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TIL that in 1808 two Frenchmen held a duel in the skies by both riding their own hot air balloon and shooting at each other's balloon

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EgnW TIL there is a vinyl player that uses laser beams to read the sound, thus no deterioration to the record.
oBKVr TIL the Toyota Matrix's odometer has a glitch where it stops 299,999 miles, technically making it a "glitch in the matrix"
x6Ol7 TIL prairie dogs have their own language to communicate incredibly specific information like what color shirt a guys wearing or how fast an animal is approaching. They even have a cute jump-yip that looks like they’re throwing their hands in the air, celebrating when they’re safe from danger
OoNEe TIL That during the Vietnam War, although 30-40K Americans dodged the draft in Canada, 30K Canadians volunteered to fight for the US in the Vietnam War. One even won the Congressional Medal of Honor.
4kEmw TIL researchers recently discovered an Obsidian handaxe-making workshop from 1.2 million years ago in the Awash valley in Ethiopia