How Did The Social Instinct Evolve?

Dawkins said that there was no room for altruism in evolution, so why are we so cooperative as a species? This week we speak to Dr Nichola Raihani is PI of the Social Evolution and Behaviour Lab. She is Professor in Evolution and Behaviour, a Royal Society University Research Fellow and Fellow of the Royal Society of Biology. Her new book 'The Social Instinct
How Cooperation Shaped the World' is out now.