Kathleen McAuliffe
Science and Health Writer, Freelance

Kathleen McAuliffe is an award-winning writer whose work has appeared in The New York Times, Smithsonian, Discover and The Atlantic, among others. Her latest book is This Is Your Brain on Parasites: How Tiny Creatures Manipulate Our Behavior and Shape Society (2016). She lives in Miami.

Written by Kathleen McAuliffe

Image courtesy The British Library

Essay/
Social psychology
Disgust made us human

Our ancestors reacted to parasites with overwhelming revulsion, wiring the brain for morals, manners, politics and laws

Kathleen McAuliffe