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The urge to squeeze or bite something extremely cute is a... | funfact.wiki | funfact.wiki
The urge to squeeze or bite something extremely cute is a real phenomenon called "Cute Aggression." Yale University research found it's a defense mechanism: the brain generates slight negative emotions to counterbalance overwhelming positive feelings — similar to crying tears of joy.
  • Brain
  • Psychology
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Purple does not exist in the light spectrum. When red and blue light simultaneously stimulate the eye, the brain creates this color to resolve the contradictory signals.
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When asked to match 'bouba' and 'kiki' to a round shape and a spiky shape, about 88% of people worldwide assign 'bouba' to the round one and 'kiki' to the spiky one. Called the bouba/kiki effect, this tendency appears even among speakers of unwritten languages and the congenitally blind.
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You can't tickle yourself because your brain predicts outcomes of your own actions and ignores matching sensations. However, schizophrenia patients — whose prediction systems are impaired — can indeed tickle themselves.
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A baseball outfielder does not calculate where a fly ball will land. They simply run while keeping their line of sight to the ball at a constant angle. Falcons hunting ducks use the same method. This instinctive tracking is called the gaze heuristic.
  • Baseball
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In a 1913 experiment, subjects detected whether someone outside their vision was watching them with only 50.2% accuracy—essentially random chance. Our belief we can sense stares is confirmation bias: we remember the hits and forget the misses.
  • Psychology
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