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TIL Will Smith opened a k-6 grade school with deep ties to Scientology

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QN4b6 TIL the US government tested an air-to-air nuclear weapon and put 5 completely unprotected men directly below it on the ground to show how safe it was.
LkdvZ TIL The film Danny DeVito and Arnold Schwarzenegger each got the most money for was Twins, as they'd negotiated for 20% of box office sales instead of their usual salaries
v16yB TIL that giraffes have valves that control blood flow up and down their necks. Without them they would pass out after lifting their head up from ground level.
OG0EL TIL Duplex stainless steel can undergo 475°C embrittlement that causes a loss of plasticity when it is heated between 250°C and 550°C.
OGkpa TIL about the International Cable Protection Committee (ICPC), which has been around since 1958. With over 215 members from 70 nations, and it promotes the protection of international telecommunications and power submarine cables from human and natural hazards