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What does it mean for nothing to exist—or for nothing to have ever existed? In this episode, Robert Lawrence Kuhn explores one of philosophy’s deepest questions: Why is there something rather than nothing? Through conversations with philosophers and physicists, the discussion examines the nature of nothingness, whether absolute nothing is possible, and how different philosophical and scientific perspectives attempt to explain the existence of the universe.

Featuring Richard Swinburne, Simon Blackburn, Robert Spitzer, Peter van Inwagen, Steven Weinberg, John Leslie, Timothy O’Connor, Victor Stenger, John Hawthorne, and Peter Forrest.

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In this conversation, Saleem Ali discusses Earthly Order: How Natural Laws Define Human Life, exploring connections between natural systems, social organization, economics, and political order. Ali examines how concepts such as order, chaos, emergence, hierarchy, and complexity operate across scales—from physics and ecology to governance and global sustainability.

Saleem H. Ali is the Blue and Gold Distinguished Professor of Energy and the Environment at the University of Delaware. His research focuses on environmental conflicts, sustainability, natural resources, and ecological cooperation in international relations.

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In this conversation, Mario Livio discusses Galileo’s scientific legacy, the Hubble Space Telescope, science denial, exoplanets, cosmology, and the future of life in the universe. Drawing from his book Galileo: And the Science Deniers, Livio explores Galileo’s role in the development of the scientific method and examines how scientific understanding evolves through observation, experimentation, and self-correction.

Mario Livio is an astrophysicist and author who worked for 24 years at the Space Telescope Science Institute, which operates the Hubble Space Telescope.

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In this conversation, Gregg Caruso explores the philosophy of free will, moral responsibility, determinism, compatibilism, libertarian free will, and free will skepticism. Discussing themes from Just Deserts: Debating Free Will, co-authored with Daniel Dennett, Caruso examines whether human beings possess the kind of control required for moral responsibility and how neuroscience and philosophy shape the debate.

Gregg D. Caruso is Professor of Philosophy at SUNY Corning and Honorary Professor of Philosophy at Macquarie University.

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In this conversation, Wendy Freedman discusses the Hubble constant, standard candles, redshift, and the ongoing effort to determine the age, size, and evolution of the universe. Exploring Cepheid variables, supernovae, cosmic expansion, and the tension between competing cosmological measurements, Freedman explains how increasingly precise observations are reshaping modern cosmology.

Wendy Freedman is an astronomer known for her measurements of the Hubble constant and for her leadership of the Carnegie Observatories in Pasadena, California, and Las Campanas, Chile.

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What does evolution imply about human nature and human value?

In this conversation, Michael Ruse explores the philosophy of biology, the mechanistic view of life, human exceptionalism, and the relationship between evolution and meaning. Discussing themes from his book A Philosopher Looks at Human Beings, Ruse examines whether the world is best understood as an organism or a machine, how Darwin transformed our understanding of humanity, and whether values can exist within a mechanistic picture of nature.

Michael Ruse was a philosopher of science specializing in the philosophy of biology, evolution, science and religion, and the creation–evolution controversy. He taught at Florida State University.

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In this conversation, Thomas Hertog discusses On the Origin of Time: Stephen Hawking’s Final Theory, presenting a new approach to cosmology developed through years of collaboration with Stephen Hawking. Exploring quantum cosmology, the multiverse, fine-tuning, and the “no-boundary” proposal, Hertog argues for a profoundly evolutionary picture of the cosmos and our place within it. Thomas Hertog is Professor of Theoretical Physics at the University of Leuven. His research focuses on the quantum nature of the big bang and the origins of the universe. Order Thomas Hertog's book: https://bit.ly/3ZZal1d

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In this conversation, David Chalmers explores the philosophical implications of virtual reality, simulation theory, and digital existence. Discussing themes from his book Reality+, Chalmers examines whether we could be living in a simulation, whether virtual worlds can contain real meaning and value, and how emerging digital realities challenge our understanding of consciousness, knowledge, and existence. Chalmers' book, Reality+: Virtual Worlds and the Problems of Philosophy, is available for purchase: https://bookshop.org/books/reality-virtual-worlds-and-the-problems-of-philosophy/9780393635805

David Chalmers is Professor of Philosophy at New York University and Co-Director of the Center for Mind, Brain, and Consciousness. His work focuses on consciousness, philosophy of mind, metaphysics, epistemology, and the foundations of cognitive science.

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Anil Seth is Professor of Cognitive and Computational Neuroscience at the University of Sussex and Co-Director of the Sackler Centre for Consciousness Science. His research brings together neuroscience, psychology, philosophy, computer science, mathematics, and psychiatry to investigate the biological basis of consciousness. Seth's book, Being You: A New Science of Consciousness, is available for purchase in the UK and the US: https://amzn.to/3jI9ss7

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Robert Lawrence Kuhn explores the philosophy of evolutionary biology — not just how evolution works, but what its core concepts really mean. Through conversations with Elliott Sober, Richard Dawkins, Samir Okasha, John Dupré, Dennis Noble, and Michael Ruse, this episode examines natural selection, common ancestry, challenges to evolutionary theory, and the deeper implications of evolution for science, religion, and human identity.

Featuring interviews with Elliott Sober, Richard Dawkins, Samir Okasha, John Dupré, Dennis Noble, and Michael Ruse. Subscribe to Closer To Truth: 

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Rebecca Newberger Goldstein is an award-winning philosopher, writer, and public intellectual. She is the author of 10 books of acclaimed fiction and non-fiction — including 36 Arguments for the Existence of God, Betraying Spinoza, and her landmark new work The Mattering Instinct: How Our Deepest Longing Drives Us and Divides Us. She holds a PhD in philosophy of science from Princeton University and has taught at Yale, Columbia, NYU, Dartmouth, and Harvard. She is a MacArthur Fellow and recipient of the 2014 National Humanities Medal, presented by President Obama in 2015.

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Robert explores the deepest questions about the far future of intelligence in the universe. While we often think in terms of decades, extending our perspective to vast cosmic timescales challenges our assumptions about meaning, purpose, and what may ultimately be real. If the future holds clues, how far can we reasonably speculate, and what might we discover about intelligence itself? Featuring interviews with Freeman Dyson, Lawrence Krauss, Raymond Kurzweil, Frank Tipler, Robin Collins, and Paul Davies. Get access to over 5,000 videos by signing up for a free Closer To Truth membership: https://closertotruth.com/register/

I like arguments about God, whether based on science, philosophy or personal experience. I like to push and to be pushed, explore the possible existence of a Creator. I must also consider defeaters of God.

Featuring interviews with Rebecca Goldstein, Ian Barbour, John Polkinghorne, Robin Collins, Anthony Grayling, Yujin Nagasawa, and Alvin Plantinga.

