Giants Shoulder

Dr. Amy Williams is a NASA geobiologist and astrobiologist searching for one of the biggest answers in human history — are we alone in the universe?

As part of the Curiosity and Perseverance rover teams, Amy helped uncover the largest organic molecules ever found on Mars — long-chain alkanes up to 12 carbons long, potentially fragments of ancient fatty acids, the same molecular building blocks that make up living cells on Earth.

Her work on NASA’s Sample Analysis at Mars instrument and upcoming Mars Sample Return mission could soon bring those ancient Martian molecules back to Earth — offering humanity its first real chance to detect extraterrestrial life.

Expect to learn how scientists distinguish living from non-living chemistry on other planets, what these discoveries mean for the origin of life on Earth, why Mars may once have been a twin of our planet, how life might survive deep underground today, and how finding life beyond Earth could transform our understanding of who we are.

Timestamps:

00:00 Intro

02:20 Exploring Life on Mars: Recent Discoveries

05:18 Understanding Organic Carbon: A Clue to Life?

08:20 The Significance of Long-Chain Alkanes

11:12 Potential Biosignatures: Evidence from Perseverance

14:06 Dating Potential Life: Challenges and Methods

17:28 Mars Sample Return: The Future of Martian Exploration

20:20 Panspermia vs. Independent Life: The Debate

23:14 The Quest for Life: Optimism and Evidence

26:13 The Importance of Earth: Stewardship and Survival

33:48 The Challenges of Human Mars Exploration

38:12 Funding and Research in Space Science

39:49 The Search for Life on Mars

45:11 Implications of Discovering Life Beyond Earth

56:11 Future of Space Exploration and Responsible Research

...

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Dr Kent Kiehl is a neuroscientist and clinical psychologist whose groundbreaking work has transformed how we understand psychopathy, morality, and the criminal mind.

He’s the man who put an MRI scanner inside a truck and drove it into prisons across America — scanning over 5,000 inmates to uncover what makes a psychopath’s brain different. His discoveries reveal what happens when empathy, fear, and conscience fail to activate, and how these neural differences shape crime, punishment, and free will itself.

Expect to learn how psychopathy develops in the brain, why psychopaths can understand right from wrong but don’t feel it, what brain areas govern impulse control and empathy, how neuroscience is being used to predict reoffending, and what treatments are showing promise — from cognitive behavioural therapy and mindfulness to emerging ideas like psychedelic-assisted therapy and neuromodulation.

We also explore the ethics of brain-based sentencing, whether “evil” is a medical condition, how early interventions could prevent psychopathy before it forms, and what Kent’s research means for the future of law, morality, and the human condition.

Timestamps:

00:00 Intro — Meet the Psychopath Whisperer

04:35 What It’s Like to Sit Across from a Killer

09:20 How Psychopathy Is Measured (The PCL-R Explained)

14:15 Inside the Criminal Mind: Empathy, Fear & Free Will

19:40 Building a Mobile MRI Lab to Study 5,000 Inmates

25:30 What Brain Scans Reveal About Conscience and Control

31:25 Predicting Crime: The Neuroscience of Recidivism

37:50 Brain Circuits of Morality and the “Oh Damn” Signal

44:10 Can Psychopaths Change? Punishment vs Treatment

50:55 The Prison Programs That Actually Work

57:30 Mendota: The Model That Cut Youth Homicides to Zero

01:03:45 Neuroplasticity, Mindfulness & the Science of Change

01:10:05 tDCS, Psychedelics & Future Prison Therapies

01:16:40 Trauma, Brain Injury & The Two Types of Psychopaths

01:23:25 Ethics of Neuroscience Behind Bars

01:29:55 Retribution vs Rehabilitation: Rethinking Justice

01:36:50 AI, Brain Data & The Future of Neurolaw

01:43:30 Can Neuroscience Rewrite the Legal System?

01:50:20 Dream Study: Scanning Death Row

01:56:30 What Psychopathy Teaches Us About Being Human

01:59:15 Outro

...

Jonny Miller is the creator of Nervous System Mastery, a transformative training program that teaches thousands of people how to regulate stress, unlock emotional resilience, and reconnect with their bodies. He’s also the host of The Inner Frontier podcast and a TEDx speaker whose work bridges neuroscience, trauma, and the physiology of calm.

