| 1 | — |  | Where The Wild Thoughts Are | Jo Marchant | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 21 |  | More or Less | BBC Radio 4 | |
| 4 | 5 |  | Science Weekly | The Guardian | |
| 5 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 19 |  | Curious Cases | BBC Radio 4 | |
| 7 | 8 |  | Unexplainable | Vox | |
| 8 | 2 |  | Radiolab | WNYC Studios | |
| 9 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 10 | 71 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 11 | — |  | Flash Forward | Rose Eveleth | |
| 12 | 7 |  | Ologies with Alie Ward | Alie Ward | |
| 13 | 9 | I | In Your Nature | By BirdWatch Ireland | |
| 14 | 6 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 15 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 17 | 24 |  | BBC Inside Science | BBC Radio 4 | |
| 18 | 10 |  | Re:Energise from ESB | ESB | |
| 19 | 24 | F | Farming Today | BBC Radio 4 | |
| 20 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 21 | 43 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 22 | 46 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 23 | 11 | I | Irish Wildlife Trust | Irish Wildlife Trust | |
| 24 | 88 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 25 | 116 | C | CountryWide | RTÉ Radio 1 | |
| 26 | 13 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 27 | 12 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 28 | 112 |  | Nature Podcast | Springer Nature Limited | |
| 29 | 15 | B | Boring History for Sleep | Velvet | |
| 30 | 84 |  | Babbage from The Economist | The Economist | |
| 31 | 15 |  | Astrum Space | Astrum | |
| 32 | 116 |  | My Big TOE by Thomas Campbell - Unifying Mind and Matter | Thomas Campbell together with the MBT Volunteers | |
| 33 | 147 |  | All In The Mind | ABC | |
| 34 | 154 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 35 | 18 |  | The Life Scientific | BBC Radio 4 | |
| 36 | — |  | Accidental Gods | Accidental Gods | |
| 37 | — | E | Elfonomics - with Elf Lyons and Dr Gerard Lyons | Elfonomics | |
| 38 | — | К | Кортекс | Anastasia Neklyudova & Daria Kleeva | |
| 39 | — |  | Native Plants, Healthy Planet | Pinelands Nursery, Bleav | |
| 40 | — | M | Mushroom Revival Podcast | Alex Dorr | |
| 41 | — | W | Wild Beings Podcast | Wild Beings Podcast | |
| 42 | — | N | Neuropsych on the Mic | Society for Clinical Neuropsychology | |
| 43 | 25 | P | PharmaSource Podcast | Life Science Networks | |
| 44 | 27 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 45 | 25 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 46 | 24 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 47 | 24 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 48 | 22 |  | The Psychology Podcast | iHeartPodcasts | |
| 49 | 72 | N | Naturefile | RTÉ lyric fm | |
| 50 | 23 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 51 | 22 |  | Rare Earth | BBC Radio 4 | |
| 52 | 22 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 53 | 18 |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 54 | 23 |  | Periodically | University of Oxford Chemistry Department | |
| 55 | 23 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 56 | 23 |  | Inflection Point | C&EN | |
| 57 | 19 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 58 | 24 | N | New Books in Environmental Studies | Marshall Poe | |
| 59 | 23 |  | Grey Dynamics | Grey Dynamics | |
| 60 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 61 | 24 |  | Indigenous Earth Community Podcast | Frank Oscar Weaver | |
| 62 | — |  | The NASS Podcast | North American Spine Society | |
| 63 | 23 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 64 | 30 |  | The world, the universe and us | New Scientist | |
| 65 | 23 |  | Discovery | BBC World Service | |
| 66 | 20 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 67 | 84 |  | CrowdScience | BBC World Service | |
| 68 | 6 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 69 | — |  | Science In Action | BBC World Service | |
| 70 | 26 |  | TED Talks Science and Medicine | TED | |
| 71 | 26 |  | American Innovations | Audible | |
| 72 | 25 | W | Wild Tales | Nature Podcast | National Trust | |
| 73 | 20 | D | Das soziologische Duett | PD Dr. Udo Thiedeke | |
| 74 | 25 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 75 | 27 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 76 | 21 | T | The Physio Matters Podcast | Jack Chew | |
| 77 | 11 |  | This Week in Virology | Vincent Racaniello | |
| 78 | 22 |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
| 79 | 29 |  | Blurry Photos | David Flora | |
| 80 | 29 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 81 | 29 | A | Advances in Women's Health | ReachMD | |
| 82 | 28 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 83 | 26 | N | Nature Magic | Mary Bermingham | |
| 84 | 26 | P | Play Therapy Community | Jackie Flynn, EMDRIA Approved Consultant | |
| 85 | 26 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 86 | 26 | T | The Self Careapist Therapist Podcast | Lorain Moorehead | |
| 87 | 26 | G | Going to Extremes | UNOCT International Hub on Behavioural Insights to Counter Terrorism | |
| 88 | 26 | 一 | 一口經濟學 bitesize economics | Charles Liao | |
| 89 | 26 | M | Mi Jardín en el Desierto | Mi Jardín en el Desierto | |
| 90 | 20 |  | The Plodcast | Our Media | |
| 91 | 14 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 92 | 19 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 93 | — |  | Universe Today Podcast | Fraser Cain | |
| 94 | 29 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 95 | 28 |  | COMPLEXITY | Santa Fe Institute | |
| 96 | 24 |  | Science Vs | Spotify Studios | |
| 97 | 19 |  | Naturebang | BBC Radio 4 | |
| 98 | 23 |  | Let's Learn Everything! | Maximum Fun | |
| 99 | 23 | M | Making Science with Tom Whipple | The Times | |
| 100 | 20 |  | Alive Again | iHeartPodcasts | |
