Climber Reinhold Messner was the first to summit all 14 peaks above 8,000 meters, all without supplemental oxygen.

The Stanford prison experiment explored the psychological effects of perceived power.

Fact #992 · Psychology

Optimism bias causes people to underestimate their personal risks.

Fact #3039 · Psychology

Stress can affect physical health as well as mental health.

Fact #988 · Psychology

The cognitive dissonance theory explains discomfort from conflicting beliefs.

Fact #1503 · Psychology

People with higher IQs often recognize patterns more quickly.

Fact #2976 · Psychology

The illusion of control makes people overestimate influence over events.

Fact #1484 · Psychology

Glass is technically neither a solid nor a liquid — it's an amorphous solid, or supercooled liquid.

Fact #6421 · Psychology

The fundamental theorem of calculus connects differentiation and integration.

Fact #6156 · Psychology