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TIL, A moonbow, also known as a lunar rainbow or white rainbow, is a rainbow produced by moonlight instead of sunlight. It's a faint, ethereal arc of light, often appearing white to the human eye due to the low intensity of moonlight, but can reveal colors in long exposure photographs.

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x6vVb TIL about a rock conglomerate called Puddingstone, which consists of colorful rounded pebbles in a cemented matrix. It's said to be named after Christmas pudding, aka "Figgy Pudding," due to its occasional resemblance to the dried fruit dish, especially when polished.
JYLw8 TIL that the melting clocks in Salvador Dali's famous painting "The Persistence of Memory" were inspired when Dali saw the look of a Camembert cheese- a soft French cheese- melting in the sun
6EMoY TIL that pregnancy tests actually existed 3,500 years in Ancient Egypt! It even predicted the gender! Women would urinate on two bags; one filled with wheat and the other barley. If they grew, it means they're pregnant! If the wheat grew faster it's a girl. If the barley did, then it's a boy.
rRmow TIL that actor Adam Devine almost died in 1995, when he got run over by a 42 ton cement truck and went into a 2 week coma.
Q46d TIL there are 169,518,829,100,544,000,000,000,000,000 ways to play the first ten moves in chess.