The Nature & Nurture Podcast

Adam Omary
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Jul 16, 2025 • 52min

Nature & Nurture #161: Dr. Lars Krutak - The History of Indigenous Tattoos

Dr. Lars Krutak is an anthropologist, a research associate at the Museum of International Folk Art in Santa Fe, host of the Discovery Channel series Tattoo Hunter, and author of Indigenous Tattoo Traditions.
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Jul 6, 2025 • 49min

Nature & Nurture #160: Dr. Robert King - The Science of Orgasms

Dr. Robert King is a researcher at the School of Applied Psychology of University College Cork in Ireland. He is an expert in evolutionary psychology, sexual selection, and the science of orgasms, as detailed in his book Naturally Selective: Evolution, Orgasm, and Female Choice. 
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Jun 16, 2025 • 48min

Nature & Nurture #159: Dr. Jaap de Roode - How Parasites & Immune Systems Evolved

Dr. Jaap de Roode is the Samuel C. Dobbs Professor of Biology at Emory University, and the author of Doctors by Nature: How Ants, Apes, & Other Animals Heal Themselves. He is an expert in the population biology of parasites and virus transmission, and how animals defend themselves against these threats.
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Jun 7, 2025 • 1h 4min

Nature & Nurture #158: Dr. Eric Kaufmann - Universities & The History of Wokeness

Dr. Eric Kaufmann is a Professor of Politics at The University of Buckingham and Director of the Centre for Heterodox Social Science. He is the author of several books including The Third Awokening: A 12-Point Plan for Rolling Back Progressive Extremism.In this episode, Eric and I discuss The Third Awokening, beginning with the history of the term woke, its intellectual foundations in postmodernism and ties to Marxism, and its connection to identity politics.
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May 26, 2025 • 1h 21min

Nature & Nurture #157: Dr. Bill von Hippel - Evolutionary Psychology & Digital Health

Dr. Bill von Hippel is a social psychologist and author of The Social Paradox: Autonomy, Connection, and Why We Need Both to Find Happiness.
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May 10, 2025 • 1h 20min

Nature & Nurture #156: Dr. Dean Hamer - The Genetics of Sexual Orientation

Dr. Dean Hamer is a geneticist, author of several books including The Science of Desire and The God Gene, and a filmmaker. In this episode, we talk about Dean’s background in genetics and how the science of sexual orientation helped shape the “born this way” movement in gay civil rights. We talk about ethical debates surrounding the biological study of sexual orientation, and why it should be prioritized, and examine various evolutionary, genetic, hormonal, and neurological theories for sexual orientation. We talk about the role of prenatal sex hormones, fraternal birth order, the maternal immune hypothesis, the evolutionary gay uncle hypothesis, antagonistic pleiotropy, and more. We also discuss connections between sexual attraction and philosophy of mind, sex differences in sex drive, animal research on mating psychology, and more. Lastly, we talk about Dean’s recent work on gender and sexuality in the Pacific Islands, cultural anthropology documenting gender and sexual diversity across history, and how to best approach ethical discussion and research on sensitive topics related to sex and gender.
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Apr 18, 2025 • 1h 34min

Nature & Nurture #155: Dr. Helen Joyce - Making Sense of the Transgender Debate

Dr. Helen Joyce is a journalist, mathematician, women’s right advocate, and author of Trans: When Ideology Meets Reality. In this episode, we talk about Helen’s background in mathematics and transition into journalism, and eventually the so-called gender culture war. We discuss sex differences in personality, why gender nonconformity is normal, and why the transgender debate has turned into such a contentious and politicized topic. We trace this story back to both the complex biology of sex differentiation, and postmodern philosophical problems surrounding identity, and how these decision points become difficult to enshrine into law. We discuss what social and legal norms should be surrounding protected gendered spaces, freedom of speech and pronoun use, intersex populations, libertarianism, and whether adults should be free to choose medical sex reassignment. Helen offers sound and practical advice for individuals wanting to navigate these contentious waters with an open mind, and do right by people when trying to both remain respectful to individuals struggling with gender dysphoria and not invalidate the truths of biological sex.
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Apr 1, 2025 • 59min

Nature & Nurture #154: Dr. Carl Marci - Protecting Your Brain From Screens

Dr. Carl Marci is a psychiatrist, Director of the Social Neuroscience Psychotherapy Research Program at Massachusetts General Hospital, and author of Rewired: Protecting Your Brain in the Digital Age. In this episode, we discuss how social media and digital technology impact attention span and brain development, what is happening to kids in the digital age, and how advertising companies use neuroscience research to addict their users. Dr. Marci talks about his experience as both a psychiatrist, neuroscience researcher, and entrepreneur who has worked with digital broadcasting and technology companies. We talk about the rapid rise of mental health problems, social contagion theory, and why in-person communication is more enriching than online communication (ironically, as we speak on an online platform). Dr. Marci shares his recommendations for developing healthy screen habits and how to turn the fear of missing out into the joy of missing out on digital immersion. 
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Feb 7, 2025 • 49min

Nature & Nurture #153: Dr. Robin Nusslock - Neuroinflammation, Emotion, & Mindfulness

Dr. Robin Nusslock is a neuroscientist and Associate Professor of Psychology at Northwestern University. He is an expert on the interactions between the brain and the immune system, including the role of neuroinflammation in regulating positive emotion, negative emotion, and mental health. In this episode, we discuss Robin’s research on the brain and immune system in the context of diet, stress, and lifestyle choices. We discuss Robin’s research on Tibetan Buddhist monks, what monastic lifestyles reveal about mindfulness, sleep, and how the brain processes rewards and concepts of self and other. We also discuss the neurobiology of reward processing, including hedonistic vs. eudaimonic rewards, and the role of narrative and reinforcement learning in shaping the brain’s ability to delay gratification as exemplified by monastic life, religious sacrifice, and the practice of delayed gratification in pursuing an education. 
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Jan 24, 2025 • 1h 7min

Nature & Nurture #152: Dr. Webb Keane - Technology, Morality, & Narrative

Dr. Webb Keane is the George Herbert Mead Distinguished University Professor in the Department of Anthropology at the University of Michigan.  He is an expert in the anthropology of religion and ethics; semiotics and language; material culture; gifts, commodities, and money; and media. He is the author of Animals, Robots, Gods: Adventures in the Moral Imagination. In this episode we discuss Webb’s central argument that ethical dilemmas posed by interactions with non-humans and near-humans, including animals and AI, share common themes reflected in narrative and mythology cross-culturally. We discuss these findings in relation to cultural anthropology, evolutionary psychology, AI and large language models, and video games.  00:23 Exploring the Book's Themes 01:04 AI and Moral Imagination 04:51 Religious Language and AI 08:29 Human-AI Interaction 17:32 Moral Dimensions of Hunting 22:01 Animal Emotions and Morality 31:10 AI as a Moral Entity 34:45 The Fear of AI and Human Intentions 35:38 The Moral Implications of AI Decisions 38:34 Ethics and Social Interaction 41:04 Language and Perception 47:19 Cultural Differences in Language 52:48 The Intersection of Technology and Identity 59:46 Mythology and Technology in Popular Culture

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