of heights before embarking on the astronaut training that eventually led her to the Space Shuttle Endeavour in 1992
GQ57 TIL that one of the earliest surviving pornographic films, called El Satario, features three young women bathing in a river having sex with each other, and then the devil appears and one of the women has oral sex with the devil.
awN4L TIL The Anthropocene is the newest Epoch and is defined by human impact on the geologic record. The two major proposed markers for the Epoch are nuclear fallout/products and chicken bones. Chickens were domesticated 8ka but the modern broiler is easily distinguished in modern human settlements.
OJZX TIL a graduate student invented a leaf made of silk that produces oxygen.
D1QYD TIL that the country with the highest female to male ratio of Primary School enrollment is Iran with a ratio of 1.223