Human origins story takes new turn
The ancient remains of two human-like creatures found in South Africa could change the way we view our origins.
The 1.9-million-year-old fossils were first described in 2010, and given the species name Australopithecus sediba.
But an in-depth analysis, published in the journal Science, suggest this species was on the direct evolutionary line to us - Homo sapiens.
Dr William Harcourt-Smith, from the American Museum of Natural History in New York, explains how Australopithecus relates to modern humans.
08 Sep 2011