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Big Think

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Big Think episodes

  • A neuroscientist’s guide to reclaiming your brain | Nicole Vignola

    **Are you trapped in a narrative that isn’t really yours?** From childhood, we absorb beliefs about who we are—“the smart one,” “the creative one,” “the failure.” These labels, shaped by family and environment, become our **Perception Box**, limiting what we believe is possible. But neuroscience reveals that we can rewrite our stories. By recognizing negative thought patterns, questioning old identities, and celebrating small wins, we can **rewire our brains** and reshape our reality. **So, who do you really want to be?**

    Your brain is wired to repeat the familiar. Change this wiring, and it will change your life.

    Nicole Vignola, a neuroscientist and organizational psychologist, explains how deeply rooted beliefs can limit our potential and keep us trapped in patterns of thought. These perceptions, often shaped by our upbringing and environment, aren’t necessarily our own—but they can be changed.Nicole shares how the brain’s natural biases, like negativity bias and confirmation bias, reinforce these limiting beliefs. However, with the right approach, it’s possible to reshape our mental patterns. By practicing metacognition—observing and naming our thoughts—we can start to rewire our perception and create new, empowering narratives.Our brains are capable of change at any age. By focusing on small wins and challenging automatic thoughts, we can break free from old beliefs and begin using a mindset that better serves ourselves and our futures.

    About Nicole Vignola:Nicole Vignola is a neuroscientist, author and corporate consultant. With a BSc in Neuroscience and an MSc in Organizational Psychology, Nicole works with companies and individuals worldwide, educating them on the science of human optimisation, health and longevity, and how to enable employees to perform better in their daily lives and in turn, bring peak performance to the workplace. Recent clients include Lloyds Bank, Makers Mark and Smeg Ltd.

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    10 min
  • 9 tactics to build a stronger mind | Lisa Genova

    Stress shrinks your brain. Neuroscientist Lisa Genova explains how to strengthen it.

    It may not feel like it when you can't find your phone or "lose" your sunglasses sitting atop your head, but your memory is an amazing ability -- and one we want to protect. So it's little wonder that any blips or blank spaces can send us spiraling into concern.
    Some recall issues here and there are normal, says neuroscientist and author Lisa Genova, and not every lapse means looming problems. (And don't worry, forgetting names is a surprisingly tough thing for our brains to do!) But, Genova says, there's ways we can improve our memory, increase resilience and recall and be more comfortable with ourselves and our minds.
    From making lists and getting Google's help to giving yourself a pop quiz, getting some meditation in, and just plain paying attention, these tips will have your steel trap gleaming.
    0:00 Introducing the problem
    1:19 #1: Practice paying attention
    1:45: #2: Bulk up your hippocampus
    3:18 A 9-second meditation you can try
    3:59 #3 Secure your sleep
    5:14 #4 Drink caffeine
    5:36 #5 Create associations (the Baker-Baker Paradox)
    6:36 #6 Repetition
    7:14 #7 Write it down
    8:03 #8 Self-testing
    8:31 #9 Just Google it
    9:14 Forgetting is human
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    About Lisa Genova:
    Lisa Genova is the New York Times bestselling author of the novels Still Alice, Left Neglected, Love Anthony, Inside the O’Briens, and Every Note Played. Still Alice was adapted into an Oscar-winning film starring Julianne Moore, Alec Baldwin, and Kristen Stewart. Lisa graduated valedictorian from Bates College with a degree in biopsychology and holds a PhD in neuroscience from Harvard University. She travels worldwide speaking about the neurological diseases she writes about and has appeared on The Dr. Oz Show, Today, PBS NewsHour, CNN, and NPR. Her TED talk, “What You Can Do to Prevent Alzheimer’s,” has been viewed more than five million times. The New York Times bestseller REMEMBER is her first work of nonfiction.

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    15 min
  • The mind-blowing circle of life, explained by a biologist | Sean B. Carroll

    “While society's been humming along and enjoying all these advances in agriculture and medicine, in the last 50 or 60 years, ecologists have learned a lot about how nature works. I've codified these into a set of rules called the 'Serengeti Rules.'”

    **The Hidden Connections of Nature: Why Trees Need Salmon and Ecosystems Depend on Key Species**

    Did you know that trees in the Pacific Northwest rely on salmon to thrive? Or that wolves in Yellowstone help forests grow? These surprising connections reveal the hidden rules that govern nature—rules that scientists are only beginning to understand.

    From nutrient cycles to predator-prey relationships, ecosystems are delicately balanced, and small changes can have massive ripple effects. As the de facto managers of nature, humans have the power to restore and sustain these systems. But will we?

    Join us as we explore how understanding nature’s hidden rules could be the key to protecting our planet’s future.

