Reader in evolution at Wits University, Lee Berger, made a life-changing discovery when he uncovered the remains of a new species of hominid, Australopithecus sediba, in South Africa. Here, Chris Smith gets to meet the newest addition to the human family tree...

• Australopithecus Sediba Special - Naked Scientists Science Podcasts and Science Radio Shows
• New Species of Early Human – Australopithecus or Homo? - News
• How important is Australopithecus sediba? - News
• Digging in the Dirt and Looking at the Stars - Podcasts
• Sediba - Exploring Human Origins - Interviews
• Meet the ancestors - Podcasts