| 1 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 4 | 1 | I | Ideas of India | Mercatus Center at George Mason University | |
| 5 | 1 |  | Unexplainable | Vox | |
| 6 | 2 |  | Overheard at National Geographic | National Geographic | |
| 7 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 2 |  | Science Vs | Spotify Studios | |
| 9 | — |  | Radiolab | WNYC Studios | |
| 10 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 1 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 12 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 13 | — |  | Short Wave | NPR | |
| 14 | 3 |  | Science Weekly | The Guardian | |
| 15 | 24 |  | Speed & Scale | TED | |
| 16 | 83 |  | The Quanta Podcast | Quanta Magazine | |
| 17 | 56 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 18 | 12 |  | All In The Mind | ABC | |
| 19 | — |  | Discovery | BBC World Service | |
| 20 | 4 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 21 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 22 | 1 | E | Economics In Ten | Economics In Ten | |
| 23 | — | N | New Books in Anthropology | New Books Network | |
| 24 | — |  | Science Magazine Podcast | Science Magazine | |
| 25 | 7 | S | Sher Khan | Aaj Tak Radio | |
| 26 | 1 |  | The Future of Everything | Stanford Engineering | |
| 27 | 34 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 28 | — |  | New Books in Medicine | Marshall Poe | |
| 29 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 30 | 50 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 31 | 45 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 32 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 33 | 7 |  | The Pie: An Economics Podcast | Becker Friedman Institute at UChicago | |
| 34 | 10 |  | Unexpected Elements | BBC World Service | |
| 35 | 22 |  | Universe Today Podcast | Fraser Cain | |
| 36 | 21 |  | MinuteEarth | Minute Earth | |
| 37 | 20 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 38 | 34 | P | Psychology | Yale School of Medicine | |
| 39 | 66 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 40 | 43 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 41 | 54 |  | The Astrophysics Podcast | Paul Duffell | |
| 42 | 54 |  | Frankly Speaking About Family Medicine | Pri-Med | |
| 43 | 54 |  | BioCentury This Week | BioCentury | |
| 44 | 24 |  | How We're Wired | The Bertarelli Foundation | |
| 45 | 24 | N | New Books in Environmental Studies | Marshall Poe | |
| 46 | 133 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 47 | 99 | N | New Books in Economics | Marshall Poe | |
| 48 | 148 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 49 | 29 |  | Nature Podcast | Springer Nature Limited | |
| 50 | 28 |  | The Numberphile Podcast | Brady Haran | |
| 51 | 122 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 52 | 27 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 53 | 76 |  | This Week in Cardiology | Medscape | |
| 54 | 26 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 55 | 21 |  | Speaking of Psychology | American Psychological Association | |
| 56 | 30 |  | Science In Action | BBC World Service | |
| 57 | — |  | The Orthobullets Podcast | Orthobullets | |
| 58 | — | N | New Books in Science, Technology, and Society | New Books Network | |
| 59 | — | B | BioTech Nation ... with Dr. Moira Gunn | Moira Gunn | |
| 60 | — | B | Beyond Bones | Houston Museum of Natural Science | |
| 61 | — | C | Cryptography FM | Symbolic Software | |
| 62 | — | T | Tuluva Geluva | Sri Keshavaprasad | |
| 63 | — |  | Yale Anesthesiology | Yale Anesthesiology | |
| 64 | — | P | PeerView Oncology & Hematology CME/CNE/CPE Video Podcast | PVI, PeerView Institute for Medical Education | |
| 65 | — | M | Modern Physics: Quantum Mechanics (Winter 2012) | Leonard Susskind | |
| 66 | — | W | When We Talk About Animals | Law, Environment & Animals Program at Yale Law School | |
| 67 | 38 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 68 | 21 |  | Science Friday | Science Friday and WNYC Studios | |
| 69 | 38 |  | Curious Cases | BBC Radio 4 | |
| 70 | 53 |  | Night Science | Itai Yanai & Martin Lercher | |
| 71 | 16 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 72 | 5 | R | Relaxing Music For Sleep And Stress Relief | AK Entertainments | |
| 73 | 41 |  | BBC Inside Science | BBC Radio 4 | |
| 74 | 38 | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 75 | 27 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 76 | 39 |  | CrowdScience | BBC World Service | |
| 77 | 36 | T | The Sid Warrier Podcast | Sid | |
| 78 | 29 | T | The Genetics Podcast | Sano Genetics | |
| 79 | 41 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 80 | 24 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 81 | 18 |  | Ask a Spaceman! | Paul M. Sutter | |
| 82 | 40 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 83 | 38 | N | New Books in Public Policy | New Books Network | |
| 84 | 38 | P | PeerView Family Medicine & General Practice CME/CNE/CPE Audio Podcast | PVI, PeerView Institute for Medical Education | |
| 85 | 35 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 86 | 15 |  | Paranormal Portal | Brent Thomas | |
| 87 | 44 |  | You Are Not So Smart | You Are Not So Smart | |
| 88 | 37 | T | The Climate Biotech Podcast | Homeworld Collective | |
| 89 | 37 | T | The Biotech Podcast | Harry B Houston | |
| 90 | 21 | M | Mission:Analog | Hanna Harutyunyan | |
| 91 | 38 | S | Stroke Alert | Negar Asdaghi, MD, MSc, FRCPC, FAHA | |
| 92 | 38 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 93 | 35 |  | Lost Women of Science | Lost Women of Science | |
| 94 | 35 | C | COR2ED - Obstetrics & Gynecology Medical Conversation Video | COR2ED Medical Education | |
| 95 | 35 | H | Homo Deus: Humanity’s Evolution from Social Institutions to World Peace | Brian | |
| 96 | 34 | E | ENDO Podcast - Good Morning Endoscopy! | Alexander Meining, Thomas Rösch | |
| 97 | 33 |  | UFO Chronicles Podcast | Nik Hunter | |
| 98 | 33 | Z | Zero Pressure | Imperial College London and Saab | |
| 99 | 33 | J | Journal of Knowledge | Jairam R Prabhu | |
| 100 | 33 | I | Imperial College Podcast | Imperial College London | |
