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TIL Playboy founder Hugh Hefner created an award named after him to annually recognize people who protect the First Amendment rights of Americans.

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rNYRx TIL that the 1976 NFL team, The Tampa Bay Buccaneers, by season's end, had 21 players on injury reserve. Of those 21 players, 18 of them required knee surgery.
OooN1 Physics has the answer.
xVNJ7 TIL Quebec engineering students invented a giant vacuum to clean up microplastics from beaches. At about 3 gallons/minute, it sucks sand into a tank which then separates particles by weight, so plastic can be filtered out.
Wlv9 TIL The number of people donating their bodies to science has doubled in the last ten years because funeral costs are so high and most schools will cremate the donated body when they are done and return it to the family at no cost.
oQ6R TIL of the North American X-15, a rocket plane from the 1950’s that achieved the manned airspeed record in 1967 when William J. “Pete” Knight flew it 4,520 miles per hour (7,274 km/h).