| 1 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 5 | 2 |  | Instant Genius | Our Media | |
| 6 | — |  | Radiolab | WNYC Studios | |
| 7 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 11 | 2 |  | Discovery | BBC World Service | |
| 13 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | — |  | Ologies with Alie Ward | Alie Ward | |
| 15 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 18 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 19 | 4 |  | Short Wave | NPR | |
| 22 | 1 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 24 | 5 | I | Ideas of India | Mercatus Center at George Mason University | |
| 25 | — |  | More or Less | BBC Radio 4 | |
| 26 | 13 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 27 | 1 | S | Sher Khan | Aaj Tak Radio | |
| 28 | 139 |  | EarthWise | Vivaan Mathur | |
| 30 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 31 | 30 |  | Origin Stories | The Leakey Foundation | |
| 33 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 34 | 16 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 35 | 3 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 36 | 26 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 38 | 99 |  | Science Quickly | Scientific American | |
| 39 | 150 |  | Science In Action | BBC World Service | |
| 40 | 7 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 41 | 64 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 42 | 59 | H | Hello PhD | Joshua Hall and Daniel Arneman, PhDz | |
| 43 | 12 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 45 | 15 |  | Decouple | Dr. Chris Keefer | |
| 46 | 3 |  | The Quanta Podcast | Quanta Magazine | |
| 49 | 115 |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 50 | 15 |  | Medical Basics Podcast - Tips, Tricks, and Advice for Medical and Nursing Students | Medical Basics | |
| 51 | 45 | P | Public Health Insight | PHI Media | |
| 53 | 19 | W | What Is Life? | Carl Zimmer | |
| 58 | 17 |  | The Psychology Podcast | iHeartPodcasts | |
| 59 | 11 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 60 | — |  | Physics World Weekly Podcast | Physics World | |
| 61 | 52 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 63 | — |  | Six Lessons Approach Podcast by Dr. David Alleman | Dr. David Alleman | |
| 65 | — | T | The Engineering Passion Express | Brandon Donnelly | |
| 66 | — | D | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 67 | 40 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 69 | — | C | Converging Dialogues | Converging Dialogues | |
| 75 | — | I | Innovation in Financial Inclusion | Community Finance Solutions | |
| 76 | 30 |  | Science Friday | Science Friday and WNYC Studios | |
| 77 | 14 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 78 | 21 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 79 | 11 |  | Curious Cases | BBC Radio 4 | |
| 80 | 40 |  | Paranormal Portal | Brent Thomas | |
| 81 | 36 |  | MinuteEarth | Minute Earth | |
| 82 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 86 | — |  | Regenerative Agriculture Podcast | John Kempf | |
| 87 | 36 |  | Bionic Planet: Reversing Climate Change by Restoring Nature | Steve Zwick | |
| 88 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 89 | 5 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 90 | 41 |  | The Astrophysics Podcast | Paul Duffell | |
| 93 | 46 |  | Curiosity Weekly | Discovery | |
| 94 | 38 | T | The Language Neuroscience Podcast | Stephen M. Wilson | |
| 96 | 37 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 97 | 53 |  | The Michael Shermer Show | Michael Shermer | |
| 100 | 58 | C | Clinical neurology with KD | Krishnadas N C | |
| 101 | 43 |  | The Climate Question | BBC World Service | |
| 102 | 33 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 103 | 51 |  | The world, the universe and us | New Scientist | |
| 104 | 41 | F | Farming Today | BBC Radio 4 | |
| 106 | 36 | C | CME in Minutes: Education in Rheumatology, Immunology, & Infectious Diseases | Answers in CME | |
| 107 | 43 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 108 | 43 | T | The Atomic Show | Rod Adams - Atomic Insights | |
| 109 | 43 |  | Intro to Clinical Research | Debbie and Elyse | |
| 112 | 33 |  | BrainStuff | iHeartPodcasts | |
| 113 | 40 | S | Science on the Menu: A Food Safety Podcast by EFSA | European Food Safety Authority (EFSA) | |
| 115 | — |  | SciShow Tangents | Complexly | |
| 117 | 40 |  | Skeptoid | Brian Dunning | |
| 119 | 40 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 121 | 40 |  | Climate Now | James Lawler | |
| 122 | 40 |  | The Demystifying Cosmetics Podcast | Jennifer Cookson | Tagra Biotechnologies | |
| 125 | 40 | T | The Addiction Psychologist | Samuel Acuff and Noah Emery | |
| 127 | 40 | D | Duke Clinical Research Institute | Duke Clinical Research Institute | |
| 128 | 28 |  | How We're Wired | The Bertarelli Foundation | |
| 130 | 35 | E | Early Morning Coffee at CERN | CERN | |
| 132 | 29 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 134 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 138 | 41 |  | The Feed Science Podcast Show | Wisenetix | |
| 139 | 15 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 140 | 23 |  | All In The Mind | ABC | |
| 142 | 34 | T | The Missing Link | The Swaddle | |
| 144 | 52 |  | Most Terrifying Places in America | Travel Channel | |
| 145 | 43 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 146 | — |  | American Innovations | Audible | |
| 147 | 38 | E | Easy Physics | Easy Physics | |
| 148 | 19 | B | Ba Man Harf Bezan | پادکست با من حرف بزن | PerianBMS | |
| 151 | 40 | S | Shaping Cities | City Collab | |
| 152 | 40 | T | Two Psychologists Four Beers | Yoel Inbar, Michael Inzlicht, and Alexa Tullett | |
| 154 | 40 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 155 | 40 |  | Pratidhvani - Humanizing Science | G V Pavan Kumar | |
| 156 | 40 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 157 | 11 |  | Blurry Creatures | Blurry Creatures | |
| 158 | — |  | The Dairy Podcast Show | Wisenetix | |
| 160 | 38 |  | The APsolute RecAP: Biology Edition | Melanie Kingett, Brad Kingett, Zach Caruso | |
