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TIL that sparkling ring or disk is sometimes produced by rotary-wing aircraft when operating in sandy conditions, particularly near the ground at night

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YVar TIL that pistol dueling with wax bullets was a popular pastime in the early 20th century and even featured as a sport in the 1908 Summer Olympics
JYbOB TIL Jimmy Page had an affair with a 14 year old girl who lost her virginity to David Bowie
750P TIL that when the Nazis forced Jews to wear yellow stars during WW2, it backfired. Doing so increased sympathy for the Jews, who were (contrary to Nazi propaganda) obviously not responsible for how badly the war was going. People began tipping hats to Jews as a symbol of anti-German resistance.
KOmoJ TIL That Mariska Hargitay's (who plays Olivia Benson L&O: SVU) mother was Jayne Mansfield, one of the most famous sex symbols in America.
9wl6Q TIL Some people eat grapefruit with a grapefruit spoon, a serrated spoon used to separate the flesh from the rind.