Subscribe Past Futures: One Hundred Years of Looking Forward Scott Kaufman – Francis Marion University
Subscribe The Universal Timekeeper: Reconstructing History Atom by Atom David Helfand – Columbia University
Subscribe The Amazing World of Frequency: From Bad Vibes to Good Vibrations Richard Mainwaring – Monkton Combe School, England
Subscribe New Class / New Images: The Remarkable James Webb Space Telescope David Helfand – Columbia University
Subscribe Autism: What We Know and What We Don't Know Sandra Neargarder – Bridgewater State University
Subscribe Alchemy, Astrology, and Magic: The Occult Origins of Science Eric H. Ash – Wayne State University
Subscribe A Two-Hundred-Year Problem: The Environmental Effects of the Industrial Revolution Patrick Allitt – Emory University
Subscribe When Weather Changed the Course of History (LIVE from Seattle) Caroline Winterer – Stanford University
Subscribe The X-Ray Universe: How Superman Sees the Stars (BRAND NEW CLASS) David Helfand – Columbia University
