The research of scientists from Harvard University, USA found, that human ancestors began to engage in cooking food about 2 million years ago. According to researchers from Harvard University, is cooking food processing has had an enormous influence on the course of human evolution. Scientists estimate, that apes spend on food about half his time, and people - nearly ten times less, and cooking food has more calories and eaten quickly, because of this, during the evolution of teeth and jaw in man's ancestors became less, and the volume of the cranium-more, since human ancestors appeared more free time for thinking about the upcoming hunting, produce of production tools, and arrangement of their places of resettlement.