Can physical facts about the brain account for mental experiences of the mind? Has philosophy of mind made progress? We take a 15-year journey with John Searle and David Chalmers.

We like pushing boundaries, trying to discern existence, searching the foundations of reality, knowing all that can be known. Overly ambitious? Sophomoric? We don't care. We do it anyway. Here are ultimate questions.

Featuring interviews with Lawrence Krauss, John Leslie, Max Tegmark and Paul Davies

Explore diverse theories of consciousness, like materialism, dualism, panpsychism, idealism, and diverse ways of thinking about consciousness, like neuroscience, philosophy, wisdom traditions. Compare theories of consciousness on a ‘Landscape of Consciousness'.

What kinds of afterlives do the world’s religions offer? Soul/spirit in heaven or hell, with or apart from God? Reincarnation with innumerable rebirths, seeking liberation and nirvana? Resurrection of the body, reuniting with a soul/spirit?

Tallis' latest book, Circling Round Explicitness: The Heart of the Mystery of Human Being, is available for purchase now: https://amzn.to/3MUX5Ke

Vedral's book, Portals to a New Reality: Five Experiments to Unlock the Future of Physics, is available for purchase: https://amzn.to/3LGqd77

Vlatko Vedral is a Serbian-born British physicist. He is best known for his contributions to quantum information theory, quantum mechanics, and quantum entanglement. He earned his Bachelor of Science and Doctor of Philosophy degrees from Imperial College London, where he graduated with a PhD.

Featuring interviews with Justin Barrett, Marlene Altenmüller, Mario Gollwitzer, Jamal Elias, Robin Jensen, and Stacie Friend.

Radin's book, The Science of Magic: How the Mind Weaves the Fabric of Reality, is on sale now.

Dean Radin is an American parapsychologist. Following a bachelor and master's degree in electrical engineering and a PhD in educational psychology Radin worked at Bell Labs, as a researcher at Princeton University and the University of Edinburgh, and was a faculty member at University of Nevada, Las Vegas.

Featuring interviews with Roger Penrose, Stephen Wolfram, Max Tegmark, David Gross, and George Lakoff.

What is intelligence, and how is AI emergence a natural consequence of evolution? In his book "What Is Intelligence?" and in this conversation, Google's Blaise Agüera y Arcas takes up the idea that prediction is fundamental not only to intelligence and the brain but to life itself, and explores the wide-ranging implications. These include radical new perspectives on the computational properties of living systems, the evolutionary and social origins of intelligence, the relationship between models and reality, entropy and the nature of time, the meaning of free will, the problem of consciousness, and the ethics of machine intelligence.

Blaise Agüera y Arcas is a VP/Fellow at Google, where he is the CTO of Technology & Society, and the founder of Paradigms of Intelligence, an organization dedicated to fundamental AI research. He is the author of Who Are We Now?, and his research has included work on privacy-preserving machine learning, on-device AI, large language models, and human identity.

How do diverse religions/traditions treat the “person,” present status and afterlife future? Buddhism’s no self. Hinduism’s soul illuminating the mind. Prior lives in Eastern and African traditions. Body and soul, resurrection and judgment, in Abrahamic traditions.

Featuring interviews with Jay Garfield, Yang Xiao, Oludamini Ogunnaike, Imran Aijaz, Andrew Loke, and Swami Medhananda.

The Ruliad is a term that Stephen Wolfram developed, which he describes as the entangled limit of everything that is computationally possible, the result of following all possible computational rules in all possible ways.

When the long-awaited day dawns and the aliens finally arrive on Earth, they might eat us and destroy the planet―or, just maybe, they might share the secrets of the Universe with us. When that time comes, will we be able to cross the communication barrier to beg for our lives? If the aliens do hold out those precious jewels of knowledge, will we even be able to grasp them? Professor Daniel Whiteson and Warner explode what we thought we knew about talking to our cosmic neighbors―and even science itself―by asking and answering questions both lighthearted and profound.

Whiteson's book, Do Aliens Speak Physics?: And Other Questions about Science and the Nature of Reality, is available for purchase now.

What happens after we die? Is there life after death? If so, what kind of life? From heaven and hell to systems and cycles of reincarnation, we explore Hinduism, Buddhism, Islam, Judaism, and Chinese traditions, as well as Christianity.

Featuring interviews with Hamza Yusuf, Carol Zaleski, Tao Jiang, Andrew Loke, and Yujin Nagasawa.

In the first two installments of a brand new, six-part interview series with Nobel Laureate Sir Roger Penrose, we explore his approach to the deep nature of reality. Trace the intellectual and scientific history of each of his major contributions to the fields of science and philosophy, the challenges he faced, the criticisms he received, and his overarching reflections today. Additionally, discover how Penrose thinks about physics and hear his contrarian view of the foundations of quantum mechanics. 

Mathematics is like nothing else. The truths of math seem to be unrelated to anything else—independent of human beings, independent of the universe. The sum of 2 + 3 = 5 cannot not be true; this means that 3 + 2 = 5 would be true even if there were never any human beings, even if there were never a universe! When then, deeply, is mathematics?

Global Philosophy of Religion seeks diverse views and fresh ways of thinking from different religions/traditions about Ultimate Questions: God, consciousness, person/self, evil/suffering, afterlife/reincarnation, world to come. It does not avoid hard differences; it celebrates them.

Featuring interviews with Yujin Nagasawa, Swami Sarvapriyananda, Venerable Dr. Yifa, Tao Jiang, Hamza Yusuf, Aaron Segal, Oludamini Ogunnaike, and Helen De Cruz.

Physicist and computer scientist Stephen Wolfram explores how simple rules can generate complex realities, offering a bold new vision of fundamental physics and the structure of the universe. Additionally, from the foundations of cellular automata to the discovery of surprising patterns in nature, Wolfram shows how computation reshapes our understanding of reality and revolutionizes the way we think about science. 

Stephen Wolfram is a British-American computer scientist, physicist, and businessman. He is known for his work in computer algebra and theoretical physics. In 2012, he was named a fellow of the American Mathematical Society. He is the founder and CEO of the software company Wolfram Research, where he works as chief designer of Mathematica and the Wolfram Alpha answer engine.

Humanity’s future is now framed by artificial intelligence (AI) and increasing interventions in the body to enhance features and functions. This is transhumanism. Considering the stakes, and the dangers, a philosophical perspective is imperative.

Featuring interviews with Paul Griffiths, Nathan Lents, Carol Cleland, Quayshawn Spencer, Rachell Powell, S. Joshua Swamidass, Terrence Deacon, and Massimo Pigliucci.

