Scientists from Stellenbosch University in the Western Cape have developed and patented an inexpensive and effective filtering device that could provide safe drinking water to millions of people. This innovation can considerably reduce the prevalence of water-borne illnesses such as cholera and other diarrhoeal diseases.
• Courts to protect SA's water
South African archaeologists have found the earliest evidence of human-made stone-tipped arrows, that push the emergence of bow-and-arrow technology back 20 000 years and throw light on humanity's cognitive development.
• South Africa's mammal-like croc discovery
South African researcher Alison Kock is one of an international group of contributors to a massive photo library of great white shark fins – one they hope will enable them to eventually track the movements of every great white.
• Saving our vulnerable sharks