| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 3 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 3 | 14 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 4 | — |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 9 |  | All In The Mind | ABC | |
| 7 | 5 |  | More or Less | BBC Radio 4 | |
| 8 | 2 |  | Radiolab | WNYC Studios | |
| 9 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 4 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 11 | 10 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 12 | — |  | Curious Cases | BBC Radio 4 | |
| 13 | 5 | O | Our Changing World | RNZ | |
| 14 | 10 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 15 | 6 |  | Science Weekly | The Guardian | |
| 16 | 6 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 17 | 40 | T | Two Psychologists Four Beers | Yoel Inbar, Michael Inzlicht, and Alexa Tullett | |
| 18 | 11 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 19 | 8 |  | Science Vs | Spotify Studios | |
| 20 | 5 |  | Speaking of Psychology | American Psychological Association | |
| 21 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 22 | 4 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 23 | 10 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 24 | 126 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 25 | 13 | N | New Books in Anthropology | New Books Network | |
| 26 | 106 |  | The Skeptic Podcast | The Skeptic | |
| 27 | 3 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 28 | 18 |  | The Climate Question | BBC World Service | |
| 29 | 27 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 30 | — |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 31 | 12 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 32 | 10 |  | Unexplainable | Vox | |
| 33 | 13 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 34 | 38 |  | The Plodcast | Our Media | |
| 35 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 36 | 13 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 37 | 11 |  | CrowdScience | BBC World Service | |
| 38 | 11 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 39 | 69 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 40 | 124 |  | Nature Podcast | Springer Nature Limited | |
| 41 | 127 |  | Eons: Surviving Deep Time | PBS | |
| 42 | — | P | Plane Crash Diaries | Desmond Latham | |
| 43 | 9 |  | Discovery | BBC World Service | |
| 44 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 45 | 4 |  | Dr Karl Podcast | triplej | |
| 46 | — | N | New Books in Political Science | New Books Network | |
| 47 | 137 |  | The Episodic Table of Elements | T. R. Appleton | |
| 48 | — |  | The Science of Birds | Ivan Phillipsen | |
| 49 | 17 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 50 | — | B | blurbs | Matt Ross | |
| 51 | 15 | E | Entropy Rising | Jacob and Lucas | |
| 52 | 24 |  | The world, the universe and us | New Scientist | |
| 53 | 14 | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 54 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 55 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 56 | 23 |  | Medical Mentor | Medscape | |
| 57 | 17 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 58 | — | B | BJA Education Podcasts | BJA Education | |
| 59 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 60 | — |  | The Future of Everything | Stanford Engineering | |
| 61 | 26 | N | New Books in Environmental Studies | Marshall Poe | |
| 62 | — |  | Quantitude | Greg Hancock & Patrick Curran | |
| 63 | — | T | The Science of Psychotherapy | Dahlitz Media | |
| 64 | — | M | Modern Physics: The Theoretical Minimum - Quantum Mechanics | Stanford Continuing Studies Program | |
| 65 | — | I | Investigating Breast Cancer | BCRF | |
| 66 | — | T | The Resilience Project | Resilience Project | |
| 67 | — | S | Surgical Hot Topics | Unknown | |
| 68 | 31 | M | Microbiome (Video) | UCTV | |
| 69 | 18 |  | Head Shepherd | Mark Ferguson | |
| 70 | 26 |  | Need To Know | Bryce Zabel | |
| 71 | 28 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 72 | 20 |  | Universe Today Podcast | Fraser Cain | |
| 73 | 74 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 74 | 32 |  | Science In Action | BBC World Service | |
| 75 | 26 |  | Tiny Matters | Multitude | |
| 76 | 31 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 77 | 29 |  | Gastroenterology Learning Network | Gastroenterology Learning Network | |
| 78 | 28 |  | The Science Show | ABC | |
| 79 | 25 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 80 | 25 | L | Lab Notes | Lab Notes | |
| 81 | 21 |  | This Week in Space (Audio) | TWiT | |
| 82 | 17 | S | Space | BBC World Service | |
| 83 | 25 | T | This Natural Life | BBC Radio 4 | |
| 84 | 25 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 85 | 32 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 86 | 20 |  | ExtinctZoo | ExtinctZoo | |
| 87 | 20 | E | Economics In Ten | Economics In Ten | |
| 88 | 102 |  | The Michael Shermer Show | Michael Shermer | |
| 89 | 15 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 90 | 28 |  | The Social Work Lens | Vermont CWTP | |
| 91 | 30 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 92 | 29 | T | The Animal Sensemaker | The Observer | |
| 93 | 20 |  | TED Talks Science and Medicine | TED | |
| 94 | 30 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 95 | 27 | A | Acceptance & Commitment Therapy Questions & Answers | Jacob Martinez | |
| 96 | 27 | Y | Your Place And Mine Podcast | BBC Radio Ulster | |
| 97 | 27 | H | HEPATOLOGY Podcast | AASLD | |
| 98 | 27 | G | Gastroenterology Learning Network | Gastroenterology Learning Network | |
| 99 | 23 |  | Unexpected Elements | BBC World Service | |
| 100 | 25 |  | Overheard at National Geographic | National Geographic | |
