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TIL skid marks are not caused by pieces of rubber from the tire being deposited on the road. Skid marks are actually bituminous oils in the asphalt that are heated because of the friction of braking or accelerating rising to the surface, leaving dark marks.

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Ne61 TIL That as a child Ringo Starr had such poor health he was committed to a sanatorium for two years. When he got out at age 13, he was so far behind in school that he never went back.
WkmaY TIL That a study had participants eat cookies labeled as regular and organic. Participants preferred the organic option based on taste and thought the cookie must be lower in fat and calories. They were also willing to pay more for the organic one. The two cookies were 100 percent identical.
QJW5e TIL in 1974 Egypt issued a passport to Pharaoh Ramses II. He died more than 3,000 years ago, but his mummified body needed a passport to fly to Paris for some repairs. On that special Egyptian passport, the pharaoh’s occupation was listed as "King (deceased)."
edmJ TIL that certain types of contact lenses worn only during sleep reshape your cornea. After taking them out in the morning, your vision is as good as it would be while normally wearing contacts or glasses. Studies also suggest the lenses slow or stop myopic progression in children.
YpoOG TIL at 2002 Winter Olympics in Salt Lake, Canadian ice makers secretly hid a loonie (dollar coin) at center ice of the hockey rink. After both Canadian men and women hockey teams won gold, the "lucky loonie" was put in the Hockey Hall of Fame. Canadians still hide coins at the Olympics for luck.