Why are we so often in conflict—arguing with ourselves and with others, uncertain over who we are what we need from our lives?In The Animal and the Idea, the world-leading, pioneering neuroscientist John Duncan explains that each of us is not just one person – we are two. On one side are our animal instincts, built on the sophisticated needs of human life through evolution, but struggling to navigate the complexity of modern life. On the other side is our rational brain which...