Today our guest is Senior lecturer in geology for the university of Johannesburg Dr Tebogo Makhubela.

• The first partial skull of a Homo naledi child has been found in the remote depths of the Rising Star cave in Johannesburg.
• This was revealed by an international team of researchers, led by project leader and director of the Centre for Exploration of the Deep Human Journey at Wits University, Professor Lee Berger at the Malapa Museum yesterday.
• The discovery of parts of the skull and teeth of the child believed to have been aged around four and died almost 250 000 years ago, were found in a remote passage of the cave.
• This was a few metres away from the original site of discovery of the first Homo naledi remains that were revealed to the world in 2015.