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3

TIL about Michel Siffre, who spend over two months in a cave (on more than one occasion) with no timekeeping devices of any kind in order to study how the human brain perceives time.

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vP1V7 TIL USS Red Rover (1859) was a 650-ton Confederate States of America steamer that the United States Navy captured. After refitting the vessel, the Union used it as a hospital ship during the American Civil War.
YoPx TIL All domesticated hamsters are descendents from a single brother sister pair that was found in Aleppo. They were bred in Jerusalem by a guy named Israel.
D1Vve TIL that the citric acid used as a preservative in many foods and beverages is not from citrus fruits, but from black mold.
6E5ZQ TIL Mexico City is 7200 feet above sea level which had a major affect on athletes in the 1968 Olympic games
1aovD TIL Venice banned Kebab Shops to preserve the decorum and traditions of the city. Measures were made to stop fast-food restaurants that were incompatible with the city's heritage.