Michael Shermer is a science writer, historian of science, founder of The Skeptics Society, and Editor in Chief of its magazine Skeptic, which is largely devoted to investigating pseudoscientific and supernatural claims.
Ron White is a stand up comedian and actor, best known as a charter member of the Blue Collar Comedy Tour. His new special "If You Quit Listening, I'll Shut Up" is now streaming on Netflix.
Gary Taubes is a journalist, writer and low-carbohydrate diet advocate. Stephan Guyenet, PhD, is a neuroscientist and is also the founder and director of Red Pen Reviews.
Joe is joined by UFC Welterweight Champion Kamaru Usman.