The Enlightenment Needs Vigorous Defense

The ideals of the Enlightenment are products of human reason, but they always struggle with other strands of human nature: loyalty to tribe, deference to authority, magical thinking, the blaming of misfortune on evildoers. The second decade of the 21st century has seen the rise of political movements that depict their countries as being pulled into a hellish dystopia by malign factions that can be resisted only by a strong leader who wrenches the country backward to make it “great again.”...

 Everything is for You

Do you have doubts about life? Are you unsure if it is worth the trouble? Look at the sky: that is for you. Look at each person’s face as you pass on the street: those faces are for you. And the street itself, and the ground under the street, and the ball of fire underneath the ground: all these things are for you. They are as much for you as they are for other people. Remember this when you wake up in the morning and think you have nothing. Stand up and face the east. Now praise the sky an...

 Sex as a Survival Strategy

In 1966, George Williams exposed the logical flaw at the heart of the textbook explanation of sex. He showed how it required animals to ignore short-term self-interest in order to "further the survival and evolution of their species, a form of self restraint that could have evolved only under very peculiar circumstances. He was very unsure what to put in its place. But he noticed that sex and dispersal often seem to be linked. Thus, grass grows asexual runners to propagate locally but commits...