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TIL that rubbing your eyes mechanically excites visual receptors in your eye that perceive light, which is why you see spots after

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yVdKe TIL the 1971 Fight Of The Century between Muhammad Ali and Joe Frazier, was the first time that two undefeated boxers who had both held the world heavyweight championship, fought for the championship.
E1vpo TIL about Spinal Track, a nonprofit specializing in giving disabled drivers the opportunity to operate high performance vehicles on a track or off-road. Co-founded by Nathalie McGloin, the only female tetraplegic racing driver in the world
0dXE1 TIL the invasion of Poland and the start of World War 2 were the aftermath of false flag events designed by Hitler to justify the invasion.
Bgoyb TIL Mosquitos kill more humans per year than humans do (homicides)
R57PQ TIL there's Math Teacher posting Hardcore Calculus Math Lessons on Pornhub. Students even pay for some custom lessons.