    In the last 60 years, ecologists have discovered that specific animals have an outsized impact on the health of their communities. The functioning of these ecosystems are sometimes entirely dependent upon certain individual species or small groups of species than others, says biologist Sean B. Carroll, who codified the laws of nature into a set of rules called The Serengeti Rules. One of the chief points of The Serengeti rules is that some species are more integral in striking this balance than others. That's important knowledge because if we lose those species, those communities can collapse, and if those communities are compromised, reintroducing or boosting those lost species can have positive effects on the overall health of the ecosystem.For example, the 70-year absence of wolves in Yellowstone was contributing to stunted trees. In the Pacific Northwest, trees along the river rely on nutrients from salmon carcasses to grow tall. Sean B. Carroll explains the hidden rules of interconnectivity, and why sometimes the smallest detail is fundamental to the functioning of our vast world.

    About Sean B. Carroll:Sean B. Carroll is an award-winning scientist, author, educator, and film producer. He is Distinguished University Professor and the Andrew and Mary Balo and NIcholas and Susan Simon Chair of Biology at the University of Maryland, and an Investigator of the Howard Hughes Medical Institute. He was formerly Head of HHMI Tangled Bank Studios, and led the Department of Science Education from 2010-2023. He is also Professor Emeritus of Genetics and Molecular Biology at the University of Wisconsin.An internationally-recognized evolutionary biologist, Carroll's laboratory research has centered on the genes that control animal body patterns and play major roles in the evolution of animal diversity. In recognition of his scientific contributions, Carroll has received the Benjamin Franklin Medal in Life Sciences, been elected to the National Academy of Sciences and the American Philosophical Society, named a Fellow of the American Academy of Arts and Sciences and the American Association for the Advancement of Science, and elected an Associate Member of the European Molecular Biology Organization.His latest book is A Series of Fortunate Even

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    9 min
  • Former CIA agent: The truth about manipulation | Andrew Bustamante

    “What CIA taught me is that manipulation is one side of a coin, and on the other side of the coin is the word motivation.”

    Generally, we think people who manipulate us are bad guys, but people who motivate us are heroes, but the truth is far more complex, argues Andrew Bustamante. "The skills that go into both motivation and manipulation are almost the same skills. The same level of persuasion, the same level of influence, the same level of charisma and dynamic creative thinking drives us to both be manipulated and be motivated."

    In this episode, 

    the psychology of spycraft is explored through the lens of CIA training, revealing the fine line between manipulation and motivation. The discussion delves into human nature, self-preservation, and the pursuit of specific outcomes, emphasizing that influence—whether through persuasion or control—relies on the same fundamental skills. A key lesson from intelligence operations is the power of listening and asking the right questions to steer conversations and uncover hidden truths. By understanding these psychological tactics, individuals can recognize and navigate the forces shaping their decisions and behaviors.

    About Andrew Bustamante:Andrew Bustamante is a former covert CIA intelligence officer and decorated US Air Force combat veteran. In 2017, he founded EverydaySpy.com, the first digital platform teaching real-world intelligence techniques to everyday people. Drawing from his 20 years running human and technical operations globally, Bustamante empowers individuals to break social, financial, and cultural barriers using proven spy skills. He's a Fortune 10 corporate advisor, cybersecurity expert, and author of "Everyday Espionage: Winning the Workplace and Social Game."

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    19 min
  • Sam Harris: Breaking the thought trap of anger

    "You can't possibly exaggerate how much better it is to live in a peaceful, orderly society, and to be wealthy, and healthy, and surrounded by people who you love and who love you, and to be surrounded by increasingly happy strangers who just want to cooperate with you."

    What if the chaos in your life (and in the world as a whole) isn’t caused by evil, but caused by ordinary people trapped in bad mindsets? The real enemy, Sam Harris argues, isn’t each other. It’s the stories that we so often mistake for the truth.
    If you’re burned out, stuck in anger, feeling devoid of compassion, Harris offers clarity, and a path to escaping your mind.

    Chapters:

    00:00 Why compassion is critical
    02:27 Sufficient knowledge, sufficient cooperation
    04:15 Inherited advantages
    07:40 The choice we have to make
    08:00 Human conversation as tool
    10:11 The most surprising thing about dreams
    12:01 Consciousness and its object
    14:27 What is the optimal state to be in?
    15:24 How to get off the ride of anger
    17:02 Its so easy to tell yourself a story
    19:20 Unclenching the fist in your mind

    SUMMARY:

    1. Compassion as a Foundation for a Better World

    The speaker emphasizes that true compassion involves recognizing our shared humanity and working to reduce disparities in luck, opportunity, and suffering. A just society should aim to lift everyone, ensuring that even the poorest benefit from collective progress.

    2. Most Suffering is Self-Created

    A striking insight is that much of human misery stems from the stories we tell ourselves—beliefs, ideologies, and narratives that divide us. If we could change these mental frameworks, much suffering would dissolve.

