From Grunting To Gabbing: Why Humans Can Talk

As humans evolved, our throats got longer and our mouths got smaller -- physiological changes that enabled us to effectively shape and control sound.  According to fossils, the first humans who had an anatomy capable of speech patterns appeared about 50,000 years ago.
As humans evolved, our throats got longer and our mouths got smaller -- physiological changes that enabled us to effectively shape and control sound. According to fossils, the first humans who had an anatomy capable of speech patterns appeared about 50,000 years ago.