Many people believe that out-of-the-body experiences (OBEs) and near-death experiences (NDEs) are real. We do not assess the evidence and arguments, pro or con. We do explore what OBEs and NDEs would mean, if real, for theories of consciousness.

This episode features interviews with Bernardo Kastrup, Etzel Cardeña, Àlex Gómez-Marín, and Liad Mudrik.

Two kinds of questions probe evolution vs. religion. The first explores discrepancies, even contradictions, between the science of evolution and the beliefs of religion. The second examines how religion itself evolved.

Featuring interviews with Richard Dawkins, Michael Ruse, Alexander Rosenberg, Helen De Cruz, Massimo Pigliucci, and Elliott Sober.

Clement Vidal, philosopher of science and astrobiologist, discusses the idea of something rather than nothing, differing religious worldviews, fine tuning and metaphysics, and more.

Watch more CTT Chats here.

Dr. Clément Vidal is a philosopher with a background in logic and cognitive sciences. He is co-director of the 'Evo Devo Universe' community and founder of the 'High Energy Astrobiology' prize. To satisfy his intellectual curiosity when facing the big questions, he brings together many areas of knowledge such as cosmology, physics, astrobiology, complexity science, evolutionary theory and philosophy of science.

What can evolution reveal about the developmental history of thinking and feeling? How did cognition and emotion (affect) co-develop over evolutionary time? Can evolution help solve the mystery of consciousness?

Featuring interviews with Peter Godfrey-Smith, S. Joshua Swamidass, Rachell Powell, Denis Noble, Terrence Deacon, Paul E. Griffiths, Helen De Cruz, and John Dupré.

Dr. Mark Bailey writes about the intersection between artificial intelligence, complexity, and national security. He is an associate professor at the National Intelligence University, where he is the Department Chair for Cyber Intelligence and Data Science, as well as the Director of the Data Science Intelligence Center.

This Chat was made possible by MindFest 2025: "Sentience, Autonomy, and the Future of Human-AI Interaction", a two-day event presented by the Center for the Future Mind.

Watch more CTT Chats here.

How do we define a soul? Can AI become consciousness? Julia Mossbridge discusses these questions along with the main trends in parapsychology, transpersonal psychology, and ESP research over the last decade.

Dr. Julia Mossbridge is an American cognitive neuroscientist, author, and educator who works on exceptional human performance including psi effects, notably on precognition and presentiment. She is Senior Distinguished Fellow in Human Potential at the Center for the Future Mind at Florida Atlantic University, Member of the Loomis Innovation Council at the nonpartisan Stimson Center, Affiliate Professor in the Department of Biophysics and Physics at University of San Diego, and founder and board chair of the nonprofit TILT: The Institute for Love and Time.

Watch all of our CTT Chats here.

This Chat was made possible by MindFest 2025: "Sentience, Autonomy, and the Future of Human-AI Interaction", a two-day event presented by the Center for the Future Mind. To learn more about groundbreaking innovation in AI, neuroscience, and the study of consciousness, visit the Center for the Future Mind, view MindFest videos, and subscribe to their newsletter, visit their website.

While evolution is how life on earth came to be, where does the evolution occur? At what level of the hierarchy of life—from genes to individuals to groups to species—does evolution work its selection magic? Is it multilevel?

Featuring interviews with Richard Dawkins, Lisa Lloyd, Peter Godfrey-Smith, Paul Griffiths, Elliott Sober, and Samir Okasha.

How will AI-generated deepfakes reshape truth, trust, and society? Can AI someday merge with human consciousness? Futurist Zoltan Istvan explores the disruptive power of synthetic media—from political deception to personal identity—and what it means for the future of ethics, law, and reality itself.

Zoltan Istvan Gyurko, professionally known as Zoltan Istvan, is an American transhumanist, journalist, entrepreneur, political candidate, and futurist.

Explore evolution—its scope and depth. How did life on earth come to be as it is, and how did humans come to be as we are? What are the deep principles driving evolution? What are evolution’s challenges and open questions?

Featuring interviews with Elliott Sober, Richard Dawkins, Samir Okasha, John Dupré, Denis Noble, and Michael Ruse.

Episode 1, Season 27

Chris French discusses his latest book, The Science of Weird Shit, where he convincingly debunks ESP, communicating with the dead, and alien abduction claims, among other phenomena. All the while, however, French maintains that our belief in such phenomena is neither ridiculous nor trivial; if anything, such claims can tell us a great deal about the human mind if we pay them the attention they are due.

Chris French is Emeritus Professor and Head of the Anomalistic Psychology Research Unit in the Psychology Department at Goldsmiths, University of London. He is a Fellow of the British Psychological Society and of the Committee for Skeptical Inquiry and a Patron of Humanists UK. He is the coauthor of Anomalistic Psychology: Exploring Paranormal Belief and Experience.

What could life be as we don’t know it? Three transitions in astrobiology. Non-life to life. Life to intelligent life. Intelligent life to technological civilization. For alien life, would Darwinian evolution hold? Fermi’s Paradox is profound: with at least 10 22 planets in the known universe, we find no evidence of alien life, anywhere, much less alien intelligence. Is there a great filter?

Featuring interviews with Carol Cleland, Richard Dawkins, Rachell Powell, Massimo Pigliucci, and Helen De Cruz.

This interview was made possible by MindFest 2025: "Sentience, Autonomy, and the Future of Human-AI Interaction", a two-day event led by Dr. Susan Schneider and the Center for the Future Mind at Florida Atlantic University. To learn more about groundbreaking innovation in AI, neuroscience, and the study of consciousness, visit the Center for the Future Mind website and subscribe to their newsletter.

Drawing from his presentation, "A Collapsing Superintelligent AI?", Corabi argues that future AI—however advanced—may become paralyzed by skeptical challenges that human minds navigate through evolved psychology. Could superintelligence be undone by its inability to resolve deep epistemological puzzles?

Topics discussed include:

• Can AI ever be truly conscious?
• Is virtual immortality through mind uploading possible?
• Does transhumanism mark the future of humanity?
• Can theology and Jesuit philosophy shed light on AI, soul, and afterlife?
• Is there a logical justification for hell?

Closer To Truth, hosted by Robert Lawrence Kuhn, presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.

How do Buddhism, Chinese traditions, and Hinduism address the ultimate essence of all things, the ground of being? What are transcendence, oneness, interconnectivity, ineffability? Compare Dao in Daoism to Brahman in Hinduism. Compare Wu in Daoism with Emptiness in Buddhism. Does God fit in?

Featuring interviews with Swami Sarvapriyananda, Swami Medhananda, Jay Garfield, Franklin Perkins, and Tao Jiang.

Explore all videos on Eastern Traditions here.

