UFOs (and more): Examining the Evidence | Skeptic Michael Shermer & Peter Boghossian

The world’s leading skeptic, author Michael Shermer, explains what it would take for him to believe claims of extraterrestrial visitation. Michael follows Pierre-Simon Laplace’s principle, popularized by Carl Sagan: “Extraordinary claims require extraordinary evidence.” Michael has bet $1,000 that irrefutable evidence of human contact with aliens will not materialize by the end of next year. So far, he has no takers. Peter and Michael discuss the brain as “an engine of belief” and how the hum...