They are also used as famine food and known even to prehistoric man.

Do you know where prehistoric man got his first supplies of iron?

"Prehistoric men made out with stone," said the sign carrier.

To study how prehistoric man lived, each spring students turn a bit Neanderthal.

The last of the race, in Europe, were coeval with prehistoric man.

We still don't understand how prehistoric man achieved that feat.

This territory was conquered by the prehistoric man more than 6,000 years ago.

"This means prehistoric man was probably traveling with goats," he said.

Archaeological findings indicate that prehistoric men lived here 50,000 years ago.

The ancient and prehistoric man has lived in symbiosis with the environment.