Sentences with phrase «brained ancestors of modern humans»
These tall, relatively large - brained ancestors of modern humans arose about 1.9 million years ago and soon afterward invented a sophisticated new tool, the hand ax.
http://www.sciencemag.org/ Not exact matches
The brain of H. habilis was considerably smaller than that of modern humans, but larger than that of Australopithecus, the family widely viewed as its ancestors.
Rather than inheriting big brains from a common ancestor, Neandertals and modern humans each developed that trait on their own, perhaps favored by changes in climate, environment, or tool use experienced separately by the two species «more than half a million years of separate evolution,» writes Jean - Jacques Hublin, a paleoanthropologist at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, in a commentary in Science.