Ice Age cave paintings could provide clues to our past. Their meaning is discovered by using research into hallucination, Namibian bushmen's dance and South African rock art.

Did our ancestors the australopithecines or 'upright apes', flourish because of the abandonment of vegetarianism?

The discovery of a skeleton, nicknamed Nariokotome Boy, confirmed that 'ape-man' lived about one and a half million years ago, and the 'missing link' moved from theory to fact.

A look at the daily lives of the first Homo sapiens found at cave sites on the southern coast of Africa. Over generations these beach dwellers migrated to Australia, the Far East and finally Europe.

For 200,000 years the Neanderthals lived unchallenged in Europe. But 30,000 years ago climate change and the arrival of modern humans from the east forced them to adapt or die.