The meat-containing diet contributed to the transformation of monkeys into man, say experts from Harvard University (USA). They proved that cooking meat on a fire accelerated the process of the deliverance of ancient man from a powerful and large teeth. Decreased demand in the developed jaws, writes the journal Nature.
Powerful muscles for chewing cooked meat is not required. So over time, forward-jutting lower jaw have become familiar to us. Huge teeth remained in the distant past.
Hedgehog 2 million BC Homo erectus had fairly weak chewing muscles and the teeth relatively small size. It is cooking, according to experts, was the main reason for changing the appearance of a skull of ancient man.