The brain's hippocampus shrinks with age but exercise and learning can partially reverse this.

The Megalodon lived millions of years before humans appeared.

Fact #704 · Human Body

Humans reached the Moon less than 70 years after powered flight.

Fact #1741 · Human Body

Pandas have a specialized wrist bone that functions like a thumb.

Fact #1237 · Human Body

The Thirty Years’ War affected much of Central Europe.

Fact #1171 · Human Body

The Earth's inner core is solid despite extreme heat.

Fact #217 · Human Body

Bees have five eyes.

Fact #356 · Human Body

The Earth spins at 1000 mph.

Fact #1704 · Human Body

The human spine consists of 33 vertebrae.

Fact #192 · Human Body