We are drawn to symmetrical faces because symmetry signals good developmental health and genetic fitness.

The foot-in-the-door technique shows that people are more likely to comply with large requests after small ones.

Fact #6324 · Psychology

Music therapy measurably reduces pain, anxiety, and blood pressure in clinical settings.

Fact #5829 · Psychology

The placebo effect can measurably reduce pain, improve Parkinson's symptoms, and even shrink tumors in some cases.

Fact #5357 · Psychology

The amygdala processes fear and emotional responses and can trigger the fight-or-flight reaction in milliseconds.

Fact #4603 · Psychology

The brain is 73% water — even mild dehydration can impair cognitive performance.

Fact #4133 · Psychology

Urdu and Hindi are mutually intelligible in speech but use entirely different scripts — Nastaliq and Devanagari.

Fact #4924 · Psychology

Terror management theory suggests much of human behavior is unconsciously driven by fear of death.

Fact #6307 · Psychology

Sleep improves cognitive performance and problem solving.

Fact #2977 · Psychology