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TIL Bluejays can make a wide variety of calls similar to hawks, ducks, and even gurgling sounds?

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RbWa TIL that someone build a working hydrolic computer to simulate an economic model, with water flow to represent money flow
o1XL TIL that Canada qualified for the FIFA World Cup only once: in 1986. It placed 23rd out of 24 teams.
rol1 TIL having an O blood type makes you twice as likely to attract mosquitoes than people with A blood type. B blood types fall in the middle of the spectrum.
GAeQ TIL the Ramones took their band name from the pseudonym Paul McCartney would use when checking into hotels, Paul Ramon.
dD7wE TIL That there were pilotless drones as early as the 1950's and one inadvertently caused multiple incidents of civilian property damage, near civilian misses, and a 1,000 acre forest fire while the US Air Force struggled to shoot it out of the sky.