| 1 | 1 |  | More or Less | BBC Radio 4 | |
| 2 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 1 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 4 | 14 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 2 |  | Science Weekly | The Guardian | |
| 6 | 3 |  | ScienceStuff | iHeartPodcasts | |
| 7 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 8 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 9 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 1 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 11 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 12 | 47 | I | In Your Nature | By BirdWatch Ireland | |
| 13 | 4 | C | CountryWide | RTÉ Radio 1 | |
| 14 | 6 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 15 | 8 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 16 | 8 |  | Radiolab | WNYC Studios | |
| 17 | — |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 18 | 8 |  | New Books in Critical Theory | Marshall Poe | |
| 19 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 20 | 5 |  | Unexplainable | Vox | |
| 21 | 2 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 22 | 79 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 23 | 7 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 24 | 34 | B | Best Medicine | BBC Radio 4 | |
| 25 | 35 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 26 | 103 |  | Discovery | BBC World Service | |
| 27 | 8 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 28 | 60 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 29 | 76 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 30 | 77 |  | Ground Truths | Eric Topol | |
| 31 | 127 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 32 | 10 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 33 | 12 |  | Short Wave | NPR | |
| 34 | 157 |  | Regenerative Agriculture Podcast | John Kempf | |
| 35 | — |  | New Books in Psychoanalysis | Marshall Poe | |
| 36 | — | T | The Humble Hoof | Alicia Harlov | |
| 37 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 38 | — | C | Curious Minds Podcast | Ran Levi | |
| 39 | — | T | Tracking Connections | 512 Natural Pathways, LLC | |
| 40 | — | T | The Climate Ambassador Podcast | The Climate Ambassador Podcast | |
| 41 | — | C | Conversations in Drug Development | Boyds | |
| 42 | — |  | How We're Wired | The Bertarelli Foundation | |
| 43 | — |  | Speed & Scale | TED | |
| 44 | 20 | D | Developmental Coordination Disorder (DCD) and motor dyspraxia | wileyblackwellhealth | |
| 45 | — | F | From Bench to Fireside | Parker Institute for Cancer Immunotherapy | |
| 46 | — | T | Teen Scientist | WDIY 88.1 FM | |
| 47 | — |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 48 | — | M | Migration – Darwin College Lecture Series 2018 | Cambridge University | |
| 49 | 24 | T | The Animal Sensemaker | The Observer | |
| 50 | 23 |  | Curious Cases | BBC Radio 4 | |
| 51 | 23 |  | The Astrophysics Podcast | Paul Duffell | |
| 52 | 22 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 53 | 24 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 54 | 22 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 55 | 24 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 56 | 23 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 57 | 23 | T | The bluedot Podcast | bluedot | |
| 58 | 22 | L | La Suite dans les idées | France Culture | |
| 59 | 22 | T | The ConcertAI Podcast | ConcertAI | |
| 60 | 25 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 61 | 23 |  | Nature Podcast | Springer Nature Limited | |
| 62 | 23 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 63 | 22 | T | The Dairy Trail | Agriland Media | |
| 64 | 24 |  | Big Picture Science | Big Picture Science | |
| 65 | 14 |  | Science Quickly | Scientific American | |
| 66 | 23 |  | The Common Descent Podcast | Common Descent | |
| 67 | 25 |  | The Plodcast | Our Media | |
| 68 | 22 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 69 | 22 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 70 | 26 |  | Science Magazine Podcast | Science Magazine | |
| 71 | 32 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 72 | 18 | I | ImmunoTea: Your Immunology Podcast | Lara Dungan | |
| 73 | 24 |  | The Episodic Table of Elements | T. R. Appleton | |
| 74 | 26 |  | The Cartesian Cafe | Timothy Nguyen | |
| 75 | 30 |  | The world, the universe and us | New Scientist | |
| 76 | 26 | P | Phase Space Invaders (ψ) | Miłosz Wieczór | |
| 77 | 25 | C | Countermeasures | Emergent BioSolutions | |
| 78 | 25 | L | Let's Combinate - Drugs + Devices | Subhi Saadeh | |
| 79 | 53 | A | A Brief History of Stuff | Science Museum Group | |
| 80 | 25 | L | Leading Beyond The Lab | ARTO Talent | |
| 81 | 25 | N | Non Verbal Communication What You Don't Say Carries The Most Weight In Your Meeting | Roxani Oikonomou Microexpressions Trainer | |
| 82 | 20 |  | Invisibilia | NPR | |
| 83 | 26 |  | CrowdScience | BBC World Service | |
| 84 | 18 |  | Science Vs | Spotify Studios | |
| 85 | 21 |  | Mind & Life | Mind & Life Institute | |
| 86 | 16 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 87 | 22 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 88 | 25 | F | Farming for Nature | Farming for Nature | |
| 89 | 17 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 90 | 8 |  | Robinson's Podcast | Robinson Erhardt | |
| 91 | 30 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 92 | 11 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 93 | 25 |  | The Eco Well podcast | Jen@theecowell | |
| 94 | 23 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 95 | 26 | L | Love The Bees Podcast | Yvonne Johnston | |
| 96 | 29 |  | Dr Karl Podcast | triplej | |
| 97 | 22 |  | Star Diary | BBC Sky at Night Magazine | |
| 98 | 20 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 99 | 25 | N | New Scientist Weekly | New Scientist | |
| 100 | 23 | ' | 'Mind the Kids': an ACAMH podcast | The Association for Child and Adolescent Mental Health | |