Anyone who has ever participated in a brainstorming session will know that most of us do not lack ideas. Yet, many people never breathe life into these ideas. To turn inspiration into real achievement, you must decide to act—and then decide to act again and again, despite obstacles, until your thoughts take shape and come to life. In Pringle's new book, The Creativity Choice: The Science of Making Decisions, she teaches readers how to bridge the gap between having the first spark of an idea and actually doing something with it.  

Zorana Ivcevic Pringle, Ph.D., is a Senior Research Scientist at the Yale Center for Emotional Intelligence. Zorana studies, writes, and speaks about the creative process from having an idea to making it happen, from the first decision to engage in the creative process to its culmination in creative performance and products.

Dualism claims reality has two parts, a physical and a nonphysical (mental or spiritual), both equally real. Dualism is believed by most people but rejected by most philosophers and scientists.

Featuring interviews with Yujin Nagasawa, Richard Swinburne, Jaron Lanier, Bede Rundle, and Peter Forrest.

Watch the episode on our YouTube channel here.

Robin Hanson is an author, economist, and associate professor of economics at George Mason University and a former research associate at the Future of Humanity Institute of Oxford University. His bestselling book, The Elephant in the Brain, is on sale now.

This interview was made possible by MindFest 2025: "Sentience, Autonomy, and the Future of Human-AI Interaction", a two-day event presented by the Center for the Future Mind.

Terry Sejnowski offers a nuanced exploration of large language models (LLMs) like ChatGPT and what their future holds. How should we go about understanding LLMs? Do these language models truly understand what they are saying? Or is it possible that what appears to be intelligence in LLMs may be a mirror that merely reflects the intelligence of the interviewer? In this discussion of his book ChatGPT and the Future of AI, Sejnowski, a pioneer in computational approaches to understanding brain function, answers all our urgent questions about this astonishing new technology.

Terrence J. Sejnowski is Francis Crick Chair at The Salk Institute for Biological Studies and Distinguished Professor at the University of California at San Diego. He has published over 500 scientific papers and 12 books, including The Computational Brain with Patricia Churchland. He was instrumental in shaping the BRAIN Initiative that was announced by the White House in 2013, and he received the prestigious Gruber Prize in Neuroscience in 2022.

We offer distinctive approaches to consciousness including cognitive science, phenomenology, and even the implications of aesthetics like fiction and films. We observe the richness of consciousness studies.v

This episode features interviews with Judith Wolfe, Stacie Friend, Elisabeth Schellekens, and Zorana Pringle.

What is extended mind? How does the mind work? It’s not obvious. Where does the mind stop and the rest of the world begin? What is extended mind? What is embodied mind?

Featuring interviews with David Chalmers, Andy Clark, and Raymond Tallis.

We human beings sit roughly midway between atoms and galaxies, and both must be so perfectly structured for us to exist. It's called "fine tuning" and it's all so breathtakingly precise that it cries out for explanation. To some, fine-tuning leads to God. To others, there are non-supernatural explanations.

Featuring interviews with Robin Collins, Victor Stenger, Ernan McMullin, and Michio Kaku.

Lights On: How Understanding Consciousness Helps Us Understand the Universe is available for purchase now.

Annaka Harris is the New York Times bestselling author of "Conscious: A Brief Guide to the Fundamental Mystery of the Mind" and writer and producer of the new audio documentary series, "Lights On: How Understanding Consciousness Helps Us Understand the Universe".

Free will seems the simplest of notions. Why then is free will so vexing to philosophers? Here's why: no one knows how free will works! Science, seemingly, permits no "gaps" in which free will can operate.

This episode features interviews with John Searle, Rodolfo Llinas, Eran Zaidel, Roger Walsh, Mike Merzenich, Henry Stapp, Colin McGinn, and Christof Koch.

Astrophysicist and science visionary Janna Levin discusses all things cosmology: black holes, gravitational waves, the James Webb Space Telescope discoveries, early galaxies, and more.

Janna J. Levin is a theoretical cosmologist and a professor of physics and astronomy at Barnard College. She researches black holes, the cosmology of extra dimensions, and gravitational waves in the shape of spacetime. In addition she is the director of sciences at Pioneer Works. Her books include Black Hole Survival Guide, Black Hole Blues and Other Songs from Outer Space, and How the Universe Got Its Spots.

The universe is strange and wondrous—dauntingly vast, menacingly violent, infinitely complex. The origin of the universe is equally fascinating. There are explanations, but is there a final explanation?

Featuring interviews with Alan H. Guth, Andrei Linde, George F. Smoot III, Robert Spitzer, Jill Tarter, and Douglas Vakoch.

Cosmos and consciousness seem utterly different, the former encompassing the vast universe, the latter emerging from tiny brains. Yet consciousness founds most religions, and some cosmologists speak quietly, profoundly, about consciousness.

Featuring interviews with David Chalmers, Alexander Vilenkin, David Brin, Colin McGinn, and Paul Davies.

Evolutionary biologist Nathan Lents argues that many of our supposedly modern ideas about gender and human sexuality are, in fact, deeply rooted in our animal ancestors. In this Chat, Lents discusses his new book, "The Sexual Evolution: How 500 Million Years of Sex, Gender, and Mating Shape Modern Relationships", a fascinating exploration of sexual behavior throughout the animal kingdom.

Nathan H. Lents is an American scientist, author, and university professor. He has been on the faculty of John Jay College since 2006 and is currently the director of the Cell and Molecular Biology program and the former head of the honors program and the campus Macaulay Honors College program.

We like pushing boundaries, trying to discern existence, searching the foundations of reality, knowing all that can be known. Overly ambitious? Sophomoric? WeI don't care. We do it anyway. Here are ultimate questions.

Featuring interviews with Lawrence Krauss, John Leslie, Max Tegmark, and Paul Davies.

What is quantum theory and why is it so strange? To know reality, one must confront the quantum. It is how our world works at the deepest level. What's the quantum? It is bizarre, defying all common sense.

Featuring interviews with Wojciech Zurek, Nima Arkani-Hamed, Lee Smolin, and Seth Lloyd.

Robert Lawrence Kuhn sits down with philosopher Richard Swinburne to embark on a retrospective of his views and arguments over his illustrious career. In this episode, they'll explore the problem of evil, atonement, resurrection, and more.

Richard Granville Swinburne FBA is an English philosopher. He is an Emeritus Professor of Philosophy at the University of Oxford. Over the last 50 years, Swinburne has been a proponent of philosophical arguments for the existence of God.

Closer To Truth host Robert Lawrence Kuhn recently published an extensive new article titled "A Landscape of Consciousness: Toward a taxonomy of explanations and implications". The paper covers the field of consciousness studies in its entirety as well as the consequences of consciousness including artificial intelligence (AI), life after death, and virtual immortality.

