› added 2 months ago

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Today I learned that if you use nasal sprays for more than three days, you experience a rebound affect, which is something somewhat like an addiction, in that you are no longer able to breathe normally without it

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a8Geo TIL In 1855, a Portuguese writer who didn't speak English wrote a book in English full of unintentional errors. The book ended up being famous, with a version prefaced by Mark Twain.
QJ4Ya TIL in 1700 King Louis XIV was the 1st king to tax the upper classes in French history as prior to this the rich would receive tax exemptions from previous kings
Qp76 TIL that John Dee, a courtier and spy of Queen Elizabeth I, would sign his name as “007” when sending coded messages back to her.
YpxNG TIL of the Machine Identification Code. A series of secret dots that certain printers leave on every piece of paper they print, giving clues to the originator and identification of the device that printed it. It was developed in the 1980s by Canon and Xerox but wasn't discovered until 2004.
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