Best Significant Scientist Podcasts (2025)

1
Terracycle: Recycling Everything from Plastics to Global Waste Solutions 1:10:59

Play Pause

6h ago1:10:59

1:10:59

Terracycle is proving that almost anything can be recycled, from cigarette butts to ocean plastics, transforming how the world thinks about waste. In this episode of How to Protect the Ocean, Andrew Lewin speaks with Tom Szaky, the founder and CEO of TerraCycle, to explore how his company is creating global recycling programs that redefine sustaina…

1
Essentials: Science of Mindsets for Health & Performance | Dr. Alia Crum 38:55

1d ago38:55

38:55

In this Huberman Lab Essentials episode, my guest is Dr. Alia Crum, PhD, professor of psychology at Stanford University and the director of the Stanford Mind & Body Lab. Dr. Crum explains that our mindsets—for example, what we believe about stress, exercise and the food we eat—shape how we feel, behave and even how our bodies respond. We discuss st…

1
Shark Meat Fed To Students: Brazil’s Hidden School Lunch Scandal 1:05:31

2d ago1:05:31

1:05:31

Shark Meat Fed To Students in Brazil’s public institutions has sparked outrage after Mongabay uncovered thousands of tons of mislabeled shark meat, including endangered species like angelsharks, being served in schools, hospitals, prisons, and elderly care centers. Labeled as “cação” or “angel fish,” these meals were consumed by thousands of unsusp…

1
Oceana Working to Protect Endangered Species: How Legal Action Safeguards Whales and Sea Turtles 50:56

2d ago50:56

50:56

Oceana, working to protect endangered species, is at the heart of this powerful episode featuring Tara Brock, an environmental lawyer advocating for ocean life. Tara unpacks how the Endangered Species Act is used to protect humpback whales and sea turtles, and how legal tools like this remain essential to ocean conservation. As threats like ship st…

1
How to Set & Achieve Massive Goals | Alex Honnold 1:49:27

4d ago1:49:27

1:49:27

My guest is Alex Honnold, a professional rock climber considered by many to be one of the greatest athletes of all time for his historic free solo (no ropes or man-made holds) ascent of El Capitan in Yosemite. We discuss how to envision massive goals in any part of life and the process of breaking down those goals into actionable daily steps. Alex …

1
Starting an Environmental Nonprofit: The Balean Founders Story with Bart Oor and Sander Brienen 55:20

7d ago55:20

55:20

Starting an environmental nonprofit often begins with a vision and the determination to make a difference, but it also comes with challenges in funding, community support, and long-term sustainability. In this episode of How to Protect the Ocean, Bart Oor and Sander Brienen share the story of how they created Balean, a platform designed to help ind…

1
Essentials: Effects of Fasting & Time Restricted Eating on Fat Loss & Health 44:11

8d ago44:11

44:11

In this Huberman Lab Essentials episode, I explore intermittent fasting and time-restricted eating, highlighting the positive benefits for weight loss, metabolism, organ health, circadian rhythms and cellular repair. I explain a practical framework for designing a time-restricted eating window that aligns with your lifestyle, exercise schedule and …

1
Pacific Islands Marine Monument Rollback and Court Reversal Explained 59:44

9d ago59:44

59:44

Pacific Islands Heritage Marine National Monument: For over a decade, these waters stood as one of the largest no-take zones on Earth, safeguarding corals, fish, and migratory species. But on day one of his presidency, Donald Trump erased the U.S. commitment to 30x30 and soon after issued Proclamation 10918, opening parts of the monument to commerc…

1
Science & Health Benefits of Belief in God & Religion | Dr. David DeSteno 2:24:33

11d ago2:24:33

2:24:33

My guest is Dr. David DeSteno, PhD, a professor of psychology at Northeastern University. We discuss science, God and religion, including what science can and can’t reveal about the existence of God and where religious faith and science do and do not align. We also discuss why questions about life’s origins, miracles and the afterlife have persiste…

