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TIL Obsidian can be made into surgical scalpels by flint knapping, creating an edge only one molecule wide and the edge is so smooth and sharp it can cut between cells.

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dvg9 TIL that 70% of Americans either hate their jobs or are completely disengaged from them
JPOj TIL that all Germans who are officially registered as Catholics, Protestants or Jews pay a religious tax of 8-9% on their annual income tax bill
epeDk TIL Rolex is a non-profit organization that isn’t required to disclose earnings or pay taxes 😏
VMxGm TIL: After surviving Auschwitz, Lili Jacob discovered the album containing these photographs in a drawer of a bedside table in an abandoned SS barracks while she was recovering from typhus. Had she not found that album we wouldn't have a visual sense of the selection process
dZwE TIL John Kellogg, inventor of Corn Flakes and founder of the Kellogg company, worked tirelessly to “reform masturbators” by wrapping their genitals in sharp wire to prevent arousal, burning their genitals with acid to desensitize, and circumcising small boys without anesthetic, among other things