'A passionate defence of the enduring power of human nature ... both life-affirming and deeply satisfying' Daily Telegraph Recently many people have assumed that we are blank slates shaped by our environment. But this denies the heart of our being: human nature. Violence is not just a product of society; male and female minds are different; the genes we give our children shape them more than our parenting practices. To acknowledge our innate abilities, Pinker shows, is not to condone inequality, but to understand the very foundations of humanity. 'Brilliant ... enjoyable, informative, clear, humane' New Scientist 'If you think the nature-nurture debate has been resolved, you are wrong ... this book is required reading' Literary Review 'An original and vital contribution to science and also a rattling good read' Matt Ridley, Sunday Telegraph 'Startling ... This is a breath of air for a topic that has been politicized for too long' Economist

Jensen provides a comprehensive treatment of one of the major constructs of behavioral science―general mental ability―labeled the g factor by its discoverer, Charles Spearman. The g factor is about individual differences in mental abilities. In factor analyses of any and every large and diverse collection of measures of mental abilities, however varied the content of knowledge and skills they call upon, g emerges as the largest, most general source of differences between individuals and between certain subpopulations. Jensen fully and clearly explains the psychometric, statistical, genetic, and physiological basis of g, as well as the major theoretical challenges to the concept. For decades a key construct in differential psychology, the g factor's significance for scholars and researchers in the brain sciences as well as education, sociology, anthropology, evolutionary psychology, economics, and public policy is clearly evident in this, the most comprehensive treatment of g ever published.

"In this powerful critique, the esteemed historian and philosopher of science Evelyn Fox Keller addresses the nature-nurture debates, including the persistent disputes regarding the roles played by genes and the environment in determining individual traits and behavior. Keller is interested in both how an oppositional "versus" came to be inserted between nature and nurture, and how the distinction on which that opposition depends, the idea that nature and nurture are separable, came to be taken for granted. How, she asks, did the illusion of a space between nature and nurture become entrenched in our thinking, and why is it so tenacious? Keller reveals that the assumption that the influences of nature and nurture can be separated is neither timeless nor universal, but rather a notion that emerged in Anglo-American culture in the late nineteenth century. She shows that the seemingly clear-cut nature-nurture debate is riddled with incoherence. It encompasses many disparate questions knitted together into an indissoluble tangle, and it is marked by a chronic ambiguity in language. There is little consensus about the meanings of terms such as nature, nurture, gene, and environment. Keller suggests that contemporary genetics can provide a more appropriate, precise, and useful vocabulary, one that might help put an end to the confusion surrounding the nature-nurture controversy."--Publisher