Read Kuhn's article on the Closer To Truth website.

Robert Lawrence Kuhn, PhD., is the co-creator, executive producer, writer, and host of Closer To Truth, the PBS/public television series on Cosmos, Life, Mind, and Meaning that presents leading scientists, philosophers, and creative thinkers discussing the fundamental questions of existence. He recently published an extensive article—"A Landscape of Consciousness: Toward a taxonomy of explanations and implications"—covering the field of consciousness studies in its entirety.

If God exists, did God create everything? Did God create out of literally "nothing"? Suppose there was no beginning to the cosmos, just the universe going through endless cycles, what then? And what about "abstract objects" like logic and numbers, which seem to exist without any cause and no creator?

Featuring interviews with William Craig, Robert Russell, John Polkinghorne, and Brian Leftow.

Time seems natural and absolute: the flow of moments one following another from the unknown past to the knife's edge present to the unknowable future. But this is not so. Einstein shocked the world by showing that time was "relative." What's the latest about time?

Featuring interviews with Gregory Benford, Kip Thorne, Nima Arkani-Hamed, and Lee Smolin.

All who affirm that God does exist should examine the strong attacks of those who conclude that God does not exist, and then assess the sharp counterattacks of scholarly believers. Belief in God is too important to be determined by cultural circumstances.

Featuring interviews with Susan Blackmore, Peter Atkins, Alvin Plantinga, and Steven Weinberg.

You can watch the full episode on our YouTube channel here.

Galaxies and clusters of galaxies, untold billions of them, adorn the cosmos. How did such large-scale structure of the universe come about?

Featuring interviews with John Richard Gott III, Abraham Loeb, George Smoot, and Saul Perlmutter.

Are human beings purely physical? Evolved at random and destined to die, extinguished forever? Or are we something more? A spirit or a soul, with existence beyond? What's the relationship between our brains and our consciousness, between the stuff in our skulls and the essence in our minds?

Featuring interviews with Ned Block, Dean Zimmerman, Colin McGinn, Charles Tart, and Henry Stapp.

Astrobiologist and theoretical physicist Sara Imari Walker shares an intriguing new scientific theory that explains what life is and how it emerges. What is life? This is among the most difficult open problems in science, right up there with the nature of consciousness and the existence of matter. All the definitions we have fall short. None help us understand how life originates or the full range of possibilities for what life on other planets might look like.

Walker's latest book Life As No One Knows It: The Physics of Life's Emergence, is available for purchase now.

Sara Imari Walker is an astrobiologist and theoretical physicist interested in the origin of life and discovering alien life on other worlds. She is deputy director of the Beyond Center for Fundamental Concepts in Science and a professor in the School of Earth and Space Exploration at Arizona State University. She is also a fellow of the Berggruen Institute and a member of the external faculty at the Santa Fe Institute. She is the recipient of the Stanley L. Miller Early-Career Award for her research on the origin of life, and her research team at ASU is internationally regarded as being among the leading labs aiming to build a fundamental theory for understanding what life is.

Watch more Closer To Truth Chats here.

Renowned biologist Richard Dawkins discusses his views on topics including philosophy of biology, evolution, atheism and religion, extraterrestrial life, and human and animal culture. 

Richard Dawkins is a British evolutionary biologist, zoologist, science communicator, and author. He is one of the world’s most eminent writers and thinkers of our time, and a major contributor to the public understanding of the science of evolution. He is currently an emeritus fellow of New College, Oxford, and a Fellow of the Royal Society and of the Royal Society of Literature.

Whether extra-terrestrial intelligences exist has profound implications for human religion. We are either alone or not alone in the universe, but no matter the ultimate answer, theists and atheists will each mold that answer, alone or not alone, to fit their opposing worldviews.

Featuring interviews with Steven Dick, Russell Stannard, Paul Davies, Robin Collins, and Douglas Vakoch.

Closer to Truth presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.

Harvard and MIT's influential humanist chaplain Greg Epstein discusses his new book, Tech Agnostic: How Technology Became the World's Most Powerful Religion, and Why It Desperately Needs a Reformation. In our tumultuous era of religious extremism and rampant capitalism, Tech Agnostic offers a new path forward, where we maintain enough critical distance to remember that all that glitters is not gold—nor is it God.

Greg M. Epstein serves as Humanist Chaplain at Harvard & MIT, where he advises students, faculty, and staff members on ethical and existential concerns from a humanist perspective. He was TechCrunch's first “ethicist in residence” and has been called “a symbol of the transition in how Americans relate to organized religion” (The Conversation). He is also the author of the New York Times-bestselling book Good Without God.

The nature of scientific Breakthroughs is one approach; the process of scientific Breakthroughs is quite another. When physicists reflect on how they do physics, when physicists review the history of physics, what are the ways in which Breakthroughs occur?

Featuring interviews with Robbert Dijkgraaf, Gregory Chaitin, Edward Witten, and Karen Uhlenbeck.

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Are there revolutionary discoveries yet to be made? Radical revelations and shocking secrets? Does physical reality go beyond what we know today? Far beyond?

Featuring interviews with Lawrence Krauss, Michio Kaku, Rupert Sheldrake, Paul Davies, and David Chalmers.

Featuring interviews with Quayshawn Spencer, Joshua Swamidass, Massimo Pigliucci, and Alexander Rosenberg.

Explore all the videos in our new pillar of Life: https://closertotruth.com/topic/life/

How much can science discover? Are there boundaries to science? Are there truths—real truths—beyond science?

Featuring interviews with Frank Wilczek, J. Gott, Stephen Wolfram, Bas van Fraassen, and Owen Gingerich.

When we speak about the future of the universe, we mean when the sun burns out, when galaxies collide, when everything flies apart and ultimately evaporates. Do the untold billions and trillions of years from now make it irrelevant for us today? No. The far far future of the universe conveys meaning now.

Featuring interviews with Martin Rees, Wendy Freedman, Abraham Loeb, Alexander Vilenkin, and Robert Russell.

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David Papineau is a British academic philosopher, born in Como, Italy. He works as Professor of Philosophy of Science at King's College London and the City University of New York Graduate Center, and previously taught for several years at Cambridge University, where he was a fellow of Robinson College.

Papineau's latest book, The Metaphysics of Sensory Experience, is on sale now.

Nothing means anything without our brains: not science, not theology, not politics, not love. Everything we know and do-all the sense of human thought, all the feelings of human emotion-all are the product of the brains in our heads.

Featuring interviews with Rodolfo Llinas, John Mazziotta, Joseph LeDoux, Mike Merzenich, and Eran Zaidel.

Some say that consciousness is the only true reality—that everything else, including the universe, comes from consciousness. If so, how would consciousness relate to the world?

