| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 3 |  | Unexplainable | Vox | |
| 4 | 1 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 5 | — |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 24 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 7 | 1 |  | Science Vs | Spotify Studios | |
| 8 | 4 |  | Radiolab | WNYC Studios | |
| 9 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 11 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 12 | — | I | Ideas of India | Mercatus Center at George Mason University | |
| 13 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 14 | 154 |  | The world, the universe and us | New Scientist | |
| 15 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 17 | — |  | Overheard at National Geographic | National Geographic | |
| 18 | 4 |  | You Are Not So Smart | You Are Not So Smart | |
| 19 | 15 |  | Science Weekly | The Guardian | |
| 20 | 16 | B | Boring History for Sleep | Velvet | |
| 21 | 2 |  | Short Wave | NPR | |
| 22 | 5 |  | The Quanta Podcast | Quanta Magazine | |
| 23 | 23 |  | The Episodic Table of Elements | T. R. Appleton | |
| 24 | 11 |  | Origin Stories | The Leakey Foundation | |
| 25 | — |  | Speaking of Psychology | American Psychological Association | |
| 26 | 6 |  | How We're Wired | The Bertarelli Foundation | |
| 27 | 5 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 28 | 3 |  | All In The Mind | ABC | |
| 29 | 34 |  | The Future of Everything | Stanford Engineering | |
| 30 | 14 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 31 | 53 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 32 | 12 | P | Physics World Stories Podcast | Physics World | |
| 33 | 15 |  | Night Science | Itai Yanai & Martin Lercher | |
| 34 | 53 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 35 | 29 |  | Curious Cases | BBC Radio 4 | |
| 36 | 87 |  | The House of Surgery | The American College of Surgeons | |
| 37 | 13 |  | Babbage from The Economist | The Economist | |
| 38 | 17 | P | Psychology | Yale School of Medicine | |
| 39 | 13 |  | Discovery | BBC World Service | |
| 40 | 135 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 41 | — |  | The Archaeology Show | Archaeology Podcast Network | |
| 42 | 129 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 43 | 156 | R | Radiology AI Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 44 | 128 |  | The Astrophysics Podcast | Paul Duffell | |
| 45 | 142 | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 46 | — |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 47 | 24 |  | The Orthobullets Podcast | Orthobullets | |
| 48 | — |  | Outside/In | NHPR | |
| 49 | — | A | Arxiv Papers | Igor Melnyk | |
| 50 | — |  | Geology Bites | Oliver Strimpel | |
| 51 | — | H | Hiss & Tell: Cat Behavior and Beyond | Kristiina Wilson | |
| 52 | — | T | The Surgery Talks Podcast | Surgery Talks Team | |
| 53 | — | R | Radiology Advances Podcast | RSNA | The Radiological Society of North America | |
| 54 | — |  | Mongabay Newscast | Mongabay.com | |
| 55 | — |  | The Micah Hanks Program | Micah Hanks | |
| 56 | — | T | The Reading Room with Diagnostic Imaging | Diagnostic Imaging | |
| 57 | — | V | Video and Lectures - CTisus.com | Elliot K. Fishman, MD, FACR | |
| 58 | — | T | The Science Behind Mysteries | Jay Govindji | |
| 59 | — | O | One World, One Health | One Health Trust | |
| 60 | — | T | The Human Zoo | BBC Radio 4 | |
| 61 | 33 |  | Science Friday | Science Friday and WNYC Studios | |
| 62 | 39 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 63 | 34 |  | The Hydrogen Podcast | Paul Rodden | |
| 64 | 25 |  | Astrum Space | Astrum | |
| 65 | 15 |  | SciShow Tangents | Complexly | |
| 66 | 28 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 67 | 30 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 68 | 35 |  | TED Talks Science and Medicine | TED | |
| 69 | 29 |  | This Week in Neuroscience | Vincent Racaniello | |
| 70 | 23 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 71 | 30 | P | PharmaSource Podcast | Life Science Networks | |
| 72 | 36 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 73 | 96 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 74 | — |  | Unsung Science | CBS News | |
| 75 | — |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 76 | 10 | S | Sher Khan | Aaj Tak Radio | |
| 77 | 35 | B | Biology in Numbers | The Society for Mathematical Biology | |
| 78 | 34 | O | Otolaryngologic Clinics (Elsevier) | Otolaryngologic Clinics | |
| 79 | 30 |  | Nature India Podcast | Nature India | |
| 80 | 32 |  | Great Mysteries of Physics | The Conversation | |
| 81 | 36 |  | Scotland Outdoors | BBC Radio Scotland | |
| 82 | 29 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 83 | 33 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 84 | 33 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 85 | 33 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 86 | — | E | EyePod: Podcasts from Ophthalmology Times | EyePod: Podcasts from Ophthalmology Times | |
| 87 | 31 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 88 | 34 | V | VoxTalks Economics | VoxTalks | |
| 89 | 46 |  | CrowdScience | BBC World Service | |
| 90 | 35 | T | The AI Research Deep Dive | The AI Research Deep Dive | |
| 91 | 6 |  | Science Quickly | Scientific American | |
| 92 | 31 |  | The Science of Everything Podcast | James Fodor | |
| 93 | 12 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 94 | 34 | T | The Rearview | The Hindu | |
| 95 | 38 | T | The Practical Dermatology Podcast | Practical Dermatology | |
| 96 | 45 |  | The History of Chemistry | Steve Cohen | |
| 97 | 17 |  | Curiosity Weekly | Discovery | |
| 98 | 36 | T | The International Security Podcast | International Security | |
| 99 | 25 | N | New Books in Public Policy | New Books Network | |
| 100 | 41 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
