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TIL in 1974 sales from McDonald's Shamrock Shake help fund the building the first Ronald McDonald House, which keeps families closer to their children needing hospital visits.

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via reddit.com

Vr5p TIL in 1990 disabled activists got out of their wheelchairs and crawled up the steps of the Capitol, inconveniencing Senators to encourage a vote on the Americans with Disabilities Act.
M7MZA TIL A repairman wanted to get out of work early and intentionally started a fire, causing $700,000,000 in damages to the USS Miami submarine
xV9l5 TIL that the world's primary source of low-background steel (steel produced before nuclear detonations) is the sunken remains of the German High Seas Fleet, which was scuttled after WWI to prevent it being divided amongst the Allies.
N7vE8 TIL that ferns yeet their spores. They have a structure called an annulus that responds to humidity. When they dry out they curl backwards, creating tension, and then snap forwards, ejecting the spores in a yeet-like fashion.
N7bEE TIL that coconuts transported themselves around the world by foating through the sea. This one reason (along with human interferance) that coconuts are so widespread worldwide. So, yes, coconuts do migrate.