A groundbreaking study of ancient DNA reveals that all living humans descend from just three African hunter-gatherer populations around 50,000 years ago. Fossils and tools show these groups created ...

On the outskirts of Cape Town, at the base of Table Mountain and set back from a tangle of freeways, the Liesbeek and Black rivers meet in a small stretch of marshland. The 37-acre plot isn’t pristine ...