Conspiracy: Why the Rational Believe the Irrational

Date: 
October 27, 2026
Location: 
Psychology 1312
Michael Shermer, Founding Publisher and Editor-in-Chief, Skeptic magazine,

Description

Dr. Michael Shermer (michaelshermer.com) is the founding Publisher and Editor-in-Chief of Skeptic magazine, since 1992 an international science magazine in print, online, and available in every bookstore in North America (skeptic.com). From 1992 through 2015 he hosted the Skeptics Society’s Distinguished Science Lecture Series at Caltech, which evolved into the Michael Shermer Show podcast in which Dr. Shermer converses with leading scientists, scholars, and intellectuals on a wide range of topics (www.skeptic.com/michael-shermer-show/). For 18 years he was the “Skeptic” monthly columnist for Scientific American in which he penned 214 consecutive monthly essays read by millions each month. His two TED talks from the main TED stage in 2006 and 2010, viewed over 10 million times, were voted in the top 100 of the more than 2000 TED talks, for which he was invited to deliver an All-Star TED talk in 2014.

Dr. Shermer received his B.A. in psychology from Pepperdine University, M.A. in experimental psychology from California State University, Fullerton, and his Ph.D. in the history of science from Claremont Graduate University. He has taught courses in psychology and the history of science at Glendale College, Occidental College, and Claremont Graduate University. For twelve years he was a Presidential Fellow at Chapman University where he taught a critical thinking course titled Skepticism 101: How to Think Like a Scientist. He is also a New York Times bestselling author of numerous books including: Truth, Conspiracy, Heavens on Earth, The Moral Arc, The Believing Brain, Why Darwin Matters, The Science of Good and Evil, and Why People Believe Weird Things. 

Abstract:

In this moderated conversation, Dr. Michael Shermer presents his own original theory to explain why people believe conspiracy theories, the difference between conspiracies and conspiracy theories, and in an engrossing analysis shows how we can determine which conspiracy theories are likely true or false. Bring your favorite conspiracy theories and try to stump the skeptic!