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TIL of Chlorine Trifluoride which is a chemical that can burn sand. It is hypergolic with such things as cloth, wood and test engineers, not to mention asbestos, sand, and water.

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wow7M TIL it's estimated that half of the current world population is alive because we are able to make nitrogen fertilizer at an industrial scale using the method developed by Fritz Haber and Carl Bosch.
NXYYP TIL that the earlier dominance of boxer Roy Jones Jr counted against him late in his boxing career against Joe Calzaghe. Calzaghe cut Jones Jr and because Jones’s corner team had never witnessed this before, they were unable to handle it effectively, leaving Jones covered in blood.
WJmA TIL that the word “Orchid” is derived from the Greek word “Orkhis”, meaning “testicle”
9YKvX TIL The reason for Corona's unique smell is due primarily to the clear bottles, as they do not inhibit photo-oxidation as well as amber glass.
PYpZG TIL one of the reasons why President Truman ordered the massive White House renovation in 1950 was that he nearly fell through the floors of his Residence in his bathub into a Daughters of the American Revolution reception in the Blue Room "wearing nothing but his reading glasses".