'Capitalism' is a dirty word for many intellectuals, but there are a number of studies showing that open economies and free trade are negatively correlated with genocide and war.

A...reason we are so-so scientists is that our brains were shaped for fitness, not for truth. Sometimes truth is adaptive, but sometimes it is not.

Natural selection is not the only process that changes organisms over time. But is the only process that seemingly designs organisms over time.

The typical imperative from biology is not "Thou shalt... ," but "If ... then ... else.

People consider the harms they inflict to be justified and forgettable, and the harms they suffer to be unprovoked and grievous.

Today we take it for granted that war happens in smaller, poorer and more backward countries.

Democracy is an imperfect way of steering between the violence of anarchy and the violence of tyranny, with the least violence you can get away with.