Featuring interviews with Deepak Chopra, Donald Hoffman, Neil Theise, Fred Alan Wolf, Frank J. Tipler, and Charles T. Tart.

We know the age of the universe, how stars were born, how galaxies were formed. But does the cosmos have meaning? Not make-believe, feel-good meaning. But real meaning.

Featuring interviews with Saul Perlmutter, Roger Penrose, Paul Steinhardt, Martin Rees, and Frank Drake.

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How can I assess whether God exists without exploring what kind of God is supposed to exist? So I examine God's essence and nature.

Featuring interviews with John Polkinghorne, John Behr, John Hick, J.L. Schellenberg, and Timothy O'Connor.

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Astrophysicist Or Graur offers a brief and fascinating overview of the history, physics, and astrophysical uses of galaxies. Starting with the history of the last two thousand years of galaxy studies, Graur discusses the types of galaxies we observe and the physics that drive them; the myths and physical structure of the Milky Way; how galaxies were used to discover and study the mysterious phenomena of dark matter and dark energy; and how scientists think galaxies formed shortly after the Big Bang and evolved to their present forms.

Watch more Closer To Truth Chats: https://t.ly/jJI7e

Or Graur is Associate Professor of Astrophysics at the University of Portsmouth's Institute of Cosmology and Gravitation, as well as Research Associate at the American Museum of Natural History. He is the author of "Supernova" and his latest book, "Galaxies" from MIT Press.

Do I disappear at death? My body? Sure, it's gone. But my awareness? Does my consciousness end forever? What could be more frightening! Is there any hope here?

Featuring interviews with Charles Tart, Richard Swinburne, Robert Park, James Tabor, and Keith Ward.

Featuring interviews with Steven Weinberg, Paul Davies, Colin Blakemore, and Scott Aaronson.

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Scientists say my consciousness is just my brain. Theologians believe my consciousness reflects the God who created it. Mystics hold my consciousness is a drop in the ocean of cosmic consciousness. Who's right?

Featuring interviews with Marvin Minsky, Marilyn Schlitz, J. van Huyssteen, Colin McGinn, and Roger Walsh.

Closer to Truth presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.

Ned Block is an American philosopher working in philosophy of mind who has made important contributions to the understanding of consciousness and the philosophy of cognitive science. He has been professor of philosophy and psychology at New York University since 1996.

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To inquire whether plants are “sentient” sounds like pseudoscience but has become real science. What does a plant know? Plants can react to their environments, but can plants sense or feel? Can they remember long-term? Can they adapt and learn? Are plants intelligent? And are they in any sense aware?

Daniel Chamovitz is an American-born plant geneticist and the 7th President of Ben-Gurion University of the Negev in Beer-Sheva, Israel.

Featuring interviews with Helen De Cruz Jay Garfield, Swami Sarvapriyananda, Swami Medhananda, Franklin Perkins, and Yang Xioa.

Explore all CTT videos on Eastern Traditions.

Featuring interviews with John Leslie, Bede Rundle, Max Tegmark, Simon Blackburn, Quentin Smith, Victor Stenger, Peter van Inwagen, John Polkinghorne, Richard Swinburne, and Paul Davies.

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Brian Thomas Swimme is a professor at the California Institute of Integral Studies in San Francisco where he teaches evolutionary cosmology to graduate students in the philosophy, cosmology, and consciousness program. His upcoming book, The Story of the Noosphere, will be published in October.

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Featuring interviews with Alex Rosenberg, Alan Love, Rachell Powell, and Terrence Deacon.

You can watch all episodes in Season 23 on our website.

Featuring interviews with Swami Sarvapriyananda, Swami Medhananda, Jay Garfield, and Franklin Perkins.

Get early access to watch Season 24 by registering for a free membership on our website.

Carroll's book, Quanta and Fields, is available for purchase now.

Sean Carroll is Homewood Professor of Natural Philosophy at Johns Hopkins University, and Fractal Faculty at the Santa Fe Institute. He is host of the Mindscape podcast, and author of several bestselling books. He has been awarded prizes and fellowships by the National Science Foundation, NASA, the American Institute of Physics, the Royal Society of London, and many others.

Featuring interviews with Geoffrey West, Stuart Kauffman, V.S. Ramachandran, Antonio Damasio, and Michio Kaku.

Watch all of Season 21 on the Closer To Truth website.

They warp space and time, squeeze matter to a vanishing point, and trap light so that it cannot escape. How can black holes perform such stupendous tricks, and what can we learn from them?

Featuring interviews with Robert Laughlin, Peter Atkins, Francisco Ayala, and Philip Clayton.

Abraham's book, The Creative Brain, is available for purchase now.

Anna Abraham is the E. Paul Torrance Professor and Director of the Torrance Center for Creativity and Talent Development at the University of Georgia. She is the author of "The Neuroscience of Creativity" and the editor of the multidisciplinary volume "The Cambridge Handbook of the Imagination".

Watch all CTT Chats here: https://t.ly/jJI7e

Robert Wright is an author and journalist known for his wide-ranging interests in philosophy, society, science (especially evolutionary psychology), history, politics, international relations, and religion. He has published five books and is the co-founder and editor-in-chief of Bloggingheads.tv, the founder and editor-in-chief of Meaningoflife.tv, the founder and chief correspondent of the Nonzero Newsletter and Nonzero Podcast, and the creator of the Nonzero Foundation.

Watch Closer To Truth Chats here.

Featuring interviews with Venerable Dr. Yifa, Jay Garfield, Yujin Nagasawa, Swami Sarvapriyananda, Swami Medhananda, Franklin Perkins, and Helen De Cruz.

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Bostrom's book, Deep Utopia, is available for purchase now.

Nick Bostrom is a Professor at Oxford University, where he is the founding director of the Future of Humanity Institute. He is the world's most cited philosopher aged 50 or under.

Thagard's book, Bots and Beasts: What Makes Machines, Animals, and People Smart?, is available for purchase now.

Paul Thagard is Distinguished Professor Emeritus of Philosophy at the University of Waterloo. He is the author of many books and writes a popular blog for Psychology Today.

Helen De Cruz is a Belgian philosopher and Danforth Chair in the Humanities at Saint Louis University who specializes in philosophy of religion, experimental philosophy, and philosophy of cognitive science.

Watch more Closer To Truth Chats here.

Philosophy of biology has two sides: the process of science and the content of biology. We address key questions. What is the nature of life? How does evolution work and what are its challenges? How to consider race, sex/gender, cognition, culture, morality, healthcare, religion, alien life, and alien intelligences.

