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TIL The cheapest toll ever paid to cross the Panama Canal was 36 cents. It was paid by Richard Halliburton in 1928 so that he could swim the length of the canal.

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via reddit.com

kO0v7 TIL According to NASA, "...a one- to two-degree drop [in the global temperature] was all it took to plunge the Earth into the Little Ice Age. A five-degree drop was enough to bury a large part of North America under a towering mass of ice 20,000 years ago."
wrrM TIL of Louis Slotin, a scientist who died while working on the Manhattan Project. He accidentally dropped a hemisphere of beryllium on a plutonium core; witnesses saw glowing blue light and felt a heat wave. He died nine days later. The plutonium core was later nicknamed the “demon core”.
oRKaK TIL that there are 3 borders between U.S. states over which there are ongoing disputes
yJpv TIL Lenin’s dead body is bathed and dressed in new clothes every year. His tomb is in center of Moscow open to public, despite his death wish to be buried next to his wife
BNDd TIL Puerto Ricans are voting today as to whether or not to become the 51st state.