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TIL Volvo designed and patented the 3-point seatbelt. Recognizing the life-saving potential, Volvo eschewed licensing fees and opened the patent for use by any automaker without charge.

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PYlEe TIL that in 67 AD, the Roman Emperor Nero participated in the Olympics, bribing the organizers to postpone the games for a year. Nero won every contest, even one which he left the race after being thrown off his chariot. He was removed from the list of winners after his death.
w5gP TIL: Although the butt of many jokes, Polish Americans on average make $11,000 more a year and are 30% more likely to obtain a college degree than the average US citizen.
Y7VBW TIL The vaquita is the rarest and most endangered animal on earth, with an estimated 6-8 left in the entire world.
JYLvv TIL that when making the movie Avatar, they would film the motion capture from all angles. After the actors are rendered, the director would walk onto the set with a "virtual camera", which would allow him to film as if he were in the CG environment. TL;DR, they filmed using virtual reality.
grPj4 TIL the world record in holding the breath is at 24 minutes 37.36 seconds.