| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 4 | — | I | Ideas of India | Mercatus Center at George Mason University | |
| 5 | — |  | Unexplainable | Vox | |
| 6 | 1 |  | Radiolab | WNYC Studios | |
| 7 | 3 |  | Speaking of Psychology | American Psychological Association | |
| 8 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 5 |  | Short Wave | NPR | |
| 11 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 12 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 13 | 6 | N | New Books in Anthropology | New Books Network | |
| 14 | 101 | R | Radiology Podcast | RSNA | The Radiological Society of North America | |
| 15 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 2 |  | Overheard at National Geographic | National Geographic | |
| 17 | 5 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 18 | 23 |  | Nature Podcast | Springer Nature Limited | |
| 19 | 4 |  | More or Less | BBC Radio 4 | |
| 20 | 4 |  | Science Vs | Spotify Studios | |
| 21 | 26 |  | Speed & Scale | TED | |
| 22 | 2 | P | Psychology | Yale School of Medicine | |
| 23 | 27 |  | MinuteEarth | Minute Earth | |
| 24 | 10 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 25 | 32 |  | New Books in Critical Theory | Marshall Poe | |
| 26 | 66 | V | VoxTalks Economics | VoxTalks | |
| 27 | 73 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 28 | 69 |  | The Astrophysics Podcast | Paul Duffell | |
| 29 | 67 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 30 | 80 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 31 | 14 | E | Economics In Ten | Economics In Ten | |
| 32 | 63 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 33 | 119 |  | Curious Cases | BBC Radio 4 | |
| 34 | 14 |  | You Are Not So Smart | You Are Not So Smart | |
| 35 | 13 | S | Sher Khan | Aaj Tak Radio | |
| 36 | 98 |  | TED Talks Science and Medicine | TED | |
| 37 | 94 |  | Universe Today Podcast | Fraser Cain | |
| 38 | 17 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 39 | 98 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 40 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 41 | — | W | World of Sharks | Save Our Seas Foundation | |
| 42 | 16 |  | Science Weekly | The Guardian | |
| 43 | 134 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 44 | 127 |  | Geology Bites | Oliver Strimpel | |
| 45 | — | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 46 | 17 | N | New Books in Economics | Marshall Poe | |
| 47 | — | T | The Turing Podcast | The Alan Turing Institute | |
| 48 | 14 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 49 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 50 | — | M | Machine Learning Cafe | Miklos Zoltan Toth | |
| 51 | — | T | The Missing Link | The Swaddle | |
| 52 | 17 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 53 | 25 |  | The Hydrogen Podcast | Paul Rodden | |
| 54 | 29 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 55 | — | T | The Climate Biotech Podcast | Homeworld Collective | |
| 56 | — |  | Behavioral Grooves Podcast | Kurt Nelson, PhD and Tim Houlihan | |
| 57 | — |  | Accidental Gods | Accidental Gods | |
| 58 | 31 | T | The MedTech Podcast | Karandeep Singh Badwal | |
| 59 | — | T | The Astrophysics Academy: Just A Minute | Shourya Shrivastava | |
| 60 | — | W | Why? with Emma Kennedy | Podmasters | |
| 61 | — | E | Experimental History | Adam Mastroianni | |
| 62 | — |  | Chromatography Life | Waters Corporation | |
| 63 | — | T | too long didn’t read | The Alan Turing Institute | |
| 64 | 33 |  | Invisibilia | NPR | |
| 65 | 26 |  | BrainStuff | iHeartPodcasts | |
| 66 | 34 | P | PharmaTalkRadio | Pharma Talk Radio | |
| 67 | 31 |  | The Quanta Podcast | Quanta Magazine | |
| 68 | 35 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 69 | 39 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 70 | 30 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 71 | 34 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 72 | 34 | S | Self Improvement Beast | manjha beast | |
| 73 | 20 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 74 | 17 |  | Discovery | BBC World Service | |
| 75 | 30 |  | Most Terrifying Places in America | Travel Channel | |
| 76 | 34 | P | Performance Around The Clock | Dr. Satchin Panda | |
| 77 | 34 | B | BJA Education Podcasts | BJA Education | |
| 78 | 30 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 79 | 33 |  | Science Quickly | Scientific American | |
| 80 | 16 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 81 | 32 |  | The Psychology Podcast | iHeartPodcasts | |
| 82 | 38 | M | Motivational Interviewing & Beyond | Joel Porter & Steve Rollnick | |
| 83 | 32 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 84 | 32 |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 85 | 17 |  | Robinson's Podcast | Robinson Erhardt | |
| 86 | 10 |  | The Science of Birds | Ivan Phillipsen | |
| 87 | 32 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 88 | 17 | B | Byte Sized Breakthroughs | Arjun Srivastava | |
| 89 | 35 | P | PeerView Oncology & Hematology CME/CNE/CPE Audio Podcast | PVI, PeerView Institute for Medical Education | |
| 90 | 34 | B | Blood Podcast | American Society of Hematology | |
| 91 | 33 |  | Nature India Podcast | Nature India | |
| 92 | 33 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 93 | 33 |  | Ground Truths | Eric Topol | |
| 94 | 33 |  | All In The Mind | ABC | |
| 95 | 33 | A | Anthropological Theory: A podcast created by anthropology students | Laurette McGuire | |
| 96 | 30 | T | The Happy Scientist | Bitesize Bio | |
| 97 | 34 |  | Drilled | Pushkin Industries | |
| 98 | 33 | S | Sciencekari | Lallantop Baaja | |
| 99 | 32 | C | Cell & Gene: The Podcast | Erin Harris | |
| 100 | 31 | T | The India Energy Hour Presented by 101Reporters | 101Reporters | |
