Major evolution of the human brain correlated with tool-making leap
Major evolution of the human brain correlated with tool-making leap A central question in the study of human evolution pertains to when, and of course how and why, modern human cognitive abilities evolved beyond those of our ape progenitors. New research sheds light on the timing of this process. In a just published article in the journal Science, an international team of researchers, led by Marcia S. Ponce de León of the University of Zurich, has found that modern-looking human brains appeared by about 1.7 to 1.5 million years ago as compared to the earlier, more primitive brains of the fi...