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TIL The man third in succession for the Presidency of the United States once pried a live grenade from his arm after it had been blown off and then continued to use his machine gun with his one good arm..

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LkJDV TIL that it rains diamonds in abundance on Saturn and Jupiter. These two planets are the largest in our solar system and are filled with gas with extreme negative temperatures that under the effect of lightning produced by thunderstorms produce more than 1000 tons of diamond every year.
ord8 TIL A Roman chariot racer called Gaius Appuleius Diocles is the highest paid sportsman in history. His total winnings earned him around £10bn in today’s money.
W7N64 TIL in mathematics, it is not known whether there are infinite prime numbers of the form n^2 + 1 and it's one of the hardest Landau's problems.
PXve TIL that the original plan for Jurassic World was to have hybrid human-dinosaur mercenaries (check out the disturbing concept art)
M08m TIL the largest Embassy in the world is the U.S. Embassy in Iraq. It cost $750 million to build, employs 16,000 people and costs $6 billion a year to run.