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
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