Featuring interviews with Michael Ruse, Elliot Sober, Elisabeth Lloyd, Peter Godfrey-Smith, John Dupré, Paul Griffiths, Richard Dawkins, Josh Swamidass, Quayshawn Nigel Julian Spencer, Denis Noble, Alexander Rosenberg, Samir Okasha, Massimo Pigliucci, Alan Love, and Philip Kitcher.

The Blind Spot is available for purchase now: https://shorturl.at/ghu34

Marcelo Gleiser is the Appleton Professor of Natural Philosophy at Dartmouth, the 2019 Templeton Prize laureate, and author of seven widely translated books.

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Featuring interviews with Giulio Tononi, David Chalmers, Sean Carroll, Max Tegmark, David Wallace, Bernard Carr, and Paul Davies.

For early access to episodes in our new season, login or register for free today: https://closertotruth.com/playlist/season-23/

Featuring interviews with Michio Kaku, David Wallace, Michael Hopkins, Stuart Kauffman, Jim Holt, and Paul Davies.

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Carlo Rovelli is a physicist and writer. He is currently a Distinguished Visiting Research Chair at the Perimeter Institute and core member of the Rotman Institute of Philosophy of Western University.

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Dr. Ilia Delio is a Franciscan Sister and a theologian from the Catholic tradition specializing in science and religion. She holds the Josephine Connelly Endowed Chair in Theology at Villanova University and is the founder of the Center for Christogenesis. She has earned two PhDs in neuropharmacology and historical theology, and is the author of twenty books including The Hours of the Universe and The Primacy of Love.

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Featuring interviews with Leon Glass, Martin Nowak, Geoffrey West, Paul Davies, and Robbert Dijkgraaf.

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All episodes of Season 22 are available now on our website: https://bit.ly/3QwMzIA

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Featuring interviews with Roger Penrose, Mark Balaguer, Gregory Chaitin, Stephen Wolfram, and Frank Wilczek.

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Featuring interviews with Ivan Corwin, Licia Verde, Sabine Hossenfelder, David Wallace, and Aaron Clauset.

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Martin Rees is an astrophysicist and cosmologist, and the UK's Astronomer Royal. He is based at the University of Cambridge where he has been Professor of Astronomy and Director of the Institute of Astronomy. Martin is a Fellow, and was the former Master, of Trinity College, Cambridge.

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Featuring interviews with Barry Smith, Donald Hoffman, Susan Greenfield, and Christopher Evans.

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Featuring interviews with Sarah Coakley, N.T. Wright, Oliver Crisp, Eleonore Stump, C. Stephen Evans, and Ian McFarland.

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For subscriber-only exclusives, register for a free membership today: www.closertotruth.com.

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Philip Goff is a philosophy professor at Durham University, UK whose research focuses on philosophy of mind and consciousness.

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Featuring interviews with Robbert Dijkgraaf, Edward Witten, Max Tegmark, Sabine Hossenfelder, and Jim Holt.

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Featuring interviews with Charles Tart, Richard Swinburne, Robert Park, James Tabor, and Keith Ward.

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Featuring interviews with Aaron Rosen, Antonius Roberts, Alfonse Borysewicz, Murray Watts, and Carl Plantinga.

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Featuring interviews with Arnold Scheibel, John Mazziotta, Christof Koch, Joseph LeDoux, and Stephen Chorover.

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Dennett's book, I've Been Thinking, is available for purchase now.

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Will Kinney is a professor in the department of physics at the University at Buffalo, the State University of New York. His areas of expertise are cosmology, dark matter, astronomy, black holes, and gravitational waves.

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Featuring interviews with Max Tegmark, J. Gott, Juan Maldacena, Fotini Markopoulou, and John Leslie.

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Samuel Lebens is an academic philosopher and an ordained Orthodox rabbi, having studied at various Israeli Rabbinical schools. He is an associate Professor in the philosophy department at the University of Haifa and co-founder of the Association for the Philosophy of Judaism.

Featuring interviews with Sean Carroll, David Wallace, David Chalmers, and Don Page.

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Featuring interviews with Robert Stickgold, Deirdre Barrett, Christopher Isham, and Patrick McNamara.

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Featuring interviews with Huw Price, Julian Barbour, David Albert, Jeff Tollaksen, and John Polkinghorne.

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Shields' book, Life on Other Planets, is on sale now.

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Featuring interviews with Robert Trivers, Jennifer Mather, Daniel Chamovitz, and Max Tegmark.

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Davies' book, What’s Eating the Universe?, is available for purchase now.

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Paul Davies is Director of BEYOND: Center for Fundamental Concepts in Science at Arizona State University. He is a theoretical physicist, cosmologist, astrobiologist, and best-selling science author. He has published 30 books and hundreds of research papers across a range of scientific fields, including quantum gravity, early universe cosmology, the nature of time, astrobiology, and an evolutionary theory of cancer. Among his many awards are the 1995 Templeton Prize and the Faraday Prize from The Royal Society.

Davies' book, What’s Eating the Universe?, is available for purchase now.

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Featuring interviews with Colin Blakemore, Barry Smith, Nicholas Humphrey, Jared Diamond, and Julian Barbour.

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Wilczek's latest book, Fundamentals: Ten Keys to Reality, is available for purchase now.

Frank Wilczek is a theoretical physicist, author, and intellectual adventurer. He has received many prizes for his work, including a Nobel Prize in Physics in 2004 and the Templeton Prize in 2022. Wilczek has made seminal contributions to fundamental particle physics, cosmology, and the physics of materials. His current theoretical research includes work on Axions, Anyons, and Time Crystals, concepts in physics which he named and pioneered.

Wilczek's latest book, Fundamentals: Ten Keys to Reality, is available for purchase now.

Frank Wilczek is a theoretical physicist, author, and intellectual adventurer. He has received many prizes for his work, including a Nobel Prize in Physics in 2004 and the Templeton Prize in 2022. Wilczek has made seminal contributions to fundamental particle physics, cosmology, and the physics of materials. His current theoretical research includes work on Axions, Anyons, and Time Crystals, concepts in physics which he named and pioneered.

Featuring interviews with Rebecca Newberger Goldstein, Chris Stewart, Gordon Graham, Nathan A. Jacobs, Anjan Chatterjee, and Raymond C. Tallis.

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Dr. Peskin recounts gripping tales of unruly molecules and the diseases that form in their wake. A college student cannot remember if she has eaten breakfast; by dinner, she is strapped to a hospital bed, convinced she is battling zombies. A man planning to propose marriage instead becomes violently enraged, gripped by body spasms so severe that he nearly bites off his own tongue. One after another, poor farmers in South Carolina drop dead from a mysterious epidemic of dementia.

From to Alzheimer's Disease to hallucinations, A Molecule Away from Madness is an unputdownable journey into the deepest mysteries of our brains.

