Dan Fessler has a strong stomach. He’s the evolutionary anthropologist featured in the latest Clever Apes, on the nature and origins of disgust. He says people vary widely in their sensitivity to disgust.
Last time around on Clever Apes we dipped into realms of science that some might consider disgusting. Now we turn to the science of disgust itself. What is disgust, and where does it come from? There are a few places where scientists can look for clues, starting with what disgusts people.