| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 3 |  | Unexplainable | Vox | |
| 4 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 5 | 2 |  | Radiolab | WNYC Studios | |
| 6 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 8 | 2 |  | Overheard at National Geographic | National Geographic | |
| 9 | 1 |  | Discovery | BBC World Service | |
| 10 | 1 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 11 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | 1 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 13 | 2 |  | Speed & Scale | TED | |
| 14 | 11 |  | Science Weekly | The Guardian | |
| 15 | 44 |  | Short Wave | NPR | |
| 16 | 24 |  | Curious Cases | BBC Radio 4 | |
| 17 | 17 |  | The Psychology Podcast | iHeartPodcasts | |
| 18 | 24 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 19 | 3 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 20 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 22 | 10 |  | Speaking of Psychology | American Psychological Association | |
| 23 | 2 | I | Ideas of India | Mercatus Center at George Mason University | |
| 24 | 13 |  | Science Vs | Spotify Studios | |
| 25 | 11 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 26 | — |  | Career Conversations | Royal College of Physicians of Edinburgh | |
| 27 | — |  | Flash Forward | Rose Eveleth | |
| 28 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 29 | — |  | Brain Inspired | Paul Middlebrooks | |
| 30 | 14 | S | Sher Khan | Aaj Tak Radio | |
| 31 | — |  | RSM River Mechanics Podcast | Stanford Gibson | |
| 32 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 33 | 47 |  | The Climate Question | BBC World Service | |
| 34 | 18 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 35 | 127 |  | Universe Today Podcast | Fraser Cain | |
| 36 | 29 | A | American Journal of Psychiatry Audio | American Journal of Psychiatry | |
| 37 | 9 |  | This Week in Cardiology | Medscape | |
| 38 | 54 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 39 | 22 |  | BrainStuff | iHeartPodcasts | |
| 40 | 17 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 41 | 66 | C | CME in Minutes: Education in Dermatology | Answers in CME | |
| 42 | 24 |  | TED Talks Science and Medicine | TED | |
| 43 | 80 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 44 | 143 |  | Science In Action | BBC World Service | |
| 45 | 69 | P | Psychology | Yale School of Medicine | |
| 46 | 63 |  | Nature Podcast | Springer Nature Limited | |
| 47 | 23 |  | Biotech 2050 Podcast | Biotech 2050 | |
| 48 | 28 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 49 | 105 |  | American Innovations | Audible | |
| 50 | 24 |  | Living Planet | DW | |
| 51 | — | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 52 | — | C | CIPR Engage Podcast | ciprengage | |
| 53 | 143 |  | The world, the universe and us | New Scientist | |
| 54 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 55 | — |  | The Life Scientific | BBC Radio 4 | |
| 56 | — |  | Unexpected Elements | BBC World Service | |
| 57 | — | T | The Practical Dermatology Podcast | Practical Dermatology | |
| 58 | — |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 59 | — |  | Outside/In | NHPR | |
| 60 | — |  | Ground Truths | Eric Topol | |
| 61 | — | T | The Big Melt | Gen-Z Media | |
| 62 | 35 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 63 | — |  | The Hydrogen Podcast | Paul Rodden | |
| 64 | 33 |  | How We're Wired | The Bertarelli Foundation | |
| 65 | 32 |  | Ologies with Alie Ward | Alie Ward | |
| 66 | — |  | Dermatology Snapshots | Dr Vanessa Pinder | |
| 67 | — |  | This Week in Neuroscience | Vincent Racaniello | |
| 68 | — |  | Manifold | Steve Hsu | |
| 69 | 34 | R | Relaxing Music For Sleep And Stress Relief | AK Entertainments | |
| 70 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 71 | — | N | New Books in Sociology | New Books Network | |
| 72 | — |  | Intelligent Design the Future | Discovery Institute | |
| 73 | — | T | Talking Humanitarianism | Norwegian Centre for Humanitarian Studies | |
| 74 | — | S | Stories of Our Skin | International Alliance for Global Health Dermatology (GLODERM) | |
| 75 | — | S | Sludgefest | Sludgefest | |
| 76 | — | B | BJD Talks | BJD | |
| 77 | 48 |  | The Analytical Wavelength | ACD/Labs | |
| 78 | — | E | EADV Podcast | EADV | |
| 79 | — | F | From where does it STEM? | JP Flores (he/him) | |
| 80 | — | T | The Secret Files | Practical Dermatology | |
| 81 | 51 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 82 | 54 | B | BJA Education Podcasts | BJA Education | |
| 83 | 5 |  | Science Quickly | Scientific American | |
| 84 | 43 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 85 | 53 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 86 | 48 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 87 | 3 |  | CrowdScience | BBC World Service | |
| 88 | 45 | N | New Books in Anthropology | New Books Network | |
| 89 | 4 |  | The Michael Shermer Show | Michael Shermer | |
| 90 | 51 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 91 | 42 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 92 | 24 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 93 | 20 |  | Regenerative Agriculture Podcast | John Kempf | |
| 94 | 11 |  | Science Friday | Science Friday and WNYC Studios | |
| 95 | 14 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 96 | 51 |  | More or Less | BBC Radio 4 | |
| 97 | 14 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 98 | 38 |  | Drilled | Pushkin Industries | |
| 99 | 51 |  | Ask a Spaceman! | Paul M. Sutter | |
| 100 | 53 |  | Back of the Napkin - Inspiring Stories from Biotech Pioneers | Bio-Techne | |
