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
South African scientist Zubair Jinnah's discovery of 100-million-year-old fossils of a small mammal-like crocodile that lived during the time of the supercontinent Gondwana has been described in the prestigious journal Nature.
• SA unearths new human ancestor
The HIV/Aids prevention community is abuzz with excitement with the news that South African research has developed a vaginal gel – known as a microbicide – that can reduce sexually transmitted HIV infection by as much as 54%.
• HIV vaccine hope for Africans