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TIL All Feature Films Actor John Cazale Appeared in During His Life Won Best Picture, Except One—The Conversation— Which Lost to The Godfather Part II, in Which He Also Appeared

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D1wyv TIL that breathing 100% pure oxygen for more than 16 hours can lead to irreversible lung damage, damage to the retinas, and eventually, death.
EPY0 TIL that McDonald’s revealed their big Mac sauce recipe online
Z8xWa TIL that diamond, despite being the hardest material known, will shatter if hit with a hammer. Hardness means resistance to scratching; toughness is a different property.
gkX7 TIL that, when Genghis Khan died in 1227, he ordered his burial site to be kept a secret. To this end, his heirs slaughtered anyone who set eyes on his funeral procession. They buried him in an unmarked grave and to this day no one has found him.
G6oQ TIL the Mongols once built a large wooden platform and forced six Russian princes to lay down underneath it. The Mongol generals then held a feast on the platform, crushing the Russians to death.