| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 2 |  | Astrum Space | Astrum | |
| 3 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 5 | — |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 6 | — | F | Future of Poultry | Watt Global Media | |
| 7 | — |  | The Poultry Podcast Show | Wisenetix | |
| 8 | — |  | The Michael Sartain Podcast | Michael Sartain | |
| 9 | — | R | RoK Diagnostics Podcast | Robertson Klaingar | |
| 10 | 1 |  | Radiolab | WNYC Studios | |
| 11 | 1 | R | Relativity: The Special & General Theory | Albert Einstein | |
| 12 | 1 |  | All In The Mind | ABC | |
| 13 | 1 |  | Invisibilia | NPR | |
| 14 | 1 |  | Most Terrifying Places in America | Travel Channel | |
| 15 | 1 | L | LSHTM Viral | LSHTM | |
| 16 | 1 | T | The Leading Voices in Food | Duke World Food Policy Center | |
| 17 | — |  | Ologies with Alie Ward | Alie Ward | |
| 18 | 2 |  | The Astrophysics Podcast | Paul Duffell | |
| 19 | 1 |  | Curious Cases | BBC Radio 4 | |
| 20 | 1 | M | Medical Biochemistry | Ling Hwang | |
| 21 | 1 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 22 | 1 |  | Climate One | Climate One from The Commonwealth Club | |
| 23 | 1 | B | Big Picture Science | Big Picture Science | |
| 24 | — |  | Overheard at National Geographic | National Geographic | |
| 25 | 2 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 26 | — |  | Science Vs | Spotify Studios | |
| 27 | 2 |  | Science Weekly | The Guardian | |
| 28 | 1 |  | More or Less | BBC Radio 4 | |
| 29 | 1 | I | Inside Cancer Careers | National Cancer Institute | |
| 30 | 1 | H | Higher Education Researcher | CHERE@LU | |
| 31 | 1 |  | Everyday Emergency | Doctors Without Borders | |
| 32 | 6 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 33 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 34 | 2 |  | Short Wave | NPR | |
| 35 | 5 |  | Instant Genius | Our Media | |
| 36 | 3 | T | The Dairy Nutrition Blackbelt Podcast | Wisenetix | |
| 37 | 3 |  | The Michael Shermer Show | Michael Shermer | |
| 38 | 3 |  | The Market Gardener Podcast | JM Fortier | |
| 39 | 3 |  | The Geography of Everything | Ronni Ravid & Zenne Hellinga | |
| 40 | — |  | Origin Stories | The Leakey Foundation | |
| 41 | — |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 42 | 41 |  | Ancient Aliens | PodcastOne | |
| 43 | 4 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 44 | 3 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 45 | 3 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 46 | 27 |  | Science Friday | Science Friday and WNYC Studios | |
| 47 | 4 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 48 | 4 | A | Association of Academic Physiatrists | Physiatry News | |
| 49 | 12 |  | BBC Inside Science | BBC Radio 4 | |
| 50 | 5 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 51 | 42 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 52 | — |  | Speaking of Psychology | American Psychological Association | |
| 53 | — |  | Alive Again | iHeartPodcasts | |
| 54 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 55 | 5 | T | The Intern At Work: Internal Medicine | Medicine Pods: The Intern at Work | |
| 56 | 5 | T | THE THANOS SNAP | TheThanosSnap | |
| 57 | 5 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 58 | 5 | P | PsychCrunch | The British Psychological Society Research Digest | |
| 59 | 13 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 60 | 12 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 61 | 6 | V | VoxDev Development Economics | VoxDev.org | |
| 62 | 15 |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 63 | 14 |  | Unexplainable | Vox | |
| 64 | 8 |  | Discovery | BBC World Service | |
| 65 | 3 |  | The Pie: An Economics Podcast | Becker Friedman Institute at UChicago | |
| 66 | 12 |  | Nature Podcast | Springer Nature Limited | |
| 67 | 11 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 68 | 8 |  | You Are Not So Smart | You Are Not So Smart | |
| 69 | 33 | 9 | 99 Topics for the CCFP | Dr. Brady Bouchard | |
| 70 | 19 | N | NESG Radio | The Nigerian Economic Summit Group | |
| 71 | 91 |  | The Path to KOL: Empowering Students in Clinical Pharmacy — Residency Aspirants | Rising Clinicians | Mr. David Joshua Ferguson, MS, PharmD Candidate, RSci MRSB MRSC | |
| 72 | 15 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 73 | 15 | P | Poultry Health Today | Poultry Health Today | |
| 74 | 15 |  | TheThinkingAtheist | The Thinking Atheist | |
| 75 | 7 | T | Take Your Team and Turn It Up! Leadership - Animal Training - Personal Growth | Take Your Team and Turn It Up! Leadership - Animal Training - Personal Growth | |
| 76 | 7 | T | Trees A Crowd | David Oakes | |
| 77 | 2 | W | Wild Tales | Nature Podcast | National Trust | |
| 78 | 17 |  | Somewhere in the Skies | Ryan Sprague | |
| 79 | 103 |  | Chemistry Made Simple | Matthew Macariou | |
| 80 | 17 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 81 | 17 | T | Talk to Your Pharmacist | Pharmacy Advisory Group | |
| 82 | 17 |  | Unexpected Elements | BBC World Service | |
| 83 | 17 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 84 | 17 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 85 | 15 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 86 | 6 | M | MetaCast | Meta-Analysis Academy | |
| 87 | 16 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 88 | 14 | A | An Engineer's Journey | Shelbe Johnson | |
| 89 | 13 |  | the bioinformatics lab | The Bioinformatics Lab | |
| 90 | 13 |  | CrowdScience | BBC World Service | |
| 91 | 13 | W | We Are Together | Huda khan | |
| 92 | 13 |  | AMiNDR: A Month in Neurodegenerative Disease Research | The AMiNDR Team | |
| 93 | 9 |  | Making Sense with Sam Harris | Sam Harris | |
| 94 | 13 | O | One in Ten | National Children's Alliance | |
| 95 | 13 | M | Managed Care Cast | Managed Care Cast | |
| 96 | 9 |  | The Life Scientific | BBC Radio 4 | |
| 97 | 12 | N | New Books in Public Policy | New Books Network | |
| 98 | 12 | W | What The Duck?! | ABC listen | |
| 99 | 11 | N | New Books in Economics | Marshall Poe | |
| 100 | 10 | H | Hello PhD | Joshua Hall and Daniel Arneman, PhDz | |
