| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | A Question of Science | The Francis Crick Institute | |
| 3 | — |  | More or Less | BBC Radio 4 | |
| 4 | 2 |  | Science Weekly | The Guardian | |
| 5 | 2 |  | That's Just Wild | Fresh Air | |
| 6 | 2 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 7 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 9 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 3 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 11 | — |  | Science Vs | Spotify Studios | |
| 12 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 13 | 7 | B | Boring History for Sleep | Velvet | |
| 14 | 5 |  | Radiolab | WNYC Studios | |
| 15 | 5 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 16 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 17 | 4 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 18 | 2 |  | Naturebang | BBC Radio 4 | |
| 19 | 11 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 20 | 7 |  | The Psychology Podcast | iHeartPodcasts | |
| 21 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 22 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 23 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 24 | 6 |  | Oceanography | Pine Forest Media | |
| 25 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 26 | 4 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 27 | 2 |  | CrowdScience | BBC World Service | |
| 28 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 29 | 7 | I | In Your Nature | By BirdWatch Ireland | |
| 30 | 9 |  | Babbage from The Economist | The Economist | |
| 31 | 1 |  | That UFO Podcast | That UFO Podcast | |
| 32 | 16 | F | Farming for Nature | Farming for Nature | |
| 33 | 15 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 34 | 5 |  | The Plodcast | Our Media | |
| 35 | — |  | Science In Action | BBC World Service | |
| 36 | 16 |  | Unexplainable | Vox | |
| 37 | 20 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 38 | 5 |  | Great Mysteries of Physics | The Conversation | |
| 39 | 7 |  | Cool Worlds Podcast | coolworldslab | |
| 40 | 20 |  | Astrum Space | Astrum | |
| 41 | 1 |  | Unexpected Elements | BBC World Service | |
| 42 | 1 | S | Stream Full Audiobook in Science & Technology, Psychology & The Mind | hotaudiobook.com | |
| 43 | 1 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 44 | 1 | S | Shots of Science Vs | Spotify Studios | |
| 45 | — | M | Matters Microbial | Mark O. Martin | |
| 46 | 2 | D | DéPOT: Deindustrialization and the Politics of Our Time | Deindustrialization and the Politics of Our Time | |
| 47 | — |  | Imagining Tomorrow | Emma Newman with Friends of the Earth | |
| 48 | 23 |  | The Common Descent Podcast | Common Descent | |
| 49 | 22 |  | Rare Earth | BBC Radio 4 | |
| 50 | 27 |  | The world, the universe and us | New Scientist | |
| 51 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 52 | 22 | F | Full PreFrontal: Exposing the Mysteries of Executive Function | Sucheta Kamath | |
| 53 | 17 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 54 | 22 | B | BJA Education Podcasts | BJA Education | |
| 55 | 18 |  | Regenerative Agriculture Podcast | John Kempf | |
| 56 | — |  | Speaking of Psychology | American Psychological Association | |
| 57 | 14 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 58 | 25 |  | The Life Scientific | BBC Radio 4 | |
| 59 | 24 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 60 | 22 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 61 | 20 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 62 | 26 | R | Radio Paranormalium - wszystkie audycje | Radio Paranormalium | |
| 63 | 17 |  | This Week in Virology | Vincent Racaniello | |
| 64 | 20 | T | The Signpost Series | Teagasc | |
| 65 | 19 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 66 | 28 | N | Naturefile | RTÉ lyric fm | |
| 67 | 24 | P | PsychCrunch | The British Psychological Society Research Digest | |
| 68 | 20 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 69 | 20 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 70 | 24 | F | Feet on the Soil | Soil Boy | |
| 71 | 16 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 72 | 27 | C | Cows and Effect | Paul Allison and Michael Blanche | |
| 73 | 16 |  | Chemistry Made Simple | Matthew Macariou | |
| 74 | 16 | P | Pete the Vet's Podcast | Pete Wedderburn | |
| 75 | 16 |  | This Week in Neuroscience | Vincent Racaniello | |
| 76 | 16 | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 77 | 30 | E | ECDC: On Air | European Centre for Disease Prevention and Control | |
| 78 | 30 |  | SunCast | Nico Johnson | |
| 79 | 30 | S | SoundPower | Martyn Ware and Cherub Sanson | |
| 80 | 30 | T | The NREL Podcast | NREL | |
| 81 | 30 |  | The Clean Energy Revolution | National Grid | |
| 82 | 30 |  | Leaders in SHAPE | The British Academy | |
| 83 | 30 |  | The Thoughtful Counselor | The Thoughful Counselor Team | |
| 84 | 30 | T | The Alcohol 'Problem' Podcast | James Morris | |
| 85 | 29 | 2 | 28 Ways to Save the World | Newstalk | |
| 86 | 28 |  | Short Wave | NPR | |
| 87 | 22 |  | Let's Learn Everything! | Maximum Fun | |
| 88 | — |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 89 | 29 |  | Accidental Gods | Accidental Gods | |
| 90 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 91 | 32 |  | Your Brain On Climate | Dave Powell | |
| 92 | 14 | U | UGST4227 - Political Communication under Globalisation & IRB 114 International Relations Seminar | Vincent MO | |
| 93 | 29 | C | CountryWide | RTÉ Radio 1 | |
| 94 | 33 |  | Drilled | Pushkin Industries | |
| 95 | 27 |  | All In The Mind | ABC | |
| 96 | 14 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 97 | 31 |  | The Climate Question | BBC World Service | |
| 98 | 31 | T | The We Society | AcSS | |
| 99 | 30 |  | Curiosity Weekly | Discovery | |
| 100 | 30 |  | The Futurists | Brett King, JP Nicols, Jason Henrichs | |