1
Less than 400 Left: How Media Coverage Shapes the Fate of North Atlantic Right Whales 1:07:57

14d ago1:07:57

1:07:57

Less than 400 left — that’s how many North Atlantic right whales remain in the world. These critically endangered whales are at the center of an urgent conservation story, but how the media communicates about them plays a powerful role in shaping public awareness and action. In this episode of How to Protect the Ocean, Andrew Lewin sits down with D…

1
Essentials: Timing Light for Better Sleep, Energy & Mood | Dr. Samer Hattar 35:19

15d ago35:19

35:19

In this Huberman Lab Essentials episode, my guest is Dr. Samer Hattar, PhD, the Chief of the Section on Light and Circadian Rhythms at the National Institute of Mental Health. We discuss how light powerfully shapes mood, sleep, appetite, learning and overall mental health by aligning—or misaligning—our internal circadian clock. We explain practical…

1
Using Stem Cells to Cure Autism, Epilepsy & Schizophrenia | Dr. Sergiu Pașca 2:23:29

18d ago2:23:29

2:23:29

My guest is Dr. Sergiu Pașca, MD, professor of psychiatry and behavioral sciences at Stanford University. We discuss the biology and genetics of autism, why autism diagnoses are increasing and recent progress in using stem cells to understand and treat profound autism and other brain disorders. Dr. Pașca explains “organoids and assembloids”—human s…

1
Ep81 Unlocking Team Potential in IG Group 39:40

18d ago39:40

39:40

Send us a text What if everything you thought you knew about identifying potential in your team was based on flawed assumptions? In this thought-provoking conversation with Adam Wheelwright, Chief Technology Officer at IG Group, we challenge conventional wisdom around talent assessment and high-performance cultures. Drawing from his 30 years of exp…

1
Managing Fishing Vessels: Uncovering the Hidden Ownership of Industrial Fleets 59:43

19d ago59:43

59:43

Managing fishing vessels goes far beyond tracking where a boat is registered. In this episode, we dive into Oceana’s Beyond the Flag report to explore how large-scale fishing vessels are often flagged in one country but owned in another, creating dangerous loopholes that allow illegal, unreported, and unregulated (IUU) fishing to thrive. This legal…

1
Plastic pollution in the ocean: How the Global Treaty Could Change Everything 19:33

21d ago19:33

19:33

Plastic pollution in the ocean is no longer just an environmental issue—it’s a public health crisis and an economic threat. In this episode, I break down the latest updates from the UN negotiations on a global plastics treaty, explaining why the talks in Geneva this month could set the course for the next generation’s relationship with plastic. Fro…

1
Essentials: Controlling Your Dopamine for Motivation, Focus & Satisfaction 38:37

22d ago38:37

38:37

In this Huberman Lab Essentials episode, I explain how dopamine regulates motivation and provide science-based tools to help improve focus, discipline and overall drive. I explore how particular activities affect dopamine levels and discuss how the highs, lows and baseline levels of dopamine shape your motivation and long-term satisfaction. I also …

1
How 5 billion sea stars died and what we can do to save them 8:35

23d ago8:35

8:35

How 5 billion sea stars died is a story that shook marine ecosystems along North America’s Pacific coast. This episode dives into the groundbreaking discovery of the bacterium Vibrio pectenicida, the pathogen responsible for sea star wasting disease, which decimated up to 90% of sunflower sea stars. We explore how the loss of these predators caused…

1
How to Rewire Your Brain & Learn Faster | Dr. Michael Kilgard 3:09:50

25d ago3:09:50

3:09:50

In this episode, my guest is Dr. Michael Kilgard, PhD, a professor of neuroscience at the University of Texas at Dallas and a leading expert on neuroplasticity and learning across the lifespan. We discuss the need for alertness, effortful focus, post-learning reflection and sleep to induce neuroplasticity, and how dopamine, acetylcholine, serotonin…

