| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 5 |  | Radiolab | WNYC Studios | |
| 5 | 1 |  | Unexplainable | Vox | |
| 6 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 11 |  | Curious Cases | BBC Radio 4 | |
| 8 | 27 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 9 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 10 | 3 | V | Villa Botcast | Villa Crop Protection | |
| 11 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 5 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 13 | 23 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 14 | 9 | D | Data Science Decoded | Mike E | |
| 15 | 25 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 16 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 17 | 6 |  | More or Less | BBC Radio 4 | |
| 18 | 12 |  | Science Vs | Spotify Studios | |
| 19 | 3 |  | Discovery | BBC World Service | |
| 20 | 31 |  | Mongabay Newscast | Mongabay.com | |
| 21 | — | S | Space | BBC World Service | |
| 22 | 28 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 23 | 40 |  | Great Mysteries of Physics | The Conversation | |
| 24 | 65 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 25 | 17 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 26 | 94 | S | Students of Surgery | Martin Brand | |
| 27 | 68 |  | The Science of Everything Podcast | James Fodor | |
| 28 | 68 | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 29 | 150 |  | Skeptoid | Brian Dunning | |
| 30 | 110 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 31 | 6 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 32 | 91 |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 33 | 81 | B | BJA Education Podcasts | BJA Education | |
| 34 | 117 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 35 | 109 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 36 | 138 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 37 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 38 | 43 |  | All In The Mind | ABC | |
| 39 | 143 |  | Mythfits | Pionaire Podcasting | |
| 40 | — |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 41 | — |  | Der KI-Podcast | ARD | |
| 42 | — | G | Green Noise | CapeNature | |
| 43 | — |  | Science with Sabine | Sabine Hossenfelder | |
| 44 | — |  | Chemistry Made Simple | Matthew Macariou | |
| 45 | — | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 46 | — | G | Global Food Security | Cambridge University | |
| 47 | — | P | Pushing Boundaries with Dr. Thomas R Verny | Thomas | |
| 48 | 11 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 49 | 33 |  | The Orthobullets Podcast | Orthobullets | |
| 50 | 31 |  | The Psychology Podcast | iHeartPodcasts | |
| 51 | 37 |  | Alive Again | iHeartPodcasts | |
| 52 | 28 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 53 | 38 |  | Why Do We Do That? | BBC Radio 4 | |
| 54 | 28 |  | Science Friday | Science Friday and WNYC Studios | |
| 55 | 52 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 56 | — | A | Audio Only The Nuclear Medicine and Molecular Medicine Podcast | Rob Williams | |
| 57 | 23 |  | Science Weekly | The Guardian | |
| 58 | 79 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 59 | 39 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 60 | 34 |  | When Science Finds a Way | Wellcome | |
| 61 | 33 |  | Invisibilia | NPR | |
| 62 | 23 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 63 | — |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 64 | — | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 65 | 24 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 66 | 39 |  | Overheard at National Geographic | National Geographic | |
| 67 | — |  | The Medbullets Step 1 Podcast | Medbullets | |
| 68 | — | A | Ask the Naked Scientists | Dr Chris Smith | |
| 69 | — |  | Physics World Weekly Podcast | Physics World | |
| 70 | 91 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 71 | — | I | It Happened To Me: A Rare Disease and Medical Challenges Podcast | Cathy Gildenhorn, Beth Glassman, and Kira Dineen (DNA Today) | |
| 72 | — | B | Becoming a Medical Examiner | Erik Handberg, MD | |
| 73 | 43 |  | Science Friction | ABC | |
| 74 | — |  | Medical Basics Podcast - Tips, Tricks, and Advice for Medical and Nursing Students | Medical Basics | |
| 75 | 44 |  | The Hydrogen Podcast | Paul Rodden | |
| 76 | 44 | T | The Practical Dermatology Podcast | Practical Dermatology | |
| 77 | 44 | M | Mission Energiewende – Der Klima-Podcast | detektor.fm – Das Podcast-Radio | |
| 78 | 49 |  | Speaking of Psychology | American Psychological Association | |
| 79 | 34 |  | CrowdScience | BBC World Service | |
| 80 | 6 |  | Cryptic Chronicles | Cryptic Chronicles | |
| 81 | 6 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 82 | 44 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 83 | 35 | B | Boring History for Sleep | Velvet | |
| 84 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 85 | 72 |  | Unexpected Elements | BBC World Service | |
| 86 | 39 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 87 | 45 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 88 | 1 |  | The Life Scientific | BBC Radio 4 | |
| 89 | 46 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 90 | 13 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 91 | 47 |  | The Astrophysics Podcast | Paul Duffell | |
| 92 | 35 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 93 | 6 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 94 | 42 | T | The Power Shift: Decolonising Development | Kate Bird | |
| 95 | 42 | F | Fire Science Show | Wojciech Wegrzynski | |
| 96 | 37 |  | Bedtime Astronomy | Synthetic Universe | |
| 97 | 37 | R | Rapids by Songs 4 FRCR | Songs 4 FRCR Rapids | |
| 98 | 44 |  | Green Cover Podcast | Keith Berns | |
| 99 | 44 |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 100 | 44 | P | Postdoctoral Podcast | Charles University | |