Emotions aren’t what you think they are — they don’t live in your “mind,” but in the dynamic language of your body. Jonny’s journey from burnout and grief to embodied mastery reveals that the key to peace, creativity, and connection lies not in suppressing emotion, but in learning to listen to it.

Expect to learn why emotions are predictions from the body, not reactions from the brain, how interoception and the vagus nerve shape your inner world, what really causes anxiety and how to retrain your nervous system to feel safe again, why emotional suppression creates “debt” in the body, the hidden physiology of flow states, how blood flow and micro-constriction may encode our sense of control, why co-regulation with others is the most powerful stress medicine, how to build real resilience instead of numbness — and much more…

Timestamps:

03:00 Mastering the Nervous System

05:53 The Impact of a Chaotic Nervous System

08:51 Agency and Nervous System Regulation

11:33 Personal Journey and Life Events

14:48 Grief and Emotional Mastery

17:45 Introspection and Self-Regulation

20:44 Emotional Fluidity and Processing

23:48 Navigating Rejection and Fear

26:41 The Role of Relationships in Regulation

37:47 Understanding Loneliness and Connection

39:09 Nervous System Mastery Practices

42:03 The Relational Dojo: Practicing Connection

42:51 Descriptive Experience Sampling: Inner Awareness

44:27 Interoception and Self-Understanding

47:04 Emotions, Sensations, and Decision Making

48:58 Flow States and Central Nervous System Optimization

54:47 The Body's Predictive Processing

59:08 Connection Between Body and Mind

01:04:19 Meditation Practices and Overcoming Box-Ticking

01:09:34 Exploring Meditative Practices

01:10:34 The Role of Psychedelics in Personal Growth

01:12:36 Therapeutic Benefits of MDMA and Ketamine

01:15:01 Navigating Risks and Benefits of Psychedelics

01:17:49 Psychedelics and Personal Pathways

01:20:15 The Intersection of Psychedelics and Meaning

01:23:28 Legislating Psychedelics: A New Approach

01:26:39 The Future of Psychedelics and AI

01:29:15 Exciting Frontiers in Neuroscience and Parenting

...

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Terrence Deacon is a neuro-anthropologist at UC Berkeley and author of The Symbolic Species and Incomplete Nature, two landmark works exploring how life and mind emerge from the physical world.

Deacon’s work connects thermodynamics, evolution, and neuroscience to tackle one of science’s biggest questions — how matter can give rise to purpose, meaning, and consciousness. From the physics of snowflakes to the biology of living cells to the mystery of human thought, he shows how energy flow and self-organization can create the building blocks of life and mind.

Expect to learn why the brain is not a computer, how information becomes meaning, what it takes for life to maintain order in a universe that tends toward chaos, the difference between homeodynamic, morphodynamic, and teleodynamic processes, how the first cells may have formed, why “absence” can have causal power, why AI systems don’t yet have true “aboutness,” and how understanding these principles could reshape how we think about life, consciousness, and artificial intelligence.

Timestamps

00:00 Intro & The Origins of Brains

02:35 How Many Times Did the Brain Evolve?

07:10 Could Life Have Evolved with Different Chemistry?

11:40 Before DNA: The Mystery of LUCA17:20 How One Genetic Code Took Over the Planet

23:45 Proto-Life and the First Self-Making Systems

30:15 Why Evolution “Falls Up”: Creativity Through Redundancy

38:10 From Thermodynamics to Life: The Physics of Purpose

45:50 Snowflakes Remember the Sky: How Order Emerges from Chaos

52:40 Homeodynamic, Morphodynamic, and Teleodynamic Life

59:20 When Chemistry Starts to Care: The Birth of Normativity

01:05:30 From Matter to Mind: The First Steps of Sentience

01:13:00 Why Movement Creates Mind

01:20:45 Language, Symbols, and the Explosion of Human Consciousness

01:28:20 Can AI Ever Be Truly Sentient?

01:36:00 Why the Brain Is Not a Computer

01:42:30 Meaning, Mind, and the Future of Consciousness

...

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Dr. William B. Miller Jr. is a physician, evolutionary biologist, and author of The Microcosm Within, Bioverse, and The Sentient Cell — books redefining how we understand life, evolution, and consciousness itself.

