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TIL that having a relative “removed” defines their generation gap relative to you. So your mother’s first cousin is your first cousin, once removed.

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W7o6N TIL Switzerland has no official capital city
v1GX8 TIL that Mount Everest's Peak XV was calculated to be exactly 29,000 ft, but was publicly declared to be 29,002 ft in order to avoid the impression that an exact height of 29,000 ft was nothing more than a rounded estimate.
w4O1 TIL that there used to be a popular children’s game called “mumblety-peg.” Children would compete to see who could throw a knife into the ground closer to their own feet. The loser had to pick his knife out of the ground with his teeth. Impaling your foot was an automatic win.
9YJLG TIL A leopard gecko's tail houses much of its spinal cord; when grabbed, it detaches, a blood clot forms, radial glia (RG) cells multiply & regrow a tail. Humans lose RGs as adults & scar tissue would block RGs. Scientists believe RGs & bypassing scar tissue are keys to human spinal cord healing.
Aeen TIL There is a vault in the arctic that stores over 860k different varieties of food crop seeds as an insurance policy for the world’s food supply