Disgust has a strong claim to be a distinctively human emotion. But what is it to be disgusting? What unifies the class of disgusting things? Colin McGinn sets out to analyze the content of disgust, arguing that life and death are implicit in its meaning. Disgust is a kind of philosophical emotion, reflecting the human attitude to the biological world. Yet it is an emotion we strive to repress. It may have initially arisen as a method of curbing voracious...