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TIL The pistol shrimp closes its claw so quickly that it sends a shockwave of bubbles that burn as hot as the sun and generate 80 kPa of pressure, stunning or killing fish. The shrimp can even interfere with sonar and underwater communication.

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m1awx TIL River Phoenix, the actor who played Chris Chambers in the 1986 film, Stand By Me was supposed to play Jack Dawson instead of Leanardo DiCaprio in Titanic before his overdose death in 1993
R5VQw TIL Kwanzaa was created in California in 1966
Llav TIL, during the filming of Charlie’s Angels, Bill Murray stopped, pointed to Drew Barrymore, Cameron Diaz and Lucy Liu, and said in order, “I get why you’re here. And you’ve got talent. But what in the hell are you doing here? You can’t act.” Liu then punched him until the crew separated them.
9wLxD TIL: Women are more than three times as likely as men to get migraines. This is a result of hormonal differences, which begin at the onset of puberty. Both girls and boys experience migraines at the same rate as children before differences begin at the onset of puberty.
4k9Ka TIL that the plumber wrench and the adjustable wrench were both invented by the same person, a Swede from a family of tenant farmers.