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TIL "Jump Jim Crow" is a song & dance from 1828 that was done in blackface by white minstrel performer Thomas Dartmouth (T. D.) "Daddy" Rice. The term Jim Crow had become a pejorative term for African Americans by 1838 and from this the laws of racial segregation became known as Jim Crow laws

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xWgo TIL A designer of the Titanic was on board when it sank. His original design included features such as a double hull, more water-tight compartments, and twice as many lifeboats but they were overruled. He spent his last moments trying to evacuate passengers, and his body was never recovered.
newp9 TIL Researchers have found a link between pigmentation (melanocortin system) and aggression/promiscuity in animals
vPRwj TIL that “poop sweats” — the hot flashes one can get while excreting — are caused by stimulation of the vegus nerve, which is why diarrhea can trigger the urge to get naked.
X0gxR TIL In 458 BC, Father of the Greek tragedy, Aeschylus was returning to his home in Sicily when, just outside the city, he was killed when an eagle dropped a tortoise onto his head which had mistaken his head for a rock suitable for shattering the shell,
JvWm TIL researchers studied cats viewing photos of various bearded men. Cats viewing long beards exhibited paralysis and signs of severe neurological distress. Researchers concluded cats don’t like men with long beards, are indifferent to short beards, and disturbed/confused by incomplete beards