John D. Wagner reviews The Mating Mind: How Sexual Choice Shaped the Evolution of Human Nature by Geoffrey Miller

John D. Wagner reviews The Mating Mind: How Sexual Choice Shaped the Evolution of Human Nature by Geoffrey Miller- Why have humans evolved such costly and complex brains? And further, why do we use our brains to produce such seemingly useless behaviors as art or music? Evolutionary psychologist Geoffrey Miller suggests that the reason might lie in what he considers to be Darwin's most significant contribution to evolution: sexual selection.