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TIL Bhutan is the only country with a negative carbon footprint

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0Qlp TIL that President Andrew Jackson once killed a man in a duel over his wife’s honor
BrNDK TIL clocks run from left to right because in the Northern hemisphere that's how sundials cast shadows (bonus: in an attempt to recover their cultural identity, Bolivians installed an anti-clockwise clock in their Congress building)
MeJJa TIL of the IMCF, a sport in which people dress in full medieval armor and fight each other in an arena with a shield and (blunt) swords
GY4rj TIL that sunglasses were invented originally in 12th century China so that judges could conceal their eyes while interrogating witnesses.
mxjWE TIL that Genghis Khan had more than 1,000 affairs during his lifetime, making every 1 in 200 men related to him...