The platypus uses its bill to detect electrical signals — it swims with eyes, ears, and nostrils closed.

A gecko can climb vertical surfaces using microscopic hairs on its feet.

Fact #415 · Human Body

Insulin was first used to treat diabetes in the early 1920s.

Fact #1189 · Human Body

Many insects have exoskeletons that protect them from dehydration.

Fact #876 · Human Body

In 1809, two countries declared war and then forgot to sign a peace treaty for years.

Fact #805 · Human Body

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

Fact #1237 · Human Body

The first successful kidney transplant occurred in 1954.

Fact #1221 · Human Body

Atmospheric rivers can deliver massive amounts of rainfall.

Fact #845 · Human Body

A hyena’s jaw is powerful enough to crush bone.

Fact #502 · Human Body