› added 7 years ago

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TIL that in 1939, George Dantzig, arrived late for class and assumed that the two problems written on the board was a homework assignment. When turning it in, he apologized for taking long to finish; it turned out that he had solved two estwhile unsolved / unproved problems in statistics.

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WkOBY TIL that during their migration, a hummingbird's heart beats up to 1,260 times a minute, and its wings flap 15 to 80 times a second.
QNNE6 TIL That red, irritated eyes after an swimming in a pool isn't just from the chlorine. The reason for eye redness and irritation actually comes from the combination of chlorine AND pee. This combination creates Trichloramine, which is toxic and explosive.
d8RYj TIL about one of the rarest plays in (American) football: The “Fair Catch Kick”. After a team calls a fair catch, they can opt to attempt a free kick from the spot of the catch to try for a field goal. Adapted from Rugby, only 24 recorded regular game attempts with 6 successes.
Qw9d TIL that when John Cougar was told he had to lip sync for a TV performance he and his band protested by appearing on stage with the wrong instruments
v14D7 TIL the color of the Sun is a composite of all visible frequencies of light which makes it perfectly white. We see it yellow because of the Earth's atmosphere. In space the sun looks white.