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TIL about NH 96566-KN The First Computer Bug, a moth found in a computer, 1947

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4X7QJ TIL Dr. Charles R. Drew, an African American, developed improved techniques for blood storage, which saved thousands of Allied forces' lives during WWII. In 1942, however, he resigned as director of the first American Red Cross Blood Bank because of their exclusion of African-Americans' blood.
JYLpj TIL the title of the novel "Twenty Thousand Leagues Under The Sea" does not refer to a depth. It refers to the distance covered by the Nautilus in immersion during its voyage. 20k leagues is around 80 000 km. The correct translation of the title is "... under the seas" making the distinction clearer
779p TIL more than half (56.3%) of Vermont citizens consider themselves atheist.
P1l9E TIL A cypress knee is a distinctive structure forming above the roots of a cypress tree of any of various species of the subfamily Taxodioideae, like the bald cypress. Their function is unknown, but they are generally seen on trees growing in standing water
JYjMv TIL that rubber bullets were invented by the British Ministry of Defence for use against rioters in the Troubles in Northern Ireland, first used there in 1970