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TIL That 50% of all material used in reactors in the United States to generate electricity comes from recycled nuclear warheads. 45% of that total are Soviet warheads.

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8a9gV TIL: After a 1979 court case ruled the city could not be held responsible for people tripping and falling on cracked sidewalks unless the city had been previously notified of the hazard, the Trial Lawyers formed a committee to map every crack, pothole, and other hazard in the city and report them.
0vw1 TIL that Steve Buscemi showed up at his old firehouse the day after the 9/11 tragedy in New York to volunteer, worked twelve hour shifts for a week digging through rubble looking for missing firefighters… anonymously.
69Mv7 TIL: China doesn't know how to make a ballpoint pen.
4X4gw TIL After North Korea banned Choco pies, South Korea airlifted 10,000 of them across the DMZ with balloons
GE14 TIL of the island nation of Diego Garcia whose people were expelled by the British in 1971 and forced to live in Mauritian slums, just so that the US could build a military base on the island