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TIL that before any baseball is used in a Major League Baseball game, it is rubbed with a special mud called "Lena Blackburne Baseball Rubbing Mud". The ball must be rubbed for at least 30 seconds to take the shine off it, but without damaging the surface.

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YpB6B TIL A pedestrian scramble is a type of traffic signal movement that stops all vehicular traffic, allowing pedestrians to cross an intersection in every direction, including diagonally, at the same time. Research shows it can reduce pedestrian casualties by 38%.
GeGQ TIL a newly detected fracture suggests that tectonic forces are pulling the continents together once again.
G7jJ TIL that after the great Chicago fire, England donated a library’s worth of books to replace the ones that burned. What England didn’t know, however, is that Chicago did not have a library before the fire.
WljL TIL that Americans use and discard 500 million straws a day, an amount that would fill 125 school buses.
p8A1A TIL When a 39-year old James Watson lectured at the Lindau Meeting in 1967, he was the second youngest Nobel Laureate to do so. The youngest, Rudolf Mößbauer, Nobel Laureate in Physics 1961, gave his first Lindau lecture at the unusually low age of 36