Unbelievable?

Luke Martin is joined by neurosurgeon, war veteran and author Dr Lee Warren for a powerful and deeply personal conversation on trauma, grief, the brain, and whether we can truly change how we think and live.
After performing over 200 brain surgeries in a warzone in Iraq, Lee returned home carrying the unseen wounds of PTSD. Years later, following the devastating loss of his son, he found himself confronting not just suffering, but the limits of a purely material understanding of the mind.
In this wide-ranging discussion, Lee explores the difference between brain and mind, why neuroscience alone may not explain consciousness, and how our thoughts can literally reshape our brains. Drawing on cutting-edge research, clinical experience and his Christian faith, he makes the case for what he calls “self brain surgery” — the idea that we can intentionally rewire our thinking to change our lives.
They discuss PTSD, grief, near-automatic thoughts, anxiety, ADHD, neuroplasticity, and the role of faith in recovery. Lee also reflects on suffering, the reliability of our emotions, and why learning to question our thoughts might be one of the most important skills we can develop.
A profound and practical conversation at the intersection of neuroscience, psychology and faith — and a hopeful vision for anyone feeling stuck, overwhelmed or defined by their past.

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In this conversation, we’re exploring one of the central claims of Christianity: the resurrection of Jesus. Joining us are two of the world’s leading New Testament scholars who approach the evidence from different angles. Dale Allison, former Richard J. Dearborn Professor of New Testament at Princeton Theological Seminary, is widely respected for his historical work on Jesus and early Christian belief, and is known for his careful, often cautious assessment of what historians can and cannot conclude about the resurrection. Read Dale's book here
Dr Michael Licona, Professor of Biblical Studies at Houston Christian University, is a leading defender of the historical case for Jesus’ bodily resurrection, arguing that the best explanation of the early eyewitness testimony and explosive growth of the Christian movement is that the resurrection really occurred. While both scholars agree on much of the historical data — including Jesus’ crucifixion and the early proclamation that he was raised — they differ on how confidently historians can infer a bodily resurrection, the role of supernatural explanations in historical reasoning, and how we should weigh experiences, visions, and empty-tomb traditions in reaching our conclusions. Read Mike's book, here

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Physicists Paul Davies and Jeremy England tackle one of science’s hardest puzzles: how did lifeless matter spark into life? In this classic Big Conversation from Unbelievable podcast the question is whether we need a new theory for the origin of life in the universe. Davies argues that “software” (information) is as crucial as chemistry, hinting at undiscovered laws that bind hardware to code. England explains how open systems and thermodynamics can drive matter to organise, adapt and harvest energy—perhaps seeding pre-Darwinian evolution. They trade insights on RNA world hypotheses, entropy, agency, and why the universe is so uncannily intelligible. Does a “life-favouring” cosmos imply purpose—or is natural process enough? Expect rigorous science, clear analogies and thoughtful theology.

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Can morality be objective without God? In this thought-provoking episode of Unbelievable, host John Nelson brings together Christian writer Caleb Woodbridge and Objectivist thinker Thomas Walker-Werth for a deep clash over reason, self-interest, human dignity and the basis of right and wrong. Is morality grounded in God’s nature, or can human reason alone discover universal moral truths? Drawing on Christian theology, Ayn Rand’s Objectivism, Aristotle, Pascal and questions of sacrifice, flourishing and human value, the conversation explores whether morality is something we receive, discover or construct. Along the way, they tackle original sin, rational self-interest, charity, suffering, obligation and the future vision each worldview offers for society. If you’ve ever wondered whether ethics needs God, or whether secular reason can carry the full weight of morality, this debate will give you plenty to chew on.

Thomas Walker-Werth is managing editor of The Objective Standard, a journal of culture and philosophy, and author of Reason for Living: A Rational Approach to Living Your Best Life. He also writes on science fiction as Thomas W. Anderson.
Caleb Woodbridge is a Christian writer, editor and cultural apologist. He writes at Bigger on the Inside and hosts the Imaginative Discipleship podcast.

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In this episode, Luke Martin speaks to psychiatrist, neuroscientist and bestselling author Iain McGilchrist about the ideas that have made him one of the most influential thinkers of our age.
Rod Dreher has said McGilchrist’s The Matter With Things “will come to be regarded as one of the seminal texts of the century”. In this conversation, McGilchrist explores the divided brain, the crisis of meaning in modern culture, the limits of reductionism, and the importance of recovering a deeper sense of the sacred.

He also reflects personally on music, beauty, Christianity, suffering, AI, and the kind of attention needed to live well in a fragmented world.

This is a searching, moving and intellectually rich interview on what it means to be human in a technological age. For Luke Martin: follow on X https://x.com/luke_s_martin

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