| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 3 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 4 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 5 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | — | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 7 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 8 | — |  | Science Weekly | The Guardian | |
| 9 | — | N | Naturefile | RTÉ lyric fm | |
| 10 | — | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 11 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 12 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 13 | — |  | Radiolab | WNYC Studios | |
| 14 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 15 | — |  | Ologies with Alie Ward | Alie Ward | |
| 16 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 17 | — |  | More or Less | BBC Radio 4 | |
| 18 | — | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 19 | — |  | Nature Podcast | Springer Nature Limited | |
| 20 | — |  | Science In Action | BBC World Service | |
| 21 | — |  | Unexpected Elements | BBC World Service | |
| 22 | — |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 23 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 24 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 25 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 26 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 27 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 28 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 29 | — | F | Futureproof with Jonathan McCrea | Newstalk | |
| 30 | — | U | Umwelt | Ryan Pemberton | |
| 31 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 32 | — |  | Somewhere in the Skies | SpectreVision Radio | |
| 33 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 34 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 35 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 36 | — |  | The Couples Therapist Couch | Shane Birkel | |
| 37 | — |  | Speaking of Psychology | American Psychological Association | |
| 38 | — |  | The world, the universe and us | New Scientist | |
| 39 | — |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 40 | — | F | First Line | Whole Person, Holistic Mental Health & Medical Education | Dr. Aubrey Ann Jackson | |
| 41 | — | I | ICI Edition | ICI Berlin Institute for Cultural Inquiry | |
| 42 | — |  | Invisibilia | NPR | |
| 43 | — |  | Deep Seed - Regenerative Agriculture | Raphael Esterhazy | |
| 44 | — | S | Stroke Alert | Negar Asdaghi, MD, MSc, FRCPC, FAHA | |
| 45 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 46 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 47 | — | C | Ci vuole una scienza | Il Post | |
| 48 | — |  | ASTRO Journals | Various | |
| 49 | — | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 50 | — |  | Neurosurgery Podcast | Neurosurgery Podcast | |
| 51 | — | T | The BIG Think | mackenzie peterson | |
| 52 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 53 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 54 | — | C | CME in Minutes: Education in Dermatology | Answers in CME | |
| 55 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 56 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 57 | — |  | SuperHumanizer Podcast | Dr. Hani Chaabo & Katie Bogen M.A. | |
| 58 | — |  | The Plodcast | Our Media | |
| 59 | — |  | Science Talk | Scientific American | |
| 60 | — |  | Most Terrifying Places in America | Travel Channel | |
| 61 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 62 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 63 | — | T | The Physio Matters Podcast | Jack Chew | |
| 64 | — |  | This Week in Cardiology | Medscape | |
| 65 | — | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 66 | — |  | Quantum Healthy | Laura Kissmann & Andeea Rae | |
| 67 | — | T | The WildX Podcast | Andy Green, Mike Phelps and Adam Juckes | |
| 68 | — | J | Joy in Academia | Joy in Academia | |
| 69 | — | N | New Scientist Weekly | New Scientist | |
| 70 | — |  | New Books in Psychoanalysis | Marshall Poe | |
| 71 | — |  | Quirks and Quarks | CBC | |
| 72 | — |  | Blurry Creatures | Blurry Creatures | |
| 73 | — |  | How We're Wired | The Bertarelli Foundation | |
| 74 | — | B | BJA Education Podcasts | BJA Education | |
| 75 | — | C | Clinical Pharmacology Podcast with Nathan Teuscher | Nathan Teuscher | |
| 76 | — | S | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 77 | — | T | The Radio Birdsong Podcast | Quentin Howard at Radio Birdsong | |
| 78 | — | F | Farming for Nature | Farming for Nature | |
| 79 | — | C | Conversation Beneath The Trees | Conversation Beneath The Trees | |
| 80 | — | E | eanCast: Weekly Neurology | ean.org | |
| 81 | — | D | Down the Hatch - The Swallowing Podcast | Down the Hatch - The Swallowing Podcast | |
| 82 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 83 | — |  | The Climate Question | BBC World Service | |
| 84 | — |  | Drilled | Pushkin Industries | |
| 85 | — |  | Discovery | BBC World Service | |
| 86 | — | R | Relate your Research - a social work podcast | Relate your Research - A research conversation podcast | |
| 87 | — |  | American Innovations | Audible | |
| 88 | — | I | In Your Nature | By BirdWatch Ireland | |
| 89 | — |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 90 | — | E | Ecolution | RTÉ Kids | |
| 91 | — |  | BBC Inside Science | BBC Radio 4 | |
| 92 | — |  | Decouple | Dr. Chris Keefer | |
| 93 | — |  | HOLOSKY PODCAST | Holosky Podcast | |
| 94 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 95 | — |  | Science Vs | Spotify Studios | |
| 96 | — | D | Dear Social Worker, Let's Talk | Le'Siran Edwards | |
| 97 | — | T | The Science of Creativity | Keith Sawyer | |
| 98 | — |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 99 | — |  | The Michael Shermer Show | Michael Shermer | |
| 100 | — |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
