There are more possible iterations of a game of chess than there are atoms in the observable universe.

The Stanford prison experiment explored role-based behavior in groups.

Fact #1468 · Science

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

Fact #1594 · Science

The Müller-Lyer illusion makes lines of equal length appear different.

Fact #1464 · Science

The vaccination syringe improved medical delivery methods.

Fact #1576 · Science

Time moves slower in stronger gravitational fields.

Fact #1755 · Science

Fossilized footprints provide evidence of dinosaur behavior.

Fact #688 · Science

Fossilized bones reveal information about prehistoric diets.

Fact #737 · Science

Electric currents create magnetic fields.

Fact #146 · Science