The hairy frog (horror frog) breaks its own bones to produce claws when threatened.

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

Fact #217 · Human Body

Certain parrots can learn to mimic human speech.

Fact #1258 · Human Body

A king cobra can raise a third of its body off the ground.

Fact #421 · Human Body

The Dead Sea is one of the saltiest bodies of water on Earth.

Fact #266 · Human Body

Water is the only natural substance that commonly exists as a solid, liquid, and gas on Earth.

Fact #175 · Human Body

The Thirty Years’ War affected much of Central Europe.

Fact #1171 · Human Body

The human body has over 600 muscles.

Fact #160 · Human Body

The human skeleton renews itself over time.

Fact #133 · Human Body