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TIL that 19% of high school graduates in the US can’t read above a basic level.

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via reddit.com

D1J9Y TIL about the Pistol Shrimp, a crustacean that kills its preys with bullets made out of bubbles. The clicking of its claws are so loud that the US Navy used its colonies as an “acoustic screen” to hide from the underwater hydrophones in Japan's harbours during WWII.
p8n1p TIL that in 2008 Anonymous launched the project Chanology, sending endless loops of black pages to the Scientology church's fax machines to waste ink.
BrAyy TIL: In the 1800's James F O'Connell was marooned on Pohnpei Island where he was coerced into getting tattooed head to toe by the locals. When he was eventually rescued, he joined PT Barnum's Circus as "The Tattooed Irishman" and became the world's first tattooed showman
16GeW TIL that the Pope released a prog rock album
woZX1 TIL allodynia is a term for feeling pain or heightened sensitivity during activities where there typically isn't, such as brushing your hair or gentle pressure of the skin. It usually presents as a symptom of various nerve-related conditions, such as fibromyalgia, multiple sclerosis or migraines.