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TIL that if a billiard ball and the earth were the same size, earth would be smoother than the ball

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5YLlp TIL: That unexposed photography negatives can be stored without damage for 100+ years
eLw5 TIL In 2004, the Parisian police in an uncharted area of the Paris Catacombs, found a secret room with a stocked bar and restaurant. They returned to trace the installed power and phone lines to discover they had been cut, with a note left behind reading, “Do not try and find us.”
epVkD TIL that vending machines are more likely to kill you than a shark attack
6wA8 TIL of the Mallows Bay ghost fleet, a massive group of US WWI ships intentionally sunk in the Potomac River, about an hour’s drive from Washington, DC. Along with other wrecks in the immediate area, some 200 ships dating back to the Revolutionary War can be found there, many visible from the shore.
Z8Xk4 TIL in anatomy, the atlas (C1) is the most superior (first) cervical vertebra of the spine. It is named for the Atlas of Greek mythology, because it supports the globe of the head which is the skull. The atlas is the topmost vertebra and with the axis forms the joint connecting the skull and spine.