The North Pole was first reached in 1909 by Robert Peary (disputed); South Pole first by Amundsen in 1911.

An adult giraffe can clean its ears with its tongue.

Fact #248 · Human Body

Some birds have hollow bones to reduce body weight for flight.

Fact #889 · Human Body

Grizzly bears can run at speeds over 30 miles per hour.

Fact #1260 · Human Body

The brain consumes a significant portion of the body's energy.

Fact #967 · Human Body

Some insects have compound eyes made of many lenses.

Fact #513 · Human Body

Vaccines train the immune system to recognize pathogens.

Fact #64 · Human Body

The Nile River has supported civilizations for thousands of years.

Fact #170 · Human Body

Border collies can learn hundreds of word-object associations.

Fact #1303 · Human Body