› added 5 years ago

103

TIL that NASA investigates giraffe blood system to improve suit for astronauts.

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Z81Mp TIL Some trees growing in tropical rainforest do not have annual growth rings due to lack of seasonal changes (winter/summer or dry/wet).
J1D4 TIL a man sued his wife for being ugly and won
R5Z66 TIL the FDA requires sunscreen to remain as effective for three years after it's manufacture
1aYBr TIL that prohibitionist president Rutherford Hayes held dinners at the White House with punch that was rumored to be spiked with rum by the staff. The truth was that Hayes himself had spiked the punch with non-alcoholic rum flavoring.
epawJ [TIL] Prior to December 22nd 1942, US Citizens pledged allegiance to the flag using the stiff armed Roman salute made infamous by Nazi Germany.