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TIL - There is a secret room behind Mount Rushmore designed to store US treasured documents

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x6aoo TIL Despite their status as one of the world's largest oil producers, Saudi Arabia is estimated to have less than 100 active oil rigs
ADRQa TIL: Psychologists estimate that 90% of college students procrastinate, and more than a quarter are chronic procrastinators.
jAYM TIL that high-fiber diets work to lower your cholesterol in a roundabout way: by interfering with bile absorption in the intestines. Because the bile can’t get absorbed as well, the bile gets flushed out with your poop, and so the body makes more bile salts, using cholesterol as fuel.
OQba TIL van Gogh actually only cut off his own earlobe, not his whole ear.
R1r1 TIL Cats domesticated themselves 10,000 years ago in the Middle East.