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TIL dogs are red-green color blind and 20/75 vision

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0wKXA TIL that Poe's Masque of the Red Death was inspired by a masquerade ball held in Paris during the height of a global cholera epidemic. Over 2000 attended, including a man dressed as the Personification of Cholera.
5VVaQ TIL that scientists believe that early human ancestors used to have three eyelids. One of the eyelids eventually became the small fold in the corner of human eyes today.
nekGP TIL that a Japanese TV show apparently hired 3 experts in fluid mechanics, engineering, and dentistry to determine the best way to hold a burger. After 4 months of research, they concluded that your pinkie and thumb should be on the bottom, while the remaining fingers should be on top of the burger.
rv40 TIL NY’s Statue of Liberty is legally married (under Nevada’s laws) to Christopher Columbus monument in Barcelona, Spain.
LK0Q TIL that it was illegal for males to have long hair in Singapore from the 1960s to 1990s, causing long-haired performers such as Kitarō, Led Zeppelin and the Bee Gees to cancel their gigs in the country.