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TIL Public toilet seats are U-shaped because the American Standard National Plumbing Code writes that they must have a gap at the front.

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OorE4 TIL That serotonin, the neurotransmitter responsible for happiness, can be toxic. When injected into skin it causes extreme pain and is a main ingredient of wasp venom
5QLr TIL that Matt Cvetic, a Pittsburgh steel mill worker, was hired by the FBI to infiltrate the Communist party for nine years. His cover was so good that even his own family didn’t know he was undercover and despised him for his beliefs.
d6V7 TIL The movie “The 13th Warrior”(1999), starring Antonio Banderas and Omar Sharif, bombed and was panned so critically that Sharif temporarily retired from acting
5YbLr TIL: In some Hispanic cultures their version of the tooth fairy is a rat called "Ratón Pérez" or El Ratón de Los Dientes
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