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TIL that astronaut Chris Hadfield was temporarily blinded in 2001 during a spacewalk. He was blinded by a drop of a mixture of oil and soap solution that got in his eye. The solution is used to keep the visors on an astronaut's helmet fog-free.

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oBVgr TIL that tint is a mixture of a color with white, which reduces darkness, shade is a mixture with black, which increases darkness, tone is produced either by mixing a color with grey (or by both tinting and shading), and hue is how much red, blue and yellow it has.
LN79 TIL Kim Sa-rang, a 3-month-old Korean child, died from malnutrition after both her parents spent hours each day raising a virtual child on an online game, Prius Online.
D1B0j TIL that the writer Anaïs Nin was bigamously married and kept the two husbands secret from one another. She had a “lie box” to keep track of the stories she told both husbands. Some twenty years later, she revealed the secret and both men forgave her after they learnt she was dying from cancer.
xVWp0 TIL: During the filming of The 3 Stooges second anti-Nazi comedy film "I'll Never Heil Again", Moe Howard has rushed from the set wearing his "Hitleresque" costume to get to his daughter's birthday party. Bystanders have reported that Hitler was running red lights to the LAPD.
wLaY8 TIL that the word "jaywalker" was invented by automobile manufacturers and enthusiasts from the word "jay" which was then slang for country bumpkin or rube. Earliest uses actually referred to "jay drivers," but automobile interests successfully transitioned the blame to pedestrians.