Sleep improves cognitive performance and problem solving.

Your brain forms perception.

Fact #2421 · Psychology

Aerogel, the world's lightest solid, is derived from silica gel with the liquid replaced by gas — it's 99.8% air.

Fact #4896 · Psychology

Confidence can influence perception of competence.

Fact #2937 · Psychology

Your brain creates your entire perception of reality from electrical signals.

Fact #2730 · Psychology

Fire is a plasma — a hot, ionized gas — rather than a solid, liquid, or conventional gas.

Fact #4705 · Psychology

The Dunning-Kruger effect: people with limited knowledge tend to overestimate their own competence.

Fact #3351 · Psychology

Brain efficiency is linked to higher cognitive performance.

Fact #2975 · Psychology

The brain has a 'default mode network' active during rest and daydreaming — involved in self-referential thought.

Fact #6666 · Psychology