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TIL that DOS (as in MSDOS of Microsoft Windows) was originally an acronym for "Dirty Operating System"

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Myr7 TIL that archaeology shows humans living in the Americas long before the formation of the Bering Straight Land Bridge.
kO4Dg TIL There are 33 Shakespeare gardens in the world that only cultivate plants which were mentioned in the works of William Shakespeare
dDkpZ TIL that the African American Heritage Flag, created in 1967, represents the black experience in the United States. The wreath represents peace and prosperity, the blunted sword is a symbol of pride and knowledge, and the colors stand for blood shed for dignity and "pride in our pigmentation".
X0p6Q TIL that some of the characters on the TV series Doug are unusual colours like green and purple because creator Jim Jinkins solidified the characters' early designs with friend David Campbell at a small Mexican restaurant, and Jim was in a "margarita stupor".
nemGB TIL that the neurons in an octopus are not concentrated in the brain - 2/3 of them are located in the tentacles meaning that each individual tentacle acts autonomously and independently of the brain. However, an octopus can exert precise control over a tentacle when need be through eyesight alone.