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TIL Health Canada's Health Survey found that more than 85 % of Inuit preschoolers have cavities or other kinds of decay in eight of their baby teeth, on average. Almost 98 % Inuit adolescents have tooth decay and 73 % of older Inuit adults who were surveyed needed some kind of dental care

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dEnE TIL The Curiosity rover has Morse code embedded into the tread on its wheels.
9Ye86 TIL the moment Gerald Ford was sworn in, Nixon was on Air Force One flying home. Because he was no longer President, the airplane's call sign was changed mid-flight from Air Force One to SAM 27000.
D1GEY TIL a man named Curtis Flowers has been tried SIX times for the SAME murder charge, currently awaiting his SEVENTH trial on death row, and it DOESN'T fall under the Double Jeopardy clause
wM66 TIL the Third Reich devised the idea of carrying the Olympic torch through a relay system
bodE TIL that NASA did not actually spend $12 billion on a Space Pen while the Russians used a pencil.