| 1 | 3 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 2 |  | All In The Mind | ABC | |
| 6 | 5 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 7 | 4 | W | Wild Tales | Nature Podcast | National Trust | |
| 8 | 3 | I | Instru(mental) | Brea Murakami | |
| 9 | 1 | G | Genetics in Your World | Genetics Society of America | |
| 10 | 1 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 11 | 1 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 12 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 13 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 14 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 15 | 5 |  | Short Wave | NPR | |
| 16 | 1 | K | Key Points | Maxwell J Harrell | |
| 17 | 30 |  | Making Sense with Sam Harris | Sam Harris | |
| 18 | 13 |  | Ancient Aliens | PodcastOne | |
| 19 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 20 | 34 |  | Overheard at National Geographic | National Geographic | |
| 21 | 56 |  | Unexpected Elements | BBC World Service | |
| 22 | 60 |  | Science In Action | BBC World Service | |
| 23 | 4 |  | Science Weekly | The Guardian | |
| 24 | 127 |  | TheThinkingAtheist | The Thinking Atheist | |
| 25 | 4 |  | Big Brains | University of Chicago Podcast Network | |
| 26 | 4 | N | NESG Radio | The Nigerian Economic Summit Group | |
| 27 | 3 | B | Boring History for Sleep | Velvet | |
| 28 | 3 | T | The Turing Podcast | The Alan Turing Institute | |
| 29 | 3 |  | Lost Women of Science | Lost Women of Science | |
| 30 | 3 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 31 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 32 | 3 | P | PsychoShot | MindCraft | |
| 33 | 3 | T | The OTA Podcast | OTA Podcast Committee | |
| 34 | 18 |  | Radiolab | WNYC Studios | |
| 35 | 20 |  | Quarks Daily | Quarks | |
| 36 | 9 |  | More or Less | BBC Radio 4 | |
| 37 | — |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 38 | 25 |  | Unexplainable | Vox | |
| 39 | 5 |  | Medical Basics Podcast - Tips, Tricks, and Advice for Medical and Nursing Students | Medical Basics | |
| 40 | 6 | N | New Books in Economics | Marshall Poe | |
| 41 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 42 | 9 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 43 | 20 |  | Blurry Creatures | Blurry Creatures | |
| 44 | 7 |  | Science Vs | Spotify Studios | |
| 45 | 7 | T | The Engineering Commons Podcast | The Engineering Commons Podcast | |
| 46 | 6 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 47 | 8 |  | The Plodcast | Our Media | |
| 48 | 7 | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 49 | 7 | P | PRIO's Peace in a Pod | Peace Research Institute Oslo | |
| 50 | 14 |  | The Life Scientific | BBC Radio 4 | |
| 51 | 19 |  | Flash Forward | Rose Eveleth | |
| 52 | 9 | A | Amogha. A. K. Podcast: Electrical And Electronics Engineering | Amogha. A. K. Elect and Electro Engg. | |
| 53 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 54 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 55 | 20 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 56 | 7 | T | The Structural Engineering Podcast | Zach and Max | |
| 57 | 7 | O | Office Hours | Biomedical Engineering Society (BMES) | |
| 58 | 14 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 59 | 3 | B | Baobab and Beakers | N. Ore Adesalu | |
| 60 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 61 | — | S | Science Talk Show | Enjoy Facts | |
| 62 | — | P | Public Health (Audio) | UCTV | |
| 63 | — | T | THE RADIOLOGY JAM PODCAST | RADIOLOGY JAM | |
| 64 | — | N | New Books in Genocide Studies | Marshall Poe | |
| 65 | 14 |  | Instant Genius | Our Media | |
| 66 | 14 |  | TED Talks Science and Medicine | TED | |
| 67 | 14 | G | Get The Bug | Umberto Diecinove | |
| 68 | 13 | T | The Human Psyche | Thehumanpsyche | |
| 69 | 11 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 70 | 13 |  | Mind & Matter | Nick Jikomes | |
| 71 | 3 | K | KickBack - The Global Anticorruption Podcast | KickBack | |
| 72 | 3 | M | Medical School Audio | Brad Richardson | |
| 73 | 3 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 74 | 3 |  | The Path to KOL: Empowering Students in Clinical Pharmacy — Residency Aspirants | Rising Clinicians | Mr. David Joshua Ferguson, MS, PharmD Candidate, RSci MRSB MRSC | |
| 75 | 3 | E | Exploring Sociological Theory | Alec McGail | |
| 76 | 3 | H | Healthcare NOW Radio Podcast Network - Discussions on healthcare including technology, innovation, policy, data security, tel | Healthcare NOW Radio and Podcast Network - Radio and Podcasts for the Healthcare Industry | |
| 77 | 3 | L | Land of the Long White Coat | A podcast for medical students | Joshua Smith | |
| 78 | 19 |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 79 | 15 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 80 | 1 |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 81 | 2 |  | You Are Not So Smart | You Are Not So Smart | |
| 82 | 2 |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 83 | 18 | N | New Books in Public Policy | New Books Network | |
| 84 | 18 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 85 | 18 |  | Most Terrifying Places in America | Travel Channel | |
| 86 | 11 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 87 | 11 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 88 | — |  | Maloom | معلوم | Sowt Media | صوت | |
| 89 | 10 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 90 | 10 | T | The Neuro Network | Nick Burgraff, PhD | |
| 91 | 5 |  | The Quanta Podcast | Quanta Magazine | |
| 92 | 7 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 93 | 6 |  | When Science Finds a Way | Wellcome | |
| 94 | — | T | The Future of Energy | University of Southern California | Ershaghi Center for Energy Transition | |
| 95 | — |  | State of Seed | Foreign Policy | |
| 96 | 8 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 97 | 19 |  | Speaking of Psychology | American Psychological Association | |
| 98 | 65 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 99 | 10 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 100 | 10 |  | Invisibilia | NPR | |
