In this episode of The Billy Dees Podcast, Billy sits down with Dr. Marc J. Defant, a professor of geology and geochemistry at the University of South Florida whose work bridges the physical sciences and evolutionary psychology. With publications in top-tier journals like Nature and funding from organizations such as the National Science Foundation and National Geographic, Dr. Defant brings serious scientific credentials to a conversation that tackles one of the most controversial issues of our time: what happens when ideology begins to override evidence in academia.
Dr. Marc J. Defant has been on shows like the Joe Rogan Experience and the Dinesh D’Souza Podcast, and on this episode, he talks to Billy.
The discussion spans far beyond surface-level culture war talking points. Dr. Defant explains how evolutionary psychology emerged from biology and why human behavior—including sex differences, mate selection, competition, and social roles—cannot be explained by culture alone. Drawing from anthropology, neuroscience, and cross-cultural data, he outlines how traits like masculinity and femininity are deeply rooted in our evolutionary past, shaped over hundreds of thousands of years in hunter-gatherer societies. Billy pushes the conversation into real-world implications, exploring how modern debates over gender, masculinity, pay gaps, and social expectations often ignore biological realities in favor of politically convenient narratives.
What makes this episode stand out is its willingness to ask uncomfortable questions without demonizing individuals. Billy and Dr. Defant emphasize the importance of balance: acknowledging discrimination where it exists, while also rejecting the idea that society is governed by hidden systems designed to oppress. They discuss how concepts like “toxic masculinity,” social constructionism, and the politicization of psychology may be doing more harm than good—especially to young men navigating identity, purpose, and responsibility in an increasingly hostile cultural climate.
Ultimately, this conversation is about intellectual honesty. From the evolution of the human brain to modern academic institutions, Billy Dees and Dr. Marc Defant argue that truth matters more than ideology—and that science loses its value the moment it becomes activism in a lab coat. It’s a thoughtful, wide-ranging discussion that challenges listeners to reconsider what they’ve been told, ask better questions, and remain open to evidence, even when it’s inconvenient.
If you’re interested in long-form conversations that don’t shy away from complexity, this is an episode you won’t want to miss.
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