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TIL that the personality domain of "Openness to Experience" (which includes openness to new ideas, tolerance of different ways of life, and appreciation of art and music) is strongly associated with higher levels of intelligence

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8alK8 TIL WW2 Black Sheep Squadron member Bill Case cheated death by randomly lowering the seat in his cockpit. In battle, a bullet from a Japanese Zero hit his cockpit and bloodied his scalp. If he had been sitting an inch higher, he would be dead. He went on to live another 52 years.
E11gd TIL an American woman never learned what happened to her husband, whose plane was shot down over Les Ventes, France during WWII. She finally got her congressman to reopen his case in 2011. She was shocked to learn the town had been memorializing him and his sacrifice for 67 years.
OOAL TIL concrete can be made translucent by incorporating optical fibers in merely 4% of its volume. The material feels and behaves just like concrete, but allows light to pass through.
D1EDg TIL That there is a manga with a parody of the Russian President as the protagonist, getting isekaied (transported) to a magical world and his adventures there.
loaKV TIL that the set of Hogan's Heroes was burned down for the ending of an unrelated film because it was cheaper than having the set demolished