    3. The Illusion of Bad People

    The speaker argues that truly evil people are rare; most conflict arises from good people trapped in bad ideas. This suggests that progress is possible if we shift our thinking rather than demonizing others.

    4. The Power of Knowledge and Cooperation

    Human ingenuity can solve almost any problem—unless physics forbids it. The key is combining knowledge with cooperation to build a better world. This optimism contrasts with dystopian fears of scarcity and conflict.

    5. Luck and Privilege

    No one chooses their birth circumstances—whether born into wealth or war. Recognizing this should inspire humility and a drive to reduce unfair disparities.

    6. Meditation and Emotional Freedom

    A major theme is how our thoughts trap us in negative emotions. Meditation creates space between awareness and thought, allowing us to regulate emotions rather than being ruled by them.

    7. The Short Half-Life of Anger

    Anger and fear are useful as alarms but rarely productive long-term. Learning to disengage from reactive thoughts can prevent unnecessary suffering and conflict.

    8. The Road Rage Analogy

    Like road rage, much human conflict stems from overreacting to minor provocations. Reframing situations with compassion can dissolve anger before it escalates.

    9. Happiness is Possible Amid Struggle

    We don’t need a perfect world to be happy. Even in adversity, we can cultivate inner peace—illustrated by meditators who find joy in solitude, while others find it torturous.

    10. The Choice Before Us

    We can either build a world of cooperation and shared prosperity or descend into fear and tribalism. The tools for change—conversation, reason, and compassion—are already available.

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    29 min
  • 5 conversation skills that enhance your rational brain | Irshad Manji

    Educator Irshad Manji emphasizes that diversity is a fact of life, and it should be harnessed to unite society rather than divide it. Recognizing that humans tend to react defensively to opposing views, she offers five key skills to promote constructive conversations.

    These include 1) taking deep breaths to facilitate rational thinking, 2) intentionally establishing common ground, 3) genuinely inquiring about the other person's perspective, 4) actively listening to learn rather than to win, and 5) encouraging further dialogue by asking "Tell me more."
    Adopting these skills can lead to healthier outcomes in contentious conversations and foster collaboration. Ultimately, an individual's ability to engage in productive discussions depends on their motivation. It is essential to reflect on one's intentions, choosing between a genuine desire to solve problems or a need to assert moral superiority. Only by making the right choice can we hope to harness the power of diversity for the greater good.
    0:00 Our defensive brains
    1:52 How ‘slam dunking’ backfires
    3:05 The 5-part toolkit
    3:27 Skill #1: Breathe deeply (give your brain oxygen)
    4:06 Skill #2: Create common ground
    4:40 Skill #3: Ask a sincere question
    5:16 Skill #4: Listen to learn
    6:15 Skill #5: “Tell me more”
    7:31 The most uncomfortable question

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    13 min
  • What Earth’s undefeatable organisms reveal about survival

    What’s the best way to understand ancient life on Earth? Replicate the conditions it survived in.

    NASA astrobiologist Betül Kaçar is recreating conditions from 3 billion years ago to study how microbes have evolved throughout history. By studying the way life once endured a frozen, unstable planet, Kaçar and her team are hoping to find clues for how we might face environmental challenges today and prepare for what’s coming next.

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    10 min
  • Master your anxiety. Unleash your genius | Jesse Eisenberg for Big Think+

    - Jesse Eisenberg reflects on the dual forces of motivation: talent, creativity, and positive effort, versus anxiety, fear, and self-doubt. 😰 He admits that fear of failure often drives him more than positive factors, with anxiety becoming a source of fuel to keep pushing forward. 🔥

    - He shares his self-critical tendencies and discusses how public criticism affects him. Eisenberg doesn't watch his own movies or read reviews, and he avoids places where he's reminded of his work. 🚫🎬

    - Transitioning into directing, Eisenberg reveals his challenges with leadership. He's not the loud, confident leader but thrives by understanding and collaborating with his team. He emphasizes the importance of humility and allowing others to excel. 🎥💡

    - He learned that micromanaging talented performers, like Kieran Culkin, stifles their creativity. Instead, giving actors freedom to improvise leads to a better performance. 🕺✨

    - Eisenberg's first experience directing an established actress, Julianne Moore, taught him the importance of being open, giving feedback, and collaborating freely. He overcame his fears of being a "fraud" and built a stronger partnership through honest communication. 👏🎬

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    14 min
  • Freezing time in your best years, not your end years | Dr. Morgan Levine

    Age expert Dr. Morgan Levine explains why living to 100 is the wrong goal.

