| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 2 |  | The Rest Is Science | Goalhanger | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | — |  | Science Vs | Spotify Studios | |
| 6 | 1 | B | Boring History for Sleep | Velvet | |
| 7 | 2 |  | More or Less | BBC Radio 4 | |
| 8 | 3 |  | Unexplainable | Vox | |
| 10 | 4 |  | The Quanta Podcast | Quanta Magazine | |
| 11 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 13 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 14 | 3 |  | Science Weekly | The Guardian | |
| 15 | 12 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 10 |  | Astrum Space | Astrum | |
| 17 | 6 | I | Ideas of India | Mercatus Center at George Mason University | |
| 18 | 4 |  | Overheard at National Geographic | National Geographic | |
| 19 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 20 | 12 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 21 | 9 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 22 | 7 |  | Speaking of Psychology | American Psychological Association | |
| 23 | 12 |  | The Psychology Podcast | iHeartPodcasts | |
| 24 | — |  | Babbage from The Economist | The Economist | |
| 25 | 50 |  | The Astrophysics Podcast | Paul Duffell | |
| 26 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 27 | 1 |  | This Week in Cardiology | Medscape | |
| 28 | 32 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 29 | 10 |  | Planet Em | Emily McDonald | |
| 30 | 21 |  | BBC Inside Science | BBC Radio 4 | |
| 31 | — | T | The Intern At Work: Internal Medicine | Medicine Pods: The Intern at Work | |
| 32 | 6 |  | Curious Cases | BBC Radio 4 | |
| 33 | 99 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 34 | 5 |  | Pale Blue Pod | Multitude | |
| 35 | 20 |  | CrowdScience | BBC World Service | |
| 36 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 37 | 13 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 38 | 53 |  | The History of Chemistry | Steve Cohen | |
| 39 | 43 | D | Dev and Doc: AI For Healthcare Podcast | Dev and Doc | |
| 40 | 21 |  | Short Wave | NPR | |
| 41 | 28 |  | Discovery | BBC World Service | |
| 42 | 14 |  | New Books in Critical Theory | Marshall Poe | |
| 43 | — |  | Drilled | Pushkin Industries | |
| 44 | 39 |  | EarthWise | Vivaan Mathur | |
| 45 | 123 | 6 | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | |
| 46 | 15 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 47 | 7 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 47 | 3 | S | Simple IB Biology | Amirali Ghajari | |
| 48 | 27 |  | Nature Podcast | Springer Nature Limited | |
| 50 | — | M | Maths on the Move | plus.maths.org | |
| 50 | 14 | T | The IB Biology Experience | Krish Malhotra | |
| 51 | 27 |  | Science Friday | Science Friday and WNYC Studios | |
| 52 | 7 |  | Great Mysteries of Physics | The Conversation | |
| 53 | 10 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 54 | 3 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 55 | 13 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 56 | 11 | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 57 | 103 |  | Bigfoot Society | Jeremiah Byron | |
| 58 | 27 |  | Curiosity Weekly | Discovery | |
| 59 | 37 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 60 | 74 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 61 | 110 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 62 | 16 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 63 | 19 |  | Robinson's Podcast | Robinson Erhardt | |
| 64 | 88 |  | Furqan Qureshi Blogs | furqan Qureshi Blogs | |
| 65 | 8 |  | Unexpected Elements | BBC World Service | |
| 66 | 42 |  | All In The Mind | ABC | |
| 67 | 9 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 68 | 40 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 69 | 48 |  | The Life Scientific | BBC Radio 4 | |
| 70 | 47 |  | You Are Not So Smart | You Are Not So Smart | |
| 71 | 10 | P | PharmaSource Podcast | Life Science Networks | |
| 72 | 7 | P | Pharma Market Access Insights - from Petauri Evidence | Petauri Evidence | |
| 73 | 6 | C | Center of Excellence - Pharma 4.0 by Dr. Jayant Joshi | Dr. Jayant Joshi | |
| 74 | — |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 74 | 22 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 75 | 51 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 77 | 1 |  | Regenerative Agriculture Podcast | John Kempf | |
| 78 | 20 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 79 | 48 | V | VoxTalks Economics | VoxTalks | |
| 80 | 42 | E | ERS Publications Podcasts | ERS Publications Podcasts | |
| 80 | 16 |  | Accidental Gods | Accidental Gods | |
| 81 | 10 |  | Neuroscience of Everything | Dr Nand Muley, Ph.D. | |
| 81 | 47 |  | Mysterious Universe | 8th Kind | |
| 82 | 21 | I | Ideas in Development | Ideas in Development | |
| 83 | 22 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 84 | 104 |  | Dil ki Baat | 💗Radha 💗Sings💗 | |
| 85 | 8 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 85 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 87 | 49 |  | The Future of Everything | Stanford Engineering | |
| 88 | — | R | RadioGraphics Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 88 | 5 |  | Physics World Weekly Podcast | Physics World | |
| 89 | 44 | T | The Engineering Passion Express | Brandon Donnelly | |
| 90 | — | V | VoxDev Development Economics | VoxDev.org | |
| 90 | 39 |  | Critical Matters | Sound Physicians | |
| 91 | 67 |  | Let's Learn Everything! | Maximum Fun | |
| 91 | — |  | 과학하고 앉아있네 | 과학하고 앉아있네 | |
| 92 | 22 |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 93 | — | M | Mathematics Simplified | Anjali Sharma | |
| 94 | 55 |  | Living Planet | DW | |
| 95 | 7 |  | The Michael Shermer Show | Michael Shermer | |
