Australopithecus sediba: can we stop calling it a ‘missing link?

The discovery of a possible ape-hominid transitional fossil, Australopithecus sediba, is of course incredibly interesting. It may be the earliest direct ancestor of modern humans yet discovered. It hints interestingly that humanity’s first steps – or, rather, first bipedal steps – in southern Africa rather than, as previously suspected, east Africa. It gives new and…