Heart disease is the leading cause of death worldwide — accounting for 32% of all global deaths.

The peacock’s colorful feathers evolved through sexual selection.

Fact #882 · Science

Nothing can travel faster than light in a vacuum.

Fact #1777 · Science

There are more possible chess games than atoms.

Fact #1694 · Science

The Stroop effect demonstrates how conflicting information can slow reaction time.

Fact #1463 · Science

Nothing can travel faster than light in a vacuum.

Fact #1739 · Science

The development of anesthesia made complex surgery possible.

Fact #1190 · Science

The Stanford marshmallow experiment studied delayed gratification in children.

Fact #990 · Science

The introduction of birth control pills transformed reproductive health.

Fact #1223 · Science