› added 8 years ago

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TIL that James Audubon, painter and founder of the conservationist Audubon society, killed every bird he painted.

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0BmN TIL that in pre Civil War South Carolina, U.S. congressmen were required to own at least 10 slaves to run for office.
J11ak TIL parasitoid wasps, which inject their eggs into caterpillars and eat their still-alive hosts from within when they hatch, so disturbed Charles Darwin that it shook his belief in a benevolent and loving God.
Ypodd TIL that Mt. Washington in New Hampshire claims to have "the world's worst weather," averaging 110 days per year with hurricane-force winds and the record for wind speed not associated with a tornado or tropical cyclone (231 mph)
8a7oZ TIL that Louis Armstrong wore a Star of David pendant for most of his life, up until the day he died, to commemorate a Jewish family that had taken him in and cared for him as a child.
QJe7E TIL the difference between detonation and deflagration. Detonation is a supersonic chemical reaction in the explosive. Deflagration is a subsonic chemical reaction diffused by heat.