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TIL Oklahoma (not California, Japan, Chile, etc) Experiences More Earthquakes Than Anywhere Else in the World

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ErPP TIL the United States government is largely responsible for America’s obesity, by supporting corn and soy overproduction, making processed foods derived from those products the only ones affordable for poor americans.
aw49N TIL Louis Braille was blinded as a boy when using an awl. At age 15, also using an awl, he invented a reading system for the blind. It was never adopted during his lifetime, but after his death it grew to worldwide popularity, and is now known as "braille".
5gOR TIL that in most elevators, the close-door button doesn’t work. It’s just a placebo. Press away, friends.
jNX0j TIL that Bob Munden was known as “the fastest man with a gun who ever lived". He could draw, fire, break a balloon target with a blank using a standard weight single-action revolver and return his gun to his holster faster than the blink of an eye
RpG4 TIL that Japan’s power grid is divided into two incompatible parts (50 vs. 60 Hz). This started in the 1890s, when Tokyo bought German generators while Osaka bought American ones.