| 1 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 2 | 1 |  | Curious Cases | BBC Radio 4 | |
| 3 | 2 | N | Naturefile | RTÉ lyric fm | |
| 4 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 4 |  | Science Weekly | The Guardian | |
| 6 | 21 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 7 | 4 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 8 | 1 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 9 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 7 |  | The world, the universe and us | New Scientist | |
| 11 | 5 |  | The Life Scientific | BBC Radio 4 | |
| 12 | 7 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 13 | 9 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 14 | 15 |  | Alive Again | iHeartPodcasts | |
| 15 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 17 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 18 | 49 | H | Humans in Public Health | Brown University School of Public Health | |
| 19 | 50 | T | The Artificial Human | BBC Radio 4 | |
| 20 | 10 | C | CountryWide | RTÉ Radio 1 | |
| 21 | 58 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 22 | 10 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 23 | 104 |  | Science In Action | BBC World Service | |
| 24 | 9 |  | More or Less | BBC Radio 4 | |
| 25 | 11 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 26 | 13 |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 27 | 2 | W | Wild Tales | Nature Podcast | National Trust | |
| 28 | 108 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 29 | — |  | Regenerative Agriculture Podcast | John Kempf | |
| 30 | 12 |  | All In The Mind | ABC | |
| 31 | 11 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 32 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 33 | — |  | Blurry Creatures | Blurry Creatures | |
| 34 | — | B | Black Hole | Quiet. Please | |
| 35 | — | T | The Vet Pod | The Vet Pod | |
| 36 | — | E | Economics In Ten | Economics In Ten | |
| 37 | 6 |  | Science Vs | Spotify Studios | |
| 38 | — | N | Naruhodo | B9, Naruhodo, Ken Fujioka, Altay de Souza | |
| 39 | — |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 40 | — | C | Converging Dialogues | Converging Dialogues | |
| 41 | — | R | ReGenAg Chat | Liz Genever and Nic Renison | |
| 42 | — | 摊 | 摊牌｜创业观察 | 湾区A姐 | |
| 43 | — | T | The Criminology Academy | Jose Sanchez and Jenn Tostlebe | |
| 44 | — | A | A Terra é redonda (mesmo) | revista piauí | |
| 45 | 21 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 46 | 23 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 47 | 16 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 48 | 18 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 49 | 23 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 50 | 11 |  | Ologies with Alie Ward | Alie Ward | |
| 51 | 5 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 52 | 24 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 53 | 21 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 54 | 21 |  | Science Friday | Science Friday and WNYC Studios | |
| 55 | 15 |  | The Michael Shermer Show | Michael Shermer | |
| 56 | 21 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 57 | 23 |  | Mysterious Universe | 8th Kind | |
| 58 | 22 | C | Conservation and Science | Tommy's Outdoors | |
| 59 | 15 |  | Ask a Spaceman! | Paul M. Sutter | |
| 60 | 23 |  | Почему мы еще живы | libo/libo | |
| 61 | 16 | Q | Qubit Podcast | QUBIT.HU | |
| 62 | 21 |  | How We're Wired | The Bertarelli Foundation | |
| 63 | 21 |  | The Quanta Podcast | Quanta Magazine | |
| 64 | 26 |  | Need To Know | Bryce Zabel | |
| 65 | 12 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 66 | 20 |  | Crazy Town | Post Carbon Institute | |
| 67 | 20 | T | The Human Subject | BBC Radio 4 | |
| 68 | 20 | C | Chasing Consciousness | Freddy Drabble | |
| 69 | 20 | A | Aha! Behind True Crime – Verbrechen und Ermittlungen | WELT | |
| 70 | 20 |  | COR2ED - Hematology Medical Conversation | COR2ED Medical Education | |
| 71 | 20 | T | That Implementation Science Podcast | Mike Pullmann | |
| 72 | 20 |  | MinuteEarth | Minute Earth | |
| 73 | 19 |  | Speaking of Psychology | American Psychological Association | |
| 74 | 19 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 75 | — | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 76 | 19 |  | Discovery | BBC World Service | |
| 77 | 18 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 78 | 20 |  | The Plodcast | Our Media | |
| 79 | 6 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 80 | 19 |  | Robinson's Podcast | Robinson Erhardt | |
| 81 | 4 |  | Unexplainable | Vox | |
| 82 | 6 | I | In Your Nature | By BirdWatch Ireland | |
| 83 | 23 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 84 | 4 |  | Radiolab | WNYC Studios | |
| 85 | 11 |  | Scotland Outdoors | BBC Radio Scotland | |
| 86 | 20 | O | Owl Posting | Abhishaike Mahajan | |
| 87 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 88 | 26 | S | Science4Parliament Podcast | Bridging the gap between science and decision-making | |
| 89 | 26 | W | Why We Care | Tiphaine Marie | |
| 90 | 26 |  | The Common Descent Podcast | Common Descent | |
| 91 | 26 | P | Public Health Insight | PHI Media | |
| 92 | 11 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 93 | 25 | I | Intertek's Assurance in Action Podcast Network | Intertek | |
| 94 | 24 | T | Talk to Your Pharmacist | Pharmacy Advisory Group | |
| 95 | 24 | A | Acceptance & Commitment Therapy Questions & Answers | Jacob Martinez | |
| 96 | 24 |  | A Moment in Health with Dr. Ashish Jha | Brown University School of Public Health | |
| 97 | 19 |  | The Psychology Podcast | iHeartPodcasts | |
| 98 | — |  | That UFO Podcast | That UFO Podcast | |
| 99 | 17 |  | Geology Bites | Oliver Strimpel | |
| 100 | 17 | C | Counting the Earth | Counting the Earth | |
