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TIL that Eratosthenes calculated the circumference of the earth in 240BC

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0Kxj TIL of Beelzebufo, or “Devil Frog,” a prehistoric frog that weighed 10+ pounds and could have eaten baby dinosaurs.
r7Lo TIL: That in 1996 The New York Times crossword correctly used either candidate of the presidential election as the answer to who would be elected the next day!
Am4a TIL that famous physicist Richard Feynman’s second wife divorced him because he would do calculus “while lying in bed at night.”
4ov5 TIL that in 1962, special, hi-tech locks were added to all U.S. nuclear missiles that would prevent launch without a secret, unique launch code. However, military officials quietly circumvented this safeguard by setting every locK to “00000000”. The codes remained unchanged until 1977.
XEkbD TIL that Jimmy Carter has been alive for almost 38 years since leaving office. This is the longest post presidential time in U.S. History.