What exactly is happiness? Can we measure it? Why are some people happy and others not? And is there a drug that could eliminate all unhappiness? People all over the world, and throughout the ages, have thought about happiness, argued about its nature, and, most of all, desired it. But why do we h[...]

There are some 6,500 different languages in the world, belonging to around 250 distinct families and conforming to numerous grammatical types. This book explains why. Given that the biological mechanisms underlying language are the same in all normal human beings, would we not be a more successful[...]

Madness is the central mystery of the human psyche. Our minds evolved to give us a faithful understanding of reality, to allow us to integrate into our communities, and to help us to adapt our behaviour to our environment. Yet in serious mental illness, the mind does exactly the opposite of these th[...]

Why are some people worriers, and others wanderers? Why do some people seem good at empathising, and others at controlling? We have something deep and consistent within us that determines the choices we make and the situations we bring about. But why should members of the same species differ so mark[...]