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303

TIL Thomas Jefferson invented the swivel chair.

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XKQQ TIL some ducks have been observed floating through tidal rapids or fast-moving sections of rivers, and when they’ve reached the end, hurrying back to the beginning to ride over and over.
9wP4m TIL Cobalt is named after kobolds (tricksy, sometimes malevolent spirits): the ore was called goblin/kobold ore due to giving off poisonous arsenic fumes when smelted.
VBN6G TIL Jasmine is a flower, not a gemstone. I'm not sure why, but I always thought it was a gemstone.
P1lkV TIL of Aaron Mitchell, a man who tried to kill himself by running into a large fire at Burning Man in 2017. He was pulled from the fire and died several days later.
wLQYE TIL that in 2018 a 4-year-old Pennsylvania boy was summoned for jury duty. He explained he had preschool that day and so could not serve.