| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 2 |  | Unexplainable | Vox | |
| 4 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 5 | 11 |  | Overheard at National Geographic | National Geographic | |
| 6 | — | L | Learning from Nature: The Biomimicry Podcast with Lily Urmann | Lily Urmann | |
| 7 | 1 |  | Radiolab | WNYC Studios | |
| 8 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 26 | S | Sher Khan | Aaj Tak Radio | |
| 10 | 6 | I | Ideas of India | Mercatus Center at George Mason University | |
| 11 | 4 |  | Speaking of Psychology | American Psychological Association | |
| 12 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 13 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 14 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 15 | 9 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 16 | 51 |  | The Quanta Podcast | Quanta Magazine | |
| 17 | 3 |  | Science Vs | Spotify Studios | |
| 18 | 1 |  | More or Less | BBC Radio 4 | |
| 19 | 9 |  | Short Wave | NPR | |
| 20 | 49 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 21 | — |  | Speed & Scale | TED | |
| 22 | 30 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 23 | 31 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 24 | 59 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 25 | 3 | P | Psychology | Yale School of Medicine | |
| 26 | 9 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 27 | 38 |  | BrainStuff | iHeartPodcasts | |
| 28 | 9 |  | Universe Today Podcast | Fraser Cain | |
| 29 | 50 |  | Science Quickly | Scientific American | |
| 30 | 48 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 31 | 55 |  | The Science of Birds | Ivan Phillipsen | |
| 32 | 62 |  | All In The Mind | ABC | |
| 33 | 85 |  | CrowdScience | BBC World Service | |
| 34 | 19 |  | BBC Inside Science | BBC Radio 4 | |
| 35 | 35 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 36 | 157 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 37 | 23 | R | Radiology Podcast | RSNA | The Radiological Society of North America | |
| 38 | 25 | N | New Books in Anthropology | New Books Network | |
| 39 | 4 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 40 | 22 |  | Nature Podcast | Springer Nature Limited | |
| 41 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 42 | 64 |  | Naturebang | BBC Radio 4 | |
| 43 | 111 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 44 | 137 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 45 | 30 |  | Most Terrifying Places in America | Travel Channel | |
| 46 | 152 |  | Climate Emergency | Suno India | |
| 47 | 5 |  | Science Weekly | The Guardian | |
| 48 | 15 |  | Curious Cases | BBC Radio 4 | |
| 49 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 50 | — |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 51 | — | T | The Intern At Work: Internal Medicine | Medicine Pods: The Intern at Work | |
| 52 | — | A | Authentic Biochemistry | Dr Daniel J. Guerra | |
| 53 | — | P | Psychology in 10 Minutes | David B. Feldman - psychology | social science | politics | mental health | |
| 54 | — |  | NOC Into the Blue Podcast | National Oceanography Centre | |
| 55 | — |  | Astrum Space | Astrum | |
| 56 | — |  | Great Mysteries of Physics | The Conversation | |
| 57 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 58 | 35 |  | MinuteEarth | Minute Earth | |
| 59 | 32 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 60 | — | 6 | 60-Second Tech | Scientific American | |
| 61 | — |  | Biotech 2050 Podcast | Biotech 2050 | |
| 62 | — |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 63 | — |  | Two Guys on Your Head | KUT & KUTX Studios, Dr. Art Markman & Dr. Bob Duke | |
| 64 | — | M | MRS Bulletin Materials News Podcast | MRS Bulletin | |
| 65 | — | M | Mint Climate Change Tracker | Mint - HT Smartcast | |
| 66 | — | A | APA Journals Dialogue | American Psychological Association | |
| 67 | — |  | Amplifier: An Undeniable Climate Emergency Podcast | Harold Moss | |
| 68 | — | S | Shaping Sustainable Supply Chains | Research Network Sustainable Global Supply Chains | |
| 69 | — | S | ScrubCast | Stanford Surgery | |
| 70 | 45 |  | New Books in Critical Theory | Marshall Poe | |
| 71 | 45 | V | VoxTalks Economics | VoxTalks | |
| 72 | 44 |  | The Astrophysics Podcast | Paul Duffell | |
| 73 | 56 |  | The Future of Everything | Stanford Engineering | |
| 74 | 40 |  | You Are Not So Smart | You Are Not So Smart | |
| 75 | 39 |  | TED Talks Science and Medicine | TED | |
| 76 | 72 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 77 | 29 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 78 | 46 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 79 | 50 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 80 | 49 | E | Economics In Ten | Economics In Ten | |
| 81 | 51 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 82 | 55 |  | LearningRadiology Video Podcasts | William Herring, MD, FACR | |
| 83 | 34 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 84 | 94 |  | Let's Learn Everything! | Maximum Fun | |
| 85 | 46 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 86 | 87 |  | American Journal of Ophthalmology Podcasts Collection | Various | |
| 87 | 49 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 88 | 92 |  | How We're Wired | The Bertarelli Foundation | |
| 89 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 90 | 26 |  | Invisibilia | NPR | |
| 91 | 80 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 92 | 48 |  | Geology Bites | Oliver Strimpel | |
| 93 | 19 |  | Discovery | BBC World Service | |
| 94 | 44 | M | Machine Learning Cafe | Miklos Zoltan Toth | |
| 95 | 35 | W | Why? with Emma Kennedy | Podmasters | |
| 96 | 45 | T | The Missing Link | The Swaddle | |
| 97 | 36 | E | Experimental History | Adam Mastroianni | |
| 98 | 45 |  | The Hydrogen Podcast | Paul Rodden | |
| 99 | — |  | The Climate Question | BBC World Service | |
| 100 | 60 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
