But in most cases even the possibility that the correlations reflect shared genes is taboo.

We will never have a perfect world, but it's not romantic or naive to work toward a better one.

Evolution is an indispensable component of any satisfying explanation of our psychology.

Consistent style prevents presentation from getting in the way of content.

All our behaviours are a result of neurophysiological activity in the brain. There is no reason to believe there is any magic going on.

Effective education may also require co-opting old faculties to deal with new demands. . . Because much of the content of education is not cognitively natural, the process of mastering it may not always be easy and pleasant, notwithstanding the mantra that learning is fun.

When it comes to explaining human thought and behavior, the possibility that heredity plays any role at all still has the power to shock. To acknowledge human nature, many think, is to endorse racism, sexism, war, greed, genocide, nihilism, reactionary politics, and neglect of children and the disadvantaged. Any claim that the mind has an innate organization strikes people not as a hypothesis that might be incorrect but as a thought it is immoral to think.