HumansWhat made us human? The fossils redefining our evolutionary origins From Neanderthals to Australopithecus and Paranthropus, the more we’ve learned about ancient hominins, the harder it has become to define what a human is Features
HumansWhy did humans evolve big brains? A new idea bodes ill for our future Recent fossil finds suggest that big brains weren't an evolutionary asset to our ancestors but evolved by accident – and are likely to shrink again in the near future Features