There are more ways to arrange a standard deck of 52 cards than there have been seconds since the Big Bang.

The human brain operates on about 20 watts of power.

Fact #1737 · Science

Electric currents generate magnetic fields.

Fact #93 · Science

Energy and mass are interchangeable.

Fact #1762 · Science

Dark matter is believed to make up most of the universe’s mass but has not been directly observed.

Fact #1594 · Science

The Earth's inner core is primarily iron and nickel.

Fact #150 · Science

Quantum particles can influence each other instantly across distance.

Fact #1797 · Science

Pterosaurs were flying reptiles, not dinosaurs.

Fact #628 · Science

The Ames room illusion distorts perceived size and distance.

Fact #1490 · Science