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TIL that one of the closest times mankind has been to nuclear war was in the 1950s when, among other things, US intelligence received reports of an identified flying object over Turkey- which was later identified as a wedge of swans

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1a8o4 TIL Mosquitoes caused the death of almost half of all people who have ever lived
mnyp TIL that the brains of London cab drivers undergo large structural changes because of the massive amount of knowledge they must memorize.
GAXBG TIL of the Braess paradox wherein overall traffic flow through a road network may decrease when more roads are added.
x8Mg TIL distance-running has skyrocketed in popularity 3 times in modern history, each time in the midst of a major crisis: during the Great Depression, in the 1970s during a recession, race riots, assassinations, and Vietnam, and 1 year after 9/11 it became the fastest-growing outdoor sport in the US.
Gyl4 TIL a young man took Shrooms went on the Price is Right, told Drew Carey he was a Skateboarding Rabbi and won a Diamond Ring!