    Dr. Morgan Levine suggests that we should aim for living better, not just longer. In her book, “True Age,” Levine introduces the idea of healthspan, which is about staying healthy and enjoying life, rather than merely adding years to it.
    She explores the concept of “compression of morbidity,” a goal to squeeze most of our inevitable ailments into a short period before we die, mirroring the patterns seen in people who live to 100 or more. Levine also highlights a paradox: Women generally outlive men, but they also endure more age-related illnesses.
    Ultimately, she argues that the benefits of longevity science should be accessible to everyone, with the goal of health disparities rather than increasing them.
    0:00 The immortality obsession
    0:30 The male-female survival paradox
    1:34 Prolonging healthy life
    2:07 Squeezing morbidity into fewer years
    3:05 LIfe extension for all
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    About Morgan Levine: Morgan Levine was previously a tenure-track Assistant Professor in the department of Pathology at Yale University where she ran the Laboratory for Aging in Living Systems. In 2022, she was recruited to join Altos Labs as a Founding Principal Investigator at the San Diego Institute of Science. She currently leads a research group at Altos Labs working at the intersection of bioinformatics, cellular biology, complex systems, and biostatistics with the overall goal of understanding the molecular trajectories aging cells, tissues, and organisms take through time.
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    6 min
  • Conflict, crisis, consumption: What’s eating our nation? Amanda Ripley: Full Interview

    **🔥 *Hooked on Hate: Why We Can’t Look Away from Conflict***

    In *High Conflict*, Amanda Ripley dives into the dark heart of human friction — that toxic, magnetic version of conflict we fall into and can’t escape. It’s not just fighting — it’s a cycle of obsession, identity, and self-destruction. Whether it’s politics, relationships, or gang wars, the pattern is the same: we become trapped in an all-or-nothing mindset, harming the very things we swore to protect.

    **🧠 Why We Get Stuck**

    Ripley compares high conflict to a tar pit. It *looks* calm, even inviting — but the moment you step in, you're stuck. Others join in, thinking they’re helping or gaining ground, and they too get trapped. And the harder you fight, the deeper you sink. Your mind narrows, your stress skyrockets, and your judgment crumbles. What begins as a cause turns into a cage.

    **🔁 The Paradox of Wanting In and Out**

    There’s a wild contradiction at the center of high conflict: we *desperately* want to escape it, but we’re also *drawn to it*. It gives us a sense of purpose, of belonging — even as it consumes us. It’s addictive. You’ll lose sleep. You’ll lose perspective. And ironically, you’ll lose the very thing you were fighting for.

    **🎭 We’re All Under a Spell**

    People in high conflict seem like they’re under a spell. They repeat the same conversations. They grow more extreme. Why? Because when we don’t feel heard — and we rarely do — we yell louder, simplify everything, and push further. It becomes about *winning*, not resolving.

    **🎯 The Understory: What Are We *Really* Fighting About?**

    Ripley introduces the idea of the “understory” — the hidden emotional root beneath every loud, surface-level argument. Most fights aren’t about politics, chores, or even ideology — they’re about deeper needs like respect, control, recognition, or care. Miss that, and the real issue festers forever.

    **📉 The Traps We Fall Into**

    Across every example — gangs, divorces, councils — the same trip wires emerge:

    - **Binary thinking**: It’s “us vs. Them.”

    - **Fundamental attribution error**: We excuse *our* actions but label others as evil.

    - **No off-ramp**: People stuck in high conflict often don’t see a way out — or anyone waiting with compassion when they try.

    **🧊 Breaking the Spell**

    To escape, we need something radically different: not avoidance, not surrender, and not war. Ripley champions a fourth path — cultivating *good conflict*: friction that’s productive, honest, and deeply human.

    **🔄 Looping: The Game-Changing Tool**

    The most powerful weapon? *Listening.* Real listening. Ripley teaches “looping” — a method where you reflect back what you hear, check if it’s accurate, and genuinely try to understand. When people feel heard, they open up. They drop their guard. They even understand themselves more clearly.

    **🏀 Real-World Redemption**

    Take Curtis Toler — a former gang leader who broke out of high conflict after an emotional reckoning during his son’s graduation. He had support, faith, and a new community waiting — key ingredients for escape. But most don’t have that. So, the conflict continues.

    **💬 Final Punch**

    You can't change a mind that doesn't feel heard. But when you start to uncover the *understory*, everything changes. The world doesn’t need less conflict — it needs *better* conflict. The kind that builds instead of burns.

    Chapters:-

    00:00 Breaking the cycle of high conflict

    00:23 The psychology of surviving a crisis 

    00:41 The news is broken (and how to fix it)

    00:57 Why people avoid the news, across the globe

    01:07 The illusion of polarization

    About Amanda Ripley:

    Amanda Ripley is a New York Times bestselling author, Washington Post contributor, and co-founder of consultancy firm, Good Conflict. Her books include The Smartest Kids in the World, High Conflict, and The Unthinkable

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    1 hr 26 min

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