The Banach-Tarski paradox proves you can decompose a sphere and reassemble it into two spheres of the same size.

Sound cannot travel through a vacuum.

Fact #136 · Science

Learning involves changes in neural connections.

Fact #986 · Science

The Earth's rotation causes the Sun to appear to rise and set.

Fact #304 · Science

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

Fact #631 · Science

There are more possible shuffles of a deck of cards than seconds since Earth formed.

Fact #1675 · Science

The Ebbinghaus forgetting curve describes memory decay over time.

Fact #1488 · Science

The Stanford linear accelerator helped advance particle physics research.

Fact #1020 · Science

The human eye can detect a single photon.

Fact #1706 · Science