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TIL When a giant Asian hornet enters a Japanese honeybee’s hive, hundreds of bees emerge to form a violently-vibrating ball around it; the frenzy increases CO2 levels & the temperature to 115°F, which together are lethal to the hornet but not to the bees which can withstand up to 122°F.

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9YxYm TIL that in N.A.S.A.'s management training programs, new managers are shown the film Armageddon(1998) and are given the task of trying to spot as many errors as possible. So far, at least one hundred sixty-eight have been found.
PYpDZ TIL that in the Vietnam War, the Americans fired 50,000 bullets for each enemy killed
J1LLB TIL a scene from The Color of Money, a movie that follows a trio as they hustle at pool halls while making their way to a nine-ball tournament in Atlantic City, and sequel to the 1961 film The Hustler, inspired the name for Doom, a popular first person shooter created by id Software in 1993.
6EJPW TIL about the fictional South American country of "Poyais," created by scam artist Gregor MacGregor in 1821. He invented a diverse economy, a government, a history, a bustling capital city, and even set up embassies in European cities. He made millions scamming investors and enthusiastic immigrants.
a8jn9 TIL that bowling balls used to be made with asbestos in an effort to dispose of by-product waste from brake pad manufacture.