1
Scientist Identifies New Manta Ray Species: Dr. Andrea Marshall’s Discovery of the Atlantic Manta 8:43

26d ago8:43

8:43

Scientist Identifies New Manta Ray Species—the Atlantic Manta Ray, Mobula yarae—in a groundbreaking announcement from Dr. Andrea Marshall and her team at the Marine Megafauna Foundation. In this episode, Andrew Lewin shares the story of how Dr. Marshall, already renowned for identifying two distinct manta species in 2009, confirmed a long-suspected…

1
Essentials: Increase Strength & Endurance with Cooling Protocols | Dr. Craig Heller 36:19

29d ago36:19

36:19

In this Huberman Lab Essentials episode, my guest is Dr. Craig Heller, PhD, a professor of biology at Stanford University and a world expert on the science of temperature regulation. We discuss how the body and brain regulate temperature in different conditions and why conventional cooling methods, such as placing ice packs on the neck, do not effe…

1
Climate Crisis and Capitalism: David Suzuki on Why We Must Rethink Everything 36:07

30d ago36:07

36:07

Climate Crisis and Capitalism are at the heart of David Suzuki’s powerful message in this episode. In a candid and impassioned reflection, Suzuki warns that if we continue to prioritize politics and the economy over protecting the environment, we may as well give up on climate action. He challenges the cultural obsession with perpetual economic gro…

1
How to Control Your Cortisol & Overcome Burnout 2:16:36

1M ago2:16:36

2:16:36

In this episode, I explain cortisol and science-based protocols for properly setting your cortisol rhythm, which can significantly increase your daytime energy, focus, mood, and stress resilience, while also improving your sleep quality. Most people mistakenly think cortisol is bad, and many assume their levels are too high, when in fact many healt…

1
Map the Deep Sea: How Ocean Mapping Drives Conservation, Equity, and Innovation 46:24

1M ago46:24

46:24

Map the Deep Sea to protect what we don’t yet understand. In this episode, Andrew Lewin speaks with Tim Kearns from Map the Gaps, a global initiative working to close the knowledge gap beneath the waves. With over 75% of the seafloor still unmapped in high resolution, the ocean remains Earth’s final frontier—and unlocking its secrets is essential f…

1
Ocean Books and Solarpunk Stories: Todd Medema’s Climate Heist Novel to Inspire Action 43:54

1M ago43:54

43:54

Ocean Books can do more than entertain—they can inspire action, hope, and a fresh way of thinking about climate change. In this episode, Todd Medema introduces his new novel, How to Surf a Hurricane, a solarpunk heist that imagines a near-future world adapting to climate change. Todd and Andrew Lewin explore how fiction can shift the narrative from…

1
Essentials: ADHD & How Anyone Can Improve Their Focus 42:41

1M ago42:41

42:41

In this Huberman Lab Essentials episode, I explore the biology and psychology of attention-deficit/hyperactivity disorder (ADHD), and discuss both prescription and non-prescription treatment options. I discuss the neural circuits involved in attention and concentration, emphasizing dopamine's role in regulating and coordinating focus. I explain how…

1
Coffee and the Environment: The Hidden Cost of Your Daily Brew 1:07:55

1M ago1:07:55

1:07:55

Coffee and the environment are deeply intertwined, yet few consumers realize just how damaging the coffee industry can be. In this episode, Etelle Higonnet, a Yale-trained human rights lawyer and founder of Coffee Watch, joins Andrew to explore the environmental and human rights crises associated with global coffee production. From deforestation an…

1
Male vs. Female Brain Differences & How They Arise From Genes & Hormones | Dr. Nirao Shah 2:26:58

1M ago2:26:58

2:26:58

My guest is Dr. Nirao Shah, MD, PhD, a professor of psychiatry, behavioral sciences and neurobiology at Stanford University School of Medicine. We discuss how the brains of males and females differ and how those differences arise from different genes and hormones during fetal development, in childhood and adulthood. We discuss what drives male- ver…

