Sonoluminescence is the phenomenon where ultrasonic sound waves in liquid cause tiny bubbles to implode and emit flashes of light.
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IQ tests measure specific cognitive abilities, not all intelligence.
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Sleep deprivation after 24 hours produces cognitive impairment equivalent to a blood alcohol level of 0.10%.
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The Ames room illusion distorts perceived size and distance.
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Depression is the leading cause of disability worldwide, affecting over 280 million people.
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Confirmation bias causes people to favor information that supports their existing beliefs.
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The placebo effect can produce real physiological changes.
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The anchoring bias causes people to rely too heavily on the first piece of information they encounter.
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Overconfidence bias is the most robust finding in judgment psychology — people routinely overestimate accuracy.
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