› added 2 years ago

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TIL Pavlov's dog experiment was widely misunderstood because of mistranslation and misconstruction. Pavlov never used a bell to condition dogs to salivate, because a bell was an imprecise control. Instead he used tones, duration of tones and electric shock to study physiological reflexes.

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KO6v9 TIL Russian Navy Officer Vasili Arkhipov was credited with being the single vote that prevented a Soviet Nuclear Strike during the Cuban Missile Crisis.
69E58 TIL the cruise ship MS Oasis of the Seas gets a gas mileage of 437 gallons per mile (gpm), or 12 feet per gallon
5N19 TIL Charles Darwin’s cousin Francis Galton invented the dog whistle, meteorology, forensic fingerprinting and mathematical correlation. He also suggested that principles of animal breeding could be applied to humans, coined the word ‘eugenics’, and came up with the 'nature vs nurture’ idea.
pYPG8 TIL about Pantone 448 C, the world's 'ugliest color'. It is sometimes used for cigarette packaging, after market researchers determined that it was the least attractive colour.
XvmE TIL if a movie extra states 13 or more words in any scene, they must become a contracted actor in that production. [X-post from /r/extrawoods]