› added 6 years ago

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TIL riding roller coasters can help people pass kidney stones. Sitting in the rear proved to be most effective at increasing passage rates

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7e5r TIL the Olympic flame in 1976 traveled by radio waves to a laser that lit the cauldron.
R7p8w TIL that wet plate photography cannot pick up certain tattoos. This ended up erasing a large part of Māori culture from history.
d896E TIL 2 of the 5 worst days in stock market history have happened in the last week.
nWy07 TIL that Phantom Islands appeared on maps but later found not to exist. They often stem from early sailors' reports, navigational errors, or deliberate fabrications, and some lingered on maps for centuries before being debunked.
5VQjQ TIL the word dumpster wasn't added to the Scrabble dictionary until 2022 due to it being a trademark before.