Superfluids flow without viscosity — liquid helium at 2.17 K climbs container walls and escapes.
Fact #9019
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The Ames room illusion distorts perceived size and distance.
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Phobias can be transmitted culturally — children model fear responses from observing caregivers.
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The planning fallacy causes people to underestimate how long tasks will take — even when they know about the bias.
Fact #5035 · Psychology
Intrinsic motivation produces better long-term performance than extrinsic rewards.
Fact #6326 · Psychology
Intrinsic motivation produces better long-term performance than extrinsic rewards.
Fact #6138 · Psychology
The 'doorway effect' is a real cognitive phenomenon — walking through a door triggers your brain to partition memories, causing you to forget why you entered a room.
Fact #3585 · Psychology
The Dunning-Kruger effect describes how incompetent people often overestimate their ability while experts underestimate theirs.
Fact #3580 · Psychology
The average person makes about 35,000 decisions per day, the vast majority unconsciously.
Fact #6098 · Psychology
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