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166

TIL Elvis had a dead twin

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xXw7 TIL The “magic number” of people needed to create a viable population for multi-generational space travel has been calculated to about the size of a small village - 160.
yVKvv TIL Ancient Romans used to whiten their teeth with pee (& made toothpaste using urine and powdered cow hoofs)
9wbJ7 TIL that the terrifying velociraptor screeches in Jurassic Park were actually recordings of tortoises mating. Sound designer Gary Rydstrom revealed that the iconic raptor barks came from a tortoise making love, joking that if people knew the truth, Jurassic Park would have been rated R.
woO6 TIL a mentally imbalanced man named Joshua Norton in the mid-1800’s declared himself “Emperor of the United States.” The people of his town were so amused that they respected his authority, doing things like actually taking the fake money that the “Emporer” issued in his own name.
P1jZg TIL When Emperor Augustus visited the tomb of Alexander the Great, he allegedly accidentally knocked off a piece of Alexander’s mummified nose.