What does a disgusting image have to do with how you vote? Equipped with surveys and experiments, psychologist David Pizarro demonstrates a correlation between your sensitivity to disgusting cues -- a photo of feces, an unpleasant odor -- and your own moral or political conservatism.

What if the commonly accepted narratives about the foundation of civilization are all wrong? Drawing on groundbreaking research, archaeologist David Wengrow challenges traditional thinking about the social evolution of humanity -- from the invention of agriculture to the formation of cities and class systems -- and explains how rethinking histor...

David Pizarro is a research psychologist and associate professor at Cornell University. His primary research interests are in moral judgment and he is particularly interested in moral intuitions (especially concerning moral responsibility, and the permissibility or impermissibility of certain acts), and in biases that affect moral judgment. He a...