| 1 | 8 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 2 |  | More or Less | BBC Radio 4 | |
| 3 | 93 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 4 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 3 | L | Love The Bees Podcast | Yvonne Johnston | |
| 6 | 1 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 7 | 4 |  | Curious Cases | BBC Radio 4 | |
| 8 | 9 |  | Where Inches Matter by Agraforum | Agraforum NZ | |
| 9 | 4 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 10 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 12 | 135 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 13 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 14 | — | B | Best Medicine | BBC Radio 4 | |
| 15 | 7 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 16 | 41 |  | Unexplainable | Vox | |
| 17 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 18 | 5 |  | CrowdScience | BBC World Service | |
| 19 | 166 |  | Kosmographia | Randall Carlson | |
| 20 | — |  | Invisibilia | NPR | |
| 21 | 5 |  | The world, the universe and us | New Scientist | |
| 22 | 19 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 23 | 9 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 24 | 11 |  | Science Weekly | The Guardian | |
| 25 | 13 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 26 | 77 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 27 | 61 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 28 | 63 |  | Short Wave | NPR | |
| 29 | 99 |  | Accidental Gods | Accidental Gods | |
| 30 | 125 | C | Conversation Beneath The Trees | Conversation Beneath The Trees | |
| 31 | 159 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 32 | — |  | AcresUSA: Tractor Time | Tractor Time by Acres U.S.A. | |
| 33 | — | T | Two Psychologists Four Beers | Yoel Inbar, Michael Inzlicht, and Alexa Tullett | |
| 34 | 148 | S | Safari Stories | Trunks and Tracks | |
| 35 | — | I | Irish Wildlife Trust | Irish Wildlife Trust | |
| 36 | — | G | Geoengineering Watch Global Alert News | Dane Wigington | |
| 37 | — | W | Women In Sustainability | Efeca | |
| 38 | — |  | Psychoanalysis & You | APsA American Psychoanalytic Association | |
| 39 | — | P | PharmaSource Podcast | Life Science Networks | |
| 40 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 41 | 25 | M | miłosz brzeziński | miłosz brzeziński | |
| 42 | — |  | Big Brains | University of Chicago Podcast Network | |
| 43 | — |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 44 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 45 | — |  | My Big TOE by Thomas Campbell - Unifying Mind and Matter | Thomas Campbell together with the MBT Volunteers | |
| 46 | — |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 47 | — | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 48 | — | S | See See by Ceci | Dr. Cecilia Ponce Rivera | |
| 49 | — | J | Jon Richardson and the Futurenauts | Keep It Light Media | |
| 50 | — | L | Life Science Solutions | Kymanox | |
| 51 | — | T | This Week I Learned | The Week | |
| 52 | 2 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 53 | 35 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 54 | 34 |  | Speaking of Psychology | American Psychological Association | |
| 55 | 36 |  | The Quanta Podcast | Quanta Magazine | |
| 56 | 28 |  | Nature Podcast | Springer Nature Limited | |
| 57 | 36 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 58 | 34 |  | Paranormal Portal | Brent Thomas | |
| 59 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 60 | 33 | F | Farming Today | BBC Radio 4 | |
| 61 | 6 |  | The Michael Shermer Show | Michael Shermer | |
| 62 | 40 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 63 | 32 |  | TheThinkingAtheist | The Thinking Atheist | |
| 64 | 34 | C | CountryWide | RTÉ Radio 1 | |
| 65 | 22 |  | Почему мы еще живы | libo/libo | |
| 66 | 41 | F | Farming for Nature | Farming for Nature | |
| 67 | 38 | T | The Sod Pod | Grassland Agro | |
| 68 | 29 |  | Let's Learn Everything! | Maximum Fun | |
| 69 | 32 | T | The Signpost Series | Teagasc | |
| 70 | 26 |  | Geology Bites | Oliver Strimpel | |
| 71 | 38 | T | The Dairy Trail | Agriland Media | |
| 72 | 37 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 73 | 35 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 74 | 38 | W | Whiskey & International Relations Theory | Drs. Patrick Thaddeus Jackson & Daniel Nexon | |
| 75 | 33 |  | Ancient Aliens | PodcastOne | |
| 76 | 30 | C | Conservation and Science | Tommy's Outdoors | |
| 77 | 43 |  | Radiolab | WNYC Studios | |
| 78 | 24 |  | Robinson's Podcast | Robinson Erhardt | |
| 79 | 30 | C | CLINICAL DATA MANAGEMENT | Institute of Biostatistics and Analyses | |
| 80 | 40 |  | Clinical Chemistry Podcast | Association for Diagnostics and Laboratory Medicine | |
| 81 | 36 | L | Lab Notes | Allen Institute | |
| 82 | 35 | D | Discussions about Cardiology from theheart.org | theheart.org | |
| 83 | 35 | S | Sciware سايوير | محمد قاسم | |
| 84 | 31 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 85 | 27 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 86 | 35 |  | Unexpected Elements | BBC World Service | |
| 87 | 55 |  | BBC Inside Science | BBC Radio 4 | |
| 88 | 1 |  | That UFO Podcast | That UFO Podcast | |
| 89 | 33 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 90 | 31 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 91 | 19 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 92 | 29 |  | Mysterious Universe | 8th Kind | |
| 93 | 32 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 94 | 22 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 95 | 33 |  | This Week in Neuroscience | Vincent Racaniello | |
| 96 | 36 | I | In Your Nature | By BirdWatch Ireland | |
| 97 | 33 |  | Regenerative Agriculture Podcast | John Kempf | |
| 98 | 33 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 99 | 33 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 100 | 30 | N | Naturefile | RTÉ lyric fm | |