He believes every cell is intelligent — sensing, deciding, and creating information from within. His groundbreaking theory of Cognition-Based Evolution reframes evolution not as a blind process of random mutations, but as a self-organizing, information-driven system guided by cellular minds.

Expect to learn why cells—not genes—are the true engines of evolution, how microbes shaped the origins of consciousness, why cancer is a breakdown of cellular cooperation, how bioelectric communication could unlock regeneration, what makes Michael Levin’s living “Xenobots” so revolutionary, why AI can’t be conscious without boundaries or self-made information, and how this new understanding of life may reveal genuine purpose in the universe.

Timestamps:

00:00 Intro

02:20 Exploring Life's Biggest Questions

04:55 The Consciousness of Cells

07:39 Understanding Consciousness and Doubt

10:30 Cells and Their Preferences

13:21 The Self-Generated Nature of Information

16:11 The Continuum of Consciousness

19:13 Collaboration and Competition Among Cells

22:01 Cancer: A Disease of the Self

24:58 Understanding Cancer Through Niche Construction

27:39 Therapeutic Avenues in Cancer Research

30:23 The Role of the Brain in Consciousness

33:20 Conscious Cells and Space Exploration

36:05 The Implications of Sending Life into Space

47:35 Understanding Consciousness and Its Boundaries

52:28 Cells as Problem Solving Entities

55:27 The Variance of Human Experience

59:14 The Senome and Sensory Capacity

01:05:13 Cognition-Based Evolution Explained

01:10:45 The Role of Cognition in Evolution

01:16:31 Cognition Before Cells: A Debate

01:19:11 AI and Consciousness: A Distinction

01:26:19 The Future of Consciousness and AI

...

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Gualtiero Piccinini is a philosopher and consciousness researcher whose work is reshaping how we understand our own inner lives.Using descriptive experience sampling — a method pioneered by Dr. Russell Hurlburt — he has uncovered startling truths about the mind. A random beep interrupts your day (or even your sleep), forcing you to capture what was happening in your awareness just moments before. The results reveal that our intuitions about our own inner voice, imagery, and thoughts are often wrong.

Expect to learn why many people never inner speak at all, why we don’t have a single “stream of consciousness” but multiple spotlights of awareness, how sleep may contain surprising fragments of consciousness outside of dreams, why your memory of your own experience is far less reliable than you think, how aphantasia challenges our understanding of mental imagery, why inner speech and thought are not the same thing, and how careful first-person science could unlock the mystery of consciousness itself.

Timestamps:

00:00 Intro

03:20 Exploring Consciousness During Sleep

06:10 The Nature of Thoughts in Sleep

09:15 Descriptive Experience Sampling Methodology

12:22 Consciousness Beyond Dreams

15:13 The Spectrum of Consciousness

18:12 Awareness and Thought Patterns

21:19 Creative Insights from Sleep

24:12 The Complexity of Inner Experience

26:52 Multiple Streams of Consciousness

34:06 Understanding Short-Term Memory and Consciousness

36:12 The Distributed Nature of Consciousness

39:53 Inner Speech vs. Unsymbolized Thoughts

43:02 Defining Inner Speech and Thinking

49:10 Aphantasia and Inner Experience

52:46 Object Recognition and Mental Imagery

62:01 The Future of Inner Experience Research

01:04:45 The Evolution of Psychological Science

01:06:20 Exploring Aphantasia and Visualization

01:09:57 Cognitive Differences and Aphantasia

01:14:01 Development of Inner Experience

01:22:09 Future Directions in Inner Experience Research

...

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Dr. Anna Ciaunica is a philosopher and cognitive scientist, Principal Investigator at the University of Lisbon’s Centre for Philosophy of Science and Research Associate at UCL’s Institute of Cognitive Neuroscience. She leads INTERSELF, a project on how interactions with humans and artificial agents reshape our self-model, and collaborates with Michael Levin on “From Cells to Selves.”

Consciousness isn’t just in your head—**biology is cognition the whole way down**. From co-embodiment in the womb to the immune system’s quiet influence on mood and meaning, Anna reframes mind as a body-wide process and the self as something we enact with our nerves, guts, skin and others.