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Featuring interviews with Robbert Dijkgraaf, Edward Witten, Karen Uhlenbeck, and Sabine Hossenfelder.

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Featuring interviews with Andreas Albrecht, Anthony Aguirre, Rodney Holder, Dirk Evers, and Leonard Mlodinow.

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This episode features interviews with Joshua Greene, V.S. Ramachandran, Robert Trivers, and Max Tegmark.

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Tim Palmer is a Royal Society Research Professor in the department of physics at the University of Oxford. Trained as a mathematical physicist, he pioneered the development of operational ensemble weather and climate forecasting, which are now standard practice globally. He contributed to the Intergovernmental Panel on Climate Change's Nobel Peace Prize in 2007.

Featuring interviews with Jill Tarter, Douglas Vakoch, Frank Drake, Raymond Kurzweil, Francisco Ayala, Steven Dick, and David Brin.

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Ogas and Gaddam's book is available for purchase now: https://rb.gy/9st8f

Ogi Ogas and Sai Gaddam both received their PhDs in computational neuroscience from Boston University, where they designed mathematical models of cognition.

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Featuring interviews with Max Tegmark, Laura Mersini-Houghton, Paul Davies, Andreas Albrecht, Alan H. Guth, Anthony Aguirre, and Carlo Rovelli.

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Purchase the book today: https://bit.ly/3oT67vi

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Hilary Lawson is a philosopher and award-winning broadcaster who founded The Institute of Art and Ideas to bring philosophy and intellectual ideas into public discourse. He has been hosting IAI TV’s philosophy and global politics debate strands since 2010.

There's exactly one month to go until HowtheLightGetsIn Festival at Hay-on-Wye, the world's largest philosophy and music festival. Use our special partner discount code CTT23 to get 20% off your tickets today.

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This episode features interviews with Lawrence Krauss, Michio Kaku, David Gross, Nima Arkani-Hamed, Juan Maldacena, and Roger Penrose.

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Manil Suri is a distinguished university professor in mathematics at the University of Maryland, Baltimore County. He is the author of three award-winning novels, The Death of Vishnu, The Age of Shiva, and The City of Devi.

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This episode features interviews with Charles Tart, Roger Walsh, Raymond Kurzweil, Hubert Dreyfus, Alva Noë, Henry Stapp, and George Lakoff.

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Featuring interviews with Jim Holt, John Horgan, Michio Kaku, David Wallace, and David Chalmers.

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This episode features interviews with Michio Kaku, J. Gott, Kip Thorne, Fred Wolf, and Seth Lloyd.

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Jill Tarter is the former Director of the Center for SETI (Search for ExtraTerrestrial Intelligence) Research at the SETI Institute. She earned her Bachelor of Engineering Physics Degree with Distinction from Cornell University and a MS and a PhD in Astronomy from the University of California, Berkeley.

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Featuring interviews with Robbert Dijkgraaf, Edward Witten, Karen Uhlenbeck, and Sabine Hossenfelder.

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After many years at Caltech, Sean is now at Johns Hopkins University - the Homewood Professor of Natural Philosophy - a joint appointment between physics and philosophy. His research focused on cosmology, field theory, and gravitation, quantum mechanics (origin of probability, emergence of space and time), and statistical mechanics (entropy and the arrow of time, complexity, emergence and causation). He is host of the popular Mindscape podcast.

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In this episode, Robert Lawrence Kuhn speaks with Gregory A. Boyd, John Hick, Deepak Chopra, Warren Brown, and Eric Steinhart.

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Donald D. Hoffman is Professor Emeritus of Cognitive Sciences at the University of California, Irvine and author of Visual Intelligence: How We Create What We See and coauthor of Observer Mechanics: A Formal Theory Of Perception.

For more on this series, visit our website at www.closertotruth.com.

Featuring interviews with Geoffrey West, Stuart Kauffman, V.S. Ramachandran, Antonio Damasio, and Michio Kaku.

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Order Sabine's new book now from our Bookshop.org shop.

Sabine Hossenfelder is an author and theoretical physicist who researches quantum gravity. She is a Research Fellow at the Frankfurt Institute for Advanced Studies where she leads the Analog Systems for Gravity Duals group.

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For subscriber-only exclusives, register for free at www.closertotruth.com. 

Alexander's book is available for purchase now.

Stephon Alexander is a professor, established jazz musician, and an immigrant from Trinidad. He is the 2020 president of the National Society of Black Physicists and a founding faculty Director of Brown University's Presidential Scholars program, which boosts underrepresented students. In addition to his academic achievements, he was also the scientific consultant to Ava DuVernay for the feature film A Wrinkle in Time.

In our final part, Chomsky offers his thoughts and opinions on Closer To Truth's "big questions": Does God exist? Why is there something rather than nothing? What are the limits of science? What are the major issues in philosophy of mind?

Often referred to as "the father of modern linguistics”, Chomsky helped bring about the cognitive revolution in the human sciences. At 94, he is one of the most cited living scholars. He is Institute Professor Emeritus at MIT and Laureate Professor of Linguistics at the University of Arizona.

In Part 3, Chomsky discusses linguistic theories for human sentience and cognition (most notably a Universal Grammar), the evolution of language, and the mystery of consciousness.

Often referred to as "the father of modern linguistics”, Chomsky helped bring about the cognitive revolution in the human sciences. At 94, he is one of the most cited living scholars. He is Institute Professor Emeritus at MIT and Laureate Professor of Linguistics at the University of Arizona.

In Part 2, Chomsky discusses generative and transformational grammar, deep structure paradigm, minimalism, and the relationship between syntax and meaning.

Often referred to as "the father of modern linguistics”, Chomsky helped bring about the cognitive revolution in the human sciences. At 94, he is one of the most cited living scholars. He is Institute Professor Emeritus at MIT and Laureate Professor of Linguistics at the University of Arizona.

In Part 1, we speak with Chomsky about his initial interest in theoretical linguistics, transformational and universal grammar, his early published works, and his reflections on his discussions and debates with other eminent philosophers.

Often referred to as "the father of modern linguistics”, Chomsky helped bring about the cognitive revolution in the human sciences. At 94, he is one of the most cited living scholars. He is Institute Professor Emeritus at MIT and Laureate Professor of Linguistics at the University of Arizona.

Featuring Michael Almeida, Hugh McCann, Matthews Grant, and David Hunt.

Featuring Arnold B. Scheibel, Carmine D. Clemente, John D. Schlag, Christof Koch, Mike Merzenich, and Rodolfo R. Llinas.

Featuring William Lane Craig, Quentin Smith, Alister McGrath, David Shatz, Charles L. Harper Jr., and Peter van Inwagen.

Featuring Simon Blackburn, Raymond Tallis, John Hawthorne, John Hick, and Michael Shermer.