These ancient human relatives include the first species with evidence of upright walking and running like humans. They represent more than a third of our evolutionary history.
My research with Lee Berger looking at the variation of the mandibular ramus of Australopithecus sediba.
For some people who follow human evolution news, recognizing “species” is really just about whether you’re a lumper or a splitter. Many people assume that the names of species are about ego, not evidence. But nature presents us with real challenges, which still cause different scientists to approach the