Scott Atran, Research Director at the National Center for Scientific Research in Paris, France, has experimented extensively on the ways scientists and ordinary people categorize and reason about nature. He currently is an organizer of a NATO working group on suicide terrorism. His publications include In Gods We Trust: The Evolutionary Landscape of Religion and The Native Mind: Cognition and Culture in Human Knowledge of Nature (co-authored with Douglas Medin and forthcoming from Oxford University Press).