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TIL a sign of asymptomatic early kidney disease in diabetics is the development of anemia

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QNgge TIL the Incas had a data storage/sharing device called "quipus" [kee-poos] in which cords of different colors and sizes were used to pass information down through generations by tying knots in them at different intervals. Unfortunately the ability to translate the data has been lost.
oRPX8 TIL Harry Pidgeon, the second person to circumnavigate the globe in a sailboat solo, had virtually no sailing experience and built his boat on an LA beach following instructions from a magazine. The press jokingly called him "The Library Navigator"
KYAkR TIL a policeman William Potts invented the first tri-colour, four-directional traffic signal in 1920 in Motor City (Detroit).
4kBRa TIL about the Wilhelm Gustloff, a German military transport ship which was sunk in 1945 by a Soviet submarine while evacuating civilians and military. 9,400 people died, making it the largest loss of life in a single ship sinking in history
dKWE TIL That a Hard Drive’s data can be viewed with a proper Microscope