In this eye-opening episode, Michael Shermer chats with evolutionist Telmo Pievani about the surprising coexistence—and hybridization—of Neanderthals and Homo sapiens.

They discuss recent scientific discoveries, the evolving understanding of race and biology, and the crucial role of serendipity in advancing scientific knowledge.

This episode offers a nuanced perspective on how unexpected findings continue to reshape our understanding of human origins and the scientific process itself.

Telmo Pievani is Full Professor in the Department of Biology at the University of Padua, where he covers the first Italian chair of Philosophy of Biological Sciences. A leading evolutionist, science communicator, and columnist for Corriere della Sera, he is the author of The Unexpected Life, Creation Without God, and Imperfection (MIT Press). His new book is Serendipity: The Unexpected in Science.

Amid rising concerns about AI, inequality, trade wars, and globalization, New Yorker staff writer and Pulitzer Prize finalist John Cassidy takes a bold approach: he tells the story of capitalism through its most influential critics.

From the Luddites and early communists to the Wages for Housework movement and modern degrowth advocates, Cassidy’s global narrative features both iconic thinkers—Smith, Marx, Keynes—and lesser-known voices like Flora Tristan, J.C. Kumarappa, and Samir Amin.

John Cassidy has been a staff writer at The New Yorker since 1995. He writes a regular column, The Financial Page. He holds degrees from Oxford, Columbia, and New York Universities. His new book is Capitalism and Its Critics: A History from the Industrial Revolution to AI.

What does your diet have to do with your mood? Is mercury in fish really dangerous? Psychiatrist Dr. Drew Ramsey joins Michael Shermer to discuss the science behind nutritional psychiatry and how food, sleep, exercise, and social habits influence brain health. They explore why mental health issues are rising—especially among teens—and what role parenting, social media, and modern lifestyles play.

The conversation also covers the effectiveness of SSRIs and other treatments, the role of inflammation in mental health, and the importance of sleep and tracking sleep quality.

Drew Ramsey, MD is a board-certified psychiatrist, author, and leading voice in Nutritional Psychiatry and integrative mental health. He is a Fellow of the American Psychiatric Association. For twenty years, he served as an assistant clinical professor of psychiatry at Columbia University. He has authored four books, including the international bestseller Eat to Beat Depression and Anxiety. His new book is Healing the Modern Brain.