1
Ep80 Mental Health at Work: Breaking the Stigma 41:34

1M ago41:34

41:34

Send us a text Episodes are available here https://www.thecpo.co.uk/ To follow Zircon on LinkedIn and to be first to hear about podcasts, publications and news, please like and follow us: https://www.linkedin.com/company/zircon-consulting-ltd/ To access the research white papers mentioned in this and other podcasts, please go to: https://zircon-mc.…

1
Plastic Pollution in the Ocean: Why It’s Time to Ban Styrofoam for Good 1:00:22

1M ago1:00:22

1:00:22

Plastic foam pollution continues to be a widespread and dangerous threat to ocean health. In this episode of How to Protect the Ocean, Oceana’s Christy Leavitt breaks down their 2025 report exposing the true environmental cost of expanded polystyrene foam (EPS) used in foodware across the US. With shocking statistics and real-life examples, Christy…

1
Shark Week 2025 Why Shark Week’s “Dancing With Sharks” Episode Got It So Wrong 12:52

1M ago12:52

12:52

Shark Week 2025 opened with a spectacle that left many conservationists and shark advocates frustrated. The premiere episode, Dancing With Sharks, featured handlers hugging, hand-feeding, and even riding sharks—behaviors that distort shark biology and promote a dangerous misunderstanding of these wild animals. In this episode, we examine how the us…

1
Essentials: Psychedelics for Treating Mental Disorders | Dr. Matthew Johnson 39:09

1M ago39:09

39:09

In this Huberman Lab Essentials episode, my guest is Dr. Matthew Johnson, PhD, a senior researcher for the Center of Excellence for Psilocybin Research and Treatment at Sheppard Pratt’s Institute for Advanced Diagnostics and Therapeutics. We explore the science and therapeutic potential of psychedelic medicine, including psilocybin, MDMA and LSD. W…

1
How to Protect Sharks: What Actually Works (and What Doesn’t) 7:46

1M ago7:46

7:46

How to Protect Sharks isn’t just about banning shark finning or posting awareness videos. It’s about understanding what really works—supporting science-based policies, enforcing marine protected areas, backing local researchers, and stopping the spread of misinformation. In this episode, we clear up the confusion around shark conservation and focus…

1
Health Effects & Risks of Kratom, Opioids & Other Natural Occurring Medicines | Dr. Chris McCurdy 2:44:07

2M ago2:44:07

2:44:07

My guest is Dr. Chris McCurdy, PhD, FAAPS, professor of medicinal chemistry at the University of Florida and a world expert on the pharmacology of kratom and other plant-derived medicinal compounds. We discuss kratom’s wide-ranging effects, including its use for boosting energy, enhancing mood, managing pain and as a potential opioid substitute, wh…

1
How Marine Conservation Works: From Community Action to Global Policy 18:06

2M ago18:06

18:06

How Marine Conservation Works is the foundation for protecting our oceans, but it’s often misunderstood. In this episode, we break down how marine conservation really happens—from grassroots community efforts and local fisheries management to scientific input and national policies. You’ll learn why effective conservation requires more than just goo…

1
Texas Flood 2025: Smarter Tools Needed To Save Lives 53:03

2M ago53:03

53:03

Texas Flood 2025 revealed just how urgently we need smarter tools in disaster response. In this episode, Dave Jones, founder of StormCenter Communications, explains how his team used satellite imagery and real-time mapping to support emergency responders during the catastrophic floods. Their data helped identify stranded residents, blocked roads, a…

1
Essentials: Healthy Eating & Eating Disorders - Anorexia, Bulimia, Binging 44:36

2M ago44:36

44:36

In this Huberman Lab Essentials episode, I discuss both healthy eating and clinically recognized eating disorders, including anorexia, bulimia and binge eating disorder. I explain how brain circuits, hormones such as leptin and reward systems interact to regulate appetite, satiety and overall eating behaviors. I also discuss the serious health risk…