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TIL the farthest the human eye can see unaided: at sea level you can see for just under 3 miles, on Mt. Everest you could potentially see 211 miles, but under a dark sky you can see the Andromeda Galaxy 2.5 million light years away.

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QX9d TIL Frank Sinatra helped as a liaison between the leader of Chicago’s mafia and the Kennedy family during the ‘60 primary, in order to get Union backing. When Kennedy reneged on his promises after being elected Sinatra was punished by having to play 8 straight nights at the crime bosses club.
1ayOP TIL that three songs recorded by Mariah Carey in the period 1991-2 were the subject of successful plagiarism lawsuits. Other artists who have lost multiple plagiarism suits include Led Zeppelin, the Rolling Stones, Madonna and Ed Sheeran.
6E6YZ TIL Chanel's directors were Jewish and that during the Nazi invasion of France Coco Chanel used her position as an "Aryan" to claim sole ownership. The Wertheimers, anticipating the move, turned the control over to a Christian French businessman who, after the war, returned the company to them
AAdl TIL that there’s an unknown object in the nearby galaxy m82 that started sending out radio waves. The emission doesn’t look like anything seen before
OYG4 TIL that a chemistry professor at Dartmouth University died after a few drops of dimethylmercury touched her gloved hand.