| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 6 | — |  | Unexplainable | Vox | |
| 7 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 8 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 9 | 4 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 10 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | 3 |  | Radiolab | WNYC Studios | |
| 12 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 13 | 4 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 14 | 79 |  | The Future of Everything | Stanford Engineering | |
| 15 | 1 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 16 | 20 |  | Discovery | BBC World Service | |
| 17 | 9 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 18 | 10 |  | Overheard at National Geographic | National Geographic | |
| 19 | 19 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 20 | 8 |  | More or Less | BBC Radio 4 | |
| 21 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 22 | 12 | P | Plane Crash Diaries | Desmond Latham | |
| 23 | 26 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 24 | 6 |  | Curious Cases | BBC Radio 4 | |
| 25 | 29 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 26 | 115 |  | Blurry Creatures | Blurry Creatures | |
| 27 | 12 |  | Science Vs | Spotify Studios | |
| 28 | 8 |  | All In The Mind | ABC | |
| 29 | 124 |  | Robinson's Podcast | Robinson Erhardt | |
| 30 | 17 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 31 | 88 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 32 | 126 | B | Before Us | Erich Fisher and Helen Farr | |
| 33 | — |  | NASW Social Work Talks | National Association of Social Workers (NASW) | |
| 34 | 74 |  | Science Magazine Podcast | Science Magazine | |
| 35 | 17 |  | Unexpected Elements | BBC World Service | |
| 36 | 131 | T | The Regenerative Agroforestry Podcast | Dimitri Tsitos & Etienne Compagnon | |
| 37 | 15 |  | The Orthobullets Podcast | Orthobullets | |
| 38 | — | B | Best Medicine | BBC Radio 4 | |
| 39 | — | T | The Animal Sensemaker | The Observer | |
| 40 | — | M | Mobile phone effect | mkhalifa115248 | |
| 41 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 42 | — |  | Instant Genius | Our Media | |
| 43 | — |  | AcresUSA: Tractor Time | Tractor Time by Acres U.S.A. | |
| 44 | — | T | The Intern At Work: Internal Medicine | Medicine Pods: The Intern at Work | |
| 45 | — | T | The Alcohol 'Problem' Podcast | James Morris | |
| 46 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 47 | — | T | The Living Soil Podcast | Grass Roots | |
| 48 | — |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 49 | — | T | Trees A Crowd | David Oakes | |
| 50 | — | R | Resilient Futures Podcast | Future Cities | |
| 51 | — | A | AEA Research Highlights | American Economic Association | |
| 52 | — |  | SolarPunk Permaculture | Sam Betteridge | |
| 53 | — | N | Nature's a Hoot | Hawk Conservancy Trust | |
| 54 | 31 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 55 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 56 | 23 |  | CrowdScience | BBC World Service | |
| 57 | 33 |  | That UFO Podcast | That UFO Podcast | |
| 58 | 31 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 59 | 34 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 60 | 41 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 61 | 30 | T | The Case for Conservation Podcast | www.case4conservation.com | |
| 62 | 25 |  | The Common Descent Podcast | Common Descent | |
| 63 | 7 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 64 | 2 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 65 | 6 |  | Science Friday | Science Friday and WNYC Studios | |
| 66 | 16 |  | Bigfoot Terror in the Woods Sightings and Encounters | W.J. Sheehan | |
| 67 | 38 |  | Science Weekly | The Guardian | |
| 68 | 33 |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 69 | 53 |  | Skeptics with a K | Skeptic Media Limited | |
| 70 | 30 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 71 | 29 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 72 | 29 |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
| 73 | 29 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 74 | 35 |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 75 | 35 | T | The Science of Personality Podcast | Hogan Assessments | |
| 76 | 35 | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 77 | 32 | G | Guardians of the River | Wild Bird Trust, NGOWP, House of Pod | |
| 78 | 32 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 79 | 32 | N | New Books in Environmental Studies | Marshall Poe | |
| 80 | 32 | R | Research Insights, a Society of Actuaries Podcast | Research Insights | |
| 81 | — | P | Physics Chemistry Math 🔥❤️ | Sumit Sahu | |
| 82 | 31 | T | The Science of Psychotherapy | Dahlitz Media | |
| 83 | 31 |  | How We're Wired | The Bertarelli Foundation | |
| 84 | 31 |  | Brain Inspired | Paul Middlebrooks | |
| 85 | 29 | T | The Sociology Show | Matthew Wilkin | |
| 86 | 31 | S | SOA Podcasts - Society of Actuaries | Society of Actuaries (SOA) | |
| 87 | 30 | S | Sociology Ruins Everything | Matt Sedlar | |
| 88 | 30 | S | Sociology | Kai Dejesus-Johnson | |
| 89 | 30 | T | The Integration Station | Michael Crisci, Eleanor White | |
| 90 | 30 |  | سیری در تاریخ و فرهنگ ایران | میرحسن ولوی | |
| 91 | 32 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 92 | 29 |  | Living Planet | DW | |
| 93 | 32 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 94 | 36 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 95 | 25 |  | Nephilim Death Squad | TopLobsta Productions | |
| 96 | 32 |  | Nature Podcast | Springer Nature Limited | |
| 97 | 15 |  | The Michael Shermer Show | Michael Shermer | |
| 98 | 29 | S | Students of Surgery | Martin Brand | |
| 99 | 23 |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 100 | 19 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
