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TIL up to 88% of parents of deaf children never learn ASL.

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kJld1 TIL that study that says men divorce their sick wives was retracted in 2015 for a major error that severely skewed its results ("no response" was classified as "getting divorced" for men). Men do not actually divorce their sick wives at a higher rate than women divorce sick husbands.
rRVyW TIL there are still dry counties in the USA where the sale of any kind of alcohol is prohibited. Some of these, like Moore Country, Tennessee, date back to the passage of state prohibition laws in the early 20th century.
kOgxE TIL The anarchist thinker Peter Kropotkin was a military officer turned geologist. In 1871 Kropotkin explored the glacial deposits of Finland and Sweden. In 1873, he published a map and paper in which he showed that the existing maps entirely misrepresented the physical features of Asia.
xVJ4B TIL about Wittgenstein's poker: During an argument, Ludwig Wittgenstein, brandishing a poker, challenged Karl Popper to name a single example of a moral rule, to which Popper replied 'not to threaten visiting lecturers with pokers'.
KO5b6 TIL a bird that went extinct re-evolved itself back to existence