| 1 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | 2 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 4 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | — |  | Ologies with Alie Ward | Alie Ward | |
| 6 | — | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 7 | 12 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | — | B | Boring Science For Sleep | Sleepless Scientist | |
| 9 | — | V | Vertical Farming Podcast - Conversations with CEOs, Founders & Leaders in AgTech & CEA | Harry Duran | |
| 10 | 8 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 11 | 4 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 12 | 4 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 13 | — |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
| 14 | 5 |  | Unexplainable | Vox | |
| 15 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 16 | 6 |  | The Life Scientific | BBC Radio 4 | |
| 17 | 5 |  | Invisibilia | NPR | |
| 18 | 5 | N | New Scientist Colab Podcasts | DMG Media | |
| 19 | 5 |  | Why Do We Do That? | BBC Radio 4 | |
| 20 | 5 | N | New Scientist CultureLab | New Scientist | |
| 21 | 5 | V | Veritalk | Harvard Graduate School of Arts and Sciences | |
| 22 | 5 | O | Outsmarting Implicit Bias | Outsmarting Implicit Bias | |
| 23 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 24 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 25 | 4 |  | MinuteEarth | Minute Earth | |
| 26 | 4 |  | The Michael Shermer Show | Michael Shermer | |
| 27 | 4 |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 28 | 10 |  | Ancient Aliens | PodcastOne | |
| 29 | 4 | B | Boring History for Sleep | Velvet | |
| 30 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 31 | 2 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 32 | 6 |  | More or Less | BBC Radio 4 | |
| 33 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 34 | 2 |  | Mara | mara Santos | |
| 35 | 5 |  | Unexpected Elements | BBC World Service | |
| 36 | 2 |  | Discovery to Recovery | Society of Economic Geologists | |
| 37 | 8 |  | Instant Genius | Our Media | |
| 38 | 1 | N | New Books in Economics | Marshall Poe | |
| 39 | 56 | D | Discovering Forestry | Discovering Forestry | |
| 40 | 5 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 41 | 2 | K | Key Points | Maxwell J Harrell | |
| 42 | 2 | P | PsychoShot | MindCraft | |
| 43 | 1 | T | The Boma | International Livestock Research Institute | |
| 44 | 2 | I | inControl | Alberto Padoan | |
| 45 | 43 |  | The Quanta Podcast | Quanta Magazine | |
| 46 | 73 | T | The Science of Self | Peter Hollins | |
| 47 | 7 |  | All In The Mind | ABC | |
| 48 | 21 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 49 | 21 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 50 | — | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 51 | 15 |  | Short Wave | NPR | |
| 52 | 13 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 53 | 16 |  | Curious Cases | BBC Radio 4 | |
| 54 | 3 |  | The Climate Question | BBC World Service | |
| 55 | — |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 56 | — |  | Public Health is Dead | Public Health is Dead | |
| 57 | 5 | N | NESG Radio | The Nigerian Economic Summit Group | |
| 58 | 2 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 59 | 2 | S | Small Islands Big Picture | ODI Resilient and Sustainable Islands Initiative (RESI) | |
| 60 | 19 |  | Alive Again | iHeartPodcasts | |
| 61 | 14 |  | Overheard at National Geographic | National Geographic | |
| 62 | 14 |  | Discovery | BBC World Service | |
| 63 | 14 | N | New Books in Public Policy | New Books Network | |
| 64 | 3 | W | World Resources Institute Podcasts Plus | WRI's Big Ideas Into Action podcast | |
| 65 | 3 |  | Sea Change | WWNO & WRKF | |
| 66 | — |  | Furqan Qureshi Blogs | furqan Qureshi Blogs | |
| 67 | — | T | The Practical Dermatology Podcast | Practical Dermatology | |
| 68 | — |  | Physics World Weekly Podcast | Physics World | |
| 69 | 17 |  | The Medbullets Step 1 Podcast | Medbullets | |
| 70 | 17 |  | The DemystifySci Podcast | DemystifySci | |
| 71 | 17 | I | Intertek's Assurance in Action Podcast Network | Intertek | |
| 72 | 4 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 73 | 18 |  | ACEP Frontline - Emergency Medicine | Ryan A. Stanton MD, FACEP | |
| 74 | 3 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 75 | 3 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 76 | 3 |  | The Astrophysics Podcast | Paul Duffell | |
| 77 | 21 | N | NASA's The Incredible Two-Inch Universe Activity (Audio & ASL) | NASA/Chandra X-ray Center | |
| 78 | 21 | W | World Bank Group │ What Have We Learned? The Evaluation Podcast | World Bank Group / Independent Evaluation Group | |
| 79 | 21 | C | Climate Connections | Yale Center for Environmental Communication | |
| 80 | 21 | V | Voices: The EISA Podcast | EISA | |
| 81 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 82 | 19 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 83 | 3 | R | Rain Sounds Podcast | Natural Podcasts | |
| 84 | 20 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 85 | 2 | W | Wild Tales | Nature Podcast | National Trust | |
| 86 | 5 | I | Instru(mental) | Brea Murakami | |
| 87 | 22 |  | Aporia Podcast | Aporia Magazine | |
| 88 | 22 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 89 | 19 |  | madukovich's cogitations | Madukovich | |
| 90 | 19 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 91 | 19 | B | Books Brothers | booksbrothers | |
| 92 | 19 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 93 | 19 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 94 | 19 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 95 | 3 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 96 | 3 | G | Genetics in Your World | Genetics Society of America | |
| 97 | 3 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 98 | 18 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 99 | 18 |  | CrowdScience | BBC World Service | |
| 100 | 18 |  | Universe Today Podcast | Fraser Cain | |
