The brown note — a mythical infrasound frequency that causes involuntary defecation — has never been demonstrated.

Light travels at approximately 299,792,458 meters per second in a vacuum.

Fact #21 · Science

The discovery of insulin earned a Nobel Prize in 1923.

Fact #1207 · Science

Atoms are made of protons, neutrons, and electrons.

Fact #60 · Science

There are invisible particles everywhere.

Fact #1724 · Science

Fossils are formed when remains are preserved in rock over millions of years.

Fact #631 · Science

The extinction of the dinosaurs allowed mammals to diversify.

Fact #751 · Science

Fossilized bones reveal information about prehistoric diets.

Fact #737 · Science

The vaccination syringe improved medical delivery methods.

Fact #1576 · Science