Expect to learn why the “self” may begin before birth, how co-embodiment and maternal–fetal synchrony shape first-person experience, why “the brain is not mental” reframes cognition as a cell-level, body-wide system, how depersonalisation differs from psychedelic ego dissolution, how interoception and precision weighting tune the felt boundary between “me” and “not-me,” why inflammation and sickness behaviour can alter mood, agency and reality-feel, what a Markov blanket is in human terms, how avatars, robots and social media recalibrate the self, whether single cells display proto-cognition and what neurons uniquely add, how to build a minimum viable self in AI (body, homeostasis, immune-like error correction and development), practical ways to stay embodied in a digital world, what this lens means for therapy (vagus, gut–brain, immune), and much more…

Timestamps:

00:00 Intro

02:50 Cognition and Biological Systems

08:36 The Evolution of Intelligence

15:50 Challenging Traditional Definitions

29:08 The Ingredients of Cognition

39:53 The Balance of Inner and Outer Worlds

51:42 The Development of Self-Awareness

56:57 Sickness Behavior and Disconnection from Self

01:03:17 The Cell's Plan for Survival

01:09:33 The Nature of Self-Organizing Systems

01:16:44 Collective Intelligence and Self-Preservation

01:22:15 Conscious AI: The Quest for Understanding

01:33:53 The Developmental Turn in Understanding Human Mind…

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Check out Sentia Spirits the future of drinking (Use Code GIANT10 for 10% discount off your first purchase: https://sentiaspirits.com/mcgloughlin4209355084Adam Safron is a cognitive neuroscientist and former research fellow at Johns Hopkins’ Center for Psychedelic & Consciousness Research, now a staff scientist with Michael Levin at Tufts’ Allen Discovery Center. He’s the architect of the Integrated World Modeling Theory of consciousness and known for provocative work on rhythmic neural entrainment in trance and orgasm.Psychedelics don’t just make you see things — they loosen high-level assumptions in the brain’s predictive model, opening a window for insight, flexibility, and lasting change. We connect this to the Free Energy Principle, the brain’s inner “movie screen,” and why rhythm, attention, and context can shift who we are and how free we feel.Expect to learn what the Free Energy Principle really means in plain English, how generative models, prediction errors, and precision shape perception and action, why the precuneus/PCC may serve as an inner canvas for conscious scenes, the difference between posterior stream and prefrontal access (continuous experience vs discrete sharing), how psychedelics via 5-HT2A and REBUS/ALBUS relax some priors (and strengthen others), why set and setting and mystical-type experiences predict outcomes, how trips can increase “degrees of freedom” (a practical take on free will), what rhythmic entrainment reveals about flow, meditation, and orgasm, what DMT’s “entities” might say about world-models, how bioelectric intelligence informs consciousness, whether AI needs an inner world and a “body dashboard” to align with human values, simple practices to gain mental room to move this week, and much more…Timestamps: 00:00 Intro03:00 Understanding the Free Energy Principle05:54 Application Beyond Biological Systems11:08 Generative Models and Consciousness18:13 The Dark Room Problem23:06 Generative Models in the Brain36:09 The Brain's Generative Models41:46 The Role of Bioelectricity in Unity49:35 Psychedelics and the Free Energy Principle57:07 Psychedelics: Strengthening and Weakening Beliefs01:07:58 Psychedelics and Serotonin Receptors01:11:49 Compassion in Psychedelic Therapy01:13:30 Exploring Consciousness with Psychedelics01:17:28 DMT Experiences and Entities01:24:12 The Nature of Reality and Consciousness...Neuroscience Products I Swear By (Supports the Channel)Sentia Spirits: https://sentiaspirits.com/mcgloughlin4209355084Manta Sleep Mask: Get the Comfiest Sleep Mask on the Planet (Use Code GIANTSMANTA10 https://bit.ly/4ilzfBL )Brain.FM: Music Entrainment for Focused Deep Work (30 Day Free Trial: https://www.brain.fm/giantsshoulder)Consensus.AI: https://get.consensus.app/we00d2cmjpqeFollow My Neuroscience Podcast - The Giants Shoulder Spotify - https://open.spotify.com/show/5m3Gta5MtIYdk59pb2GJ7M?si=b33232eae67b4126Apple Podcasts - https://podcasts.apple.com/ie/podcast/brief-enquiry-to-the-brain/id1752486249

Philip Ball is one of the world’s most brilliant science writers and the author of over 30 books, including How Life Works, The Book of Minds, and Beyond Weird — a radical rethinking of quantum mechanics that has become a modern classic.A former editor at Nature, Philip has spent decades translating the frontiers of biology, physics, and consciousness into ideas that challenge our deepest intuitions about life, mind, and reality.

