In this episode, intrepid explorers Dr Humphrey Mathe, James Campbell, and Oliver Barker talk to hosts Sifiso Siwela and Noleen... more

In this episode Noleen Pauls and fellow host Kathryn James-Kleynhans delve into the birth of Johannesburg and the role played... more

The high pressure path and tenacity of the rough diamonds. Today, Sifiso Siwela and Tania Marshall (GSSA president and a diamond... more

Working as geologists during the glory days of the big mining houses. Guests: Richard Viljoen, Frank Gregory, Ron Hieber, Phil Bentley,... more

Welcome to fossils by firelight - a series of conversations with South Africa's geological legends where they unearth their discoveries,... more