› added 4 years ago

85

TIL that the minimum number of filled in spaces needed to solve a standard sudoku is 17

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9nKX TIL tap water from ancient Rome likely contained up to 100 times more lead than local spring water. Some historians link fall of the Western Roman Empire to lead poisoning
dDZnB TIL famed physicist Richard Feynman donated "93 boxes" of papers and writings to Caltech, which has never digitized any of it and will only provide access physically in the reading room of the Caltech Archives to qualified researchers. Caltech holds no copyright on the work.
N8MJ TIL that the deepest layer of the ocean, the hadopelagic zone, is named after the realm of Hades, the Greek underworld. This ranges from 6000m (3.7 miles) deep, down to the very lowest reaches. Populations are sparsest here, and are believed to be sustained by marine snow and thermal vents.
lonrK TIL a farmer hid the construction and existence of a 4-bedroom castle under a huge pile of hay bales for 6 years. When he thought he’d outlasted the statute of limitations, he unveiled it to the public, the city council found out, and immediately ordered its destruction.
QJax6 TIL more Male babies die yearly than Males who are 100. Also, 85ish seems to be real avg life expectancy.