Expect to learn how quantum mechanics might shape the behavior of living systems, why genes are not blueprints and biology isn’t a machine, how brain organoids are raising ethical and philosophical dilemmas, what quantum biology really means, why the brain isn’t just a prediction engine, how science misunderstands minds (including alien and artificial ones), what makes consciousness so slippery, and how the stories we tell about science shape what we believe is real — and what we believe is possible.

Timestamps:

03:40 The Prolific Writer: Philip Ball's Journey

06:29 The Art of Science Communication

09:36 The Process of Writing: From Research to Publication 12:33 Exploring Quantum Mechanics: A New Perspective 15:49 Understanding Quantum Features: Superposition and Entanglement

18:31 Quantum Computing: The Role of Observation

21:46 The Nature of Information in Quantum Mechanics 40:38 The Nature of Information in Quantum Particles

42:40 Exploring Quantum Biology

49:36 Quantum Effects in Consciousness

56:18 Defining Minds and Consciousness

01:01:46 Agency and Cognition in Living Beings

01:14:59 Evolution of Cognition and Mindedness

01:17:33 Understanding Agency Across Species

01:20:40 The Concept of Umwelt and Perception

01:25:11 The Future of Biotech and Consciousness

01:31:43 Ethics of Brain Organoids and Consciousness

01:42:23 The Controversy of Genetic Manipulation

01:44:59 The Complexity of Genetic Screening

01:51:59 Navigating Genetic Research and Regulation 02:07:49 The Future of Biology and Genetic Understanding

...

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The Book of Minds: How to Understand Ourselves and Other Beings, from Animals to AI to Aliens: https://amzn.to/4oVTMAZ

…

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Jon Perry is a science animator and educator, creator of Stated Clearly — the YouTube channel that turns messy biology into crisp, visual explanations, with more than fifty million views and a devoted audience of curious skeptics.

StatedClearly Youtube Channel: https://www.youtube.com/@StatedClearly

Jon’s mission is simple and radical: fix our definitions. When we call cells “intelligent,” or label xenobots “robots,” we smuggle minds into places they don’t belong. From a slime-mold maze rebuilt with LEGO and gravity to de-extinction hype and NASA’s search for life, Jon shows how precise language changes the experiments we run, the technologies we build, and the stories we tell about nature.

Jon's original slime mold video: https://youtu.be/2Thytf95wGU?si=_K1YDwL8TbrF4YQ8

Expect to learn why slime-mold “maze solving” might not be evidence of cognition, how simple physics can mimic problem-solving, the crucial difference between adaptation, learning, and intelligence, why some definitions would make tap water look smart, how to test for learning without minds, what xenobots really are (and aren’t), why “de-extinction” is mostly marketing, how NASA’s definition of life misled search strategies, how operational definitions steer funding and ethics, and how getting the words right can reboot entire fields of biology.

...

Timestamps:

00:00 Introduction

02:30 Michael Levin Slime Mold Debate

05:20 Intelligence vs. Instinct

08:20 The Role of Language in Science

11:12 Rethinking Intelligence as a Spectrum

14:05 Xenobots and Anthrobots: A New Frontier

17:25 Defining Life: The Challenge of Boundaries

20:10 Observational Science vs. Hypothesis Testing

39:59 Exploring Bioelectricity and Cell Behavior

43:49 The Impact of Michael Levin's Research

48:34 Understanding Gene Expression in Cells

55:51 The Emergence of Adaptive Behaviors in Cells

01:03:17 Ethical Considerations in Synthetic Life

01:03:48 The Controversy of De-Extinction and Colossal Biosciences

01:10:16 The Science of De-Extinction

01:13:03 Genetic Editing and Its Implications

01:18:58 The Marketing of De-Extinction

01:24:55 The Reality of Recreating Extinct Species

01:30:39 Future of Genetic Research and Funding

01:35:48 Funding Science: Challenges and Opportunities

01:45:27 The Future of Gene Editing and Ethical Considerations

...

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