When Eve Laughed: The origin of language Part 1

Why is it that out of 220 primate species, we are the only one which talks? Laughter, too, is a uniquely human sound. Although quite different from language, collective and contagious laughter set the scene for words and grammar by establishing the necessary bonds of trust. This talk will cover the early stages of hominin evolution, focusing on the full range of conditions which scientists consider necessary for language to evolve.