› added 10 months ago

55

TIL How digital payments work, and god its complex.

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GYB9Q TIL the people of Africa have more genetic diversity than the rest of the world combined.
JYEd8 TIL the nurse,Caroline Hampton, helped popularize surgical gloves. She almost quit her job as a surgical nurse at John Hopkins due to severe hand eczema caused by surgical disinfectant until her boss bought her custom rubber gloves. Other staff members copied this and found they made work easier.
Mla0 TIL That in the 1700’s, eating lobster was considered a mark of poverty and that people would bury the shells to hide the fact that they were eating it
rN6P0 TIL that rapidly unwinding a roll of Scotch tape can generate x-rays due to the triboelectric effect
N7GnQ TIL that in the 1800s, one of the most popular sports in the world was distance walking which attracted huge crowds and gambling. Thousands of spectators would turn up to watch challenges such as walking 1,000 miles in 1,000 hours.