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TIL: Arctic means "Bear", and Antarctic "No bear", because the Big Dipper, "the greater she-bear", is always visible in the northern pole sky. The fact that there are Polar bears in the Arctic but not in the Antarctic continent is purely a coincidence.

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b6M4E TIL that Tea clipper Cutty Sark is named after a character of the poem: Tam O’Shanter by Robert Burns. Where the witch, Nannie wears a cutty sark (short nightgown).
kLy1 TIL that Mongols under the rule of Genghis Khan pulled the bowstrings of their bows back with their thumb instead of using a “Mediterranean draw” with three fingers, so to protect their thumbs, the Mongols invented a “thumb ring”
nOao TIL a squadron of F-22 Raptors, the most advanced fighter jet in the world, suffered computer crashes due to crossing the international date line
Wk5M9 TIL while modern Icelanders' paternal ancestry is primarily (75%) Norse, most of their maternal ancestry (62%) is from Scotland/Ireland
VbWD TIL when negotiating with Americans in the 1850’s, the Japanese leader inflated his title from Shogun (meaning “general of the army”) to Taikun (meaning “great prince/lord”). The title then entered the English language as “Tycoon,” and was adopted as a nickname for Abraham Lincoln by his staff