Massimo Pigliucci, PhD, is the K. D. Irani professor of philosophy at the City College of New York. His books include "How to Be a Stoic: Using Ancient Philosophy to Live a Modern Life" and "Nonsense on Stilts: How to Tell Science from Bunk." He has written for The New York Times, The Wall Street Journal, and the Washington Post, and he blogs at patreon.com/FigsInWinter.