What's the difference between science and pseudocience -- and is it even possible to draw a clean line separating them? In this episode of Rationally Speaking, Massimo and Julia interview philosopher Maarten Boudry from Ghent University. Tune in to hear them discuss Massimo and Maarten's new book, "Philosophy of Pseudoscience: Reconsidering the Demarcation Problem"... and stick around to learn how Maarten pranked theologians.