A spoonful of a white dwarf would weigh about 5 tons.

Nothing can travel faster than light in a vacuum.

Fact #1834 · Science

Nothing can travel faster than light in a vacuum.

Fact #1777 · Science

The discovery of blood types improved transfusion safety.

Fact #1226 · Science

The human eye can detect a single photon.

Fact #1706 · Science

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

Fact #1594 · Science

Ants do not have lungs and breathe through small openings in their bodies.

Fact #351 · Science

X-rays were discovered in 1895 and transformed medical imaging.

Fact #1194 · Science

The Earth's magnetic field is generated by its outer core.

Fact #331 · Science