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160

TIL that the city of Detroit sits on top of a working salt mine, and that the mine has provided road salt for most of North America since 1910.

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VMl4Q TIL A neutron star is so dense that a matchbox sized portion of one would weigh 3 billion tons.
JKD8 TIL that “antisocial” is commonly used as the term to describe the enjoyment to harm, show disregard to, or be hostile towards organized society. “Asocial” is the correct term for simply not enjoying being with people and/or interacting with them.
PYpLO TIL about solved games. Solved games are games whose outcome can be correctly predicted from any position, assuming both players play the best possible moves. Tic-tac-toe is easily solvable. Chess may never be fully solved.
5VoZr TIL that the largest volcano in our solar system, Olympus Mons on Mars, is about 13.6 miles (22 kilometers) high—nearly three times the height of Mount Everest—and is so wide that its base would cover the entire state of New Mexico.
Wkgdd TIL that, once the Civil War began, Confederate general Robert E. Lee's plantation outside Washington DC was repurposed by the Lincoln administration to house a camp for escaped slaves. It contained a school, hospital, and cemetery, and it is now the site of Arlington National Cemetery.