| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | Unexplainable | Vox | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | — |  | Radiolab | WNYC Studios | |
| 6 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 7 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 10 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | 2 |  | Science Vs | Spotify Studios | |
| 12 | 30 | M | Mathematics Simplified | Anjali Sharma | |
| 13 | 57 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 14 | 2 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 15 | 8 |  | CrowdScience | BBC World Service | |
| 16 | 6 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 17 | 48 |  | Discovery | BBC World Service | |
| 18 | — |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 19 | 11 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 20 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 21 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 22 | 40 |  | Curious Cases | BBC Radio 4 | |
| 23 | 10 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 24 | 14 |  | Science Weekly | The Guardian | |
| 25 | 3 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 26 | 6 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 27 | 16 |  | More or Less | BBC Radio 4 | |
| 28 | 98 |  | Science In Action | BBC World Service | |
| 29 | 16 |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 30 | 20 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 31 | 16 |  | Speaking of Psychology | American Psychological Association | |
| 32 | 18 | S | Students of Surgery | Martin Brand | |
| 33 | 30 |  | Blurry Creatures | Blurry Creatures | |
| 34 | 44 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 35 | 46 | N | New Books in Sex, Sexuality, and Sex Work | New Books Network | |
| 36 | 19 |  | Living Planet | DW | |
| 37 | 19 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 38 | 81 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 39 | 68 | M | Mind & Life Europe Podcast | Mind & Life Europe | |
| 40 | 66 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 41 | 14 |  | TheThinkingAtheist | The Thinking Atheist | |
| 42 | 23 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 43 | 69 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 44 | 24 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 45 | 88 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 46 | 116 |  | Unexpected Elements | BBC World Service | |
| 47 | — |  | Head Shepherd | Mark Ferguson | |
| 48 | — | I | INCLUSIVE URBAN FUTURES | Orna Rosenfeld | |
| 49 | — |  | The Behavioral Design Podcast | Samuel Salzer and Aline Holzwarth | |
| 50 | — |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 51 | — | T | The Upper Hand: Chuck & Chris Talk Hand Surgery | Chuck and Chris | |
| 52 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 53 | — |  | Great Mysteries of Physics | The Conversation | |
| 54 | — | P | Paediatric Emergencies | Dr Christopher Flannigan | |
| 55 | — |  | The Common Descent Podcast | Common Descent | |
| 56 | 103 |  | Science Magazine Podcast | Science Magazine | |
| 57 | — | W | World of Sharks | Save Our Seas Foundation | |
| 58 | — | S | Song and Plants | Carmen Porter | |
| 59 | 26 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 60 | 36 |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 61 | — |  | RCPCH Podcasts | Royal College of Paediatrics and Child Health | |
| 62 | — |  | Crazy Town | Post Carbon Institute | |
| 63 | — | F | Fundamentals of Mathematics | Eduardo Reyes | |
| 64 | — |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 65 | — |  | For What It’s Earth | Emma Brisdion & Sophie Pavelle | |
| 66 | — | G | Genetics Unzipped | The Genetics Society | |
| 67 | — | E | EMRA*Cast | Emergency Medicine Residents' Association | |
| 68 | — | S | Sustainability Bites in association with Nestlé Professional | Footprint Media Group | |
| 69 | — | Y | Your Digital Mentor Podcast | Christine Boinett, Alice Matimba, Isabela Malta, Emmanuella Oppong | |
| 70 | 45 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 71 | 42 |  | Nature Podcast | Springer Nature Limited | |
| 72 | 46 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 73 | 39 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 74 | 22 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 75 | 34 | P | Physicians' Gallery | Physicians' Gallery at RCPE | |
| 76 | 30 |  | Short Wave | NPR | |
| 77 | 46 |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 78 | 43 |  | The Climate Question | BBC World Service | |
| 79 | 49 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 80 | 27 | F | Fire Science Show | Wojciech Wegrzynski | |
| 81 | 33 |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 82 | 43 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 83 | 39 | N | New Scientist Weekly | New Scientist | |
| 84 | 48 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 85 | 25 |  | Universe Today Podcast | Fraser Cain | |
| 86 | 20 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 87 | 50 |  | Agriscience Explained | Corteva Agriscience | |
| 88 | 33 |  | Joint Approach | Musculoskeletal Infection Society | |
| 89 | 30 | P | Poverty Research & Policy | Institute for Research on Poverty | |
| 90 | 50 | C | Communicating for Impact | ICA Podcast Network | |
| 91 | 48 |  | Energy For Success Podcast | Dr. Barry Morguelan | |
| 92 | 45 | T | The Journal Club | Beimnet Kassaye | |
| 93 | 44 | ( | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | |
| 94 | 26 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 95 | 44 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 96 | 42 | T | The African climate breakdown - Stories about climate change brought to you by Future Climate For Africa | SouthSouthNorth | |
| 97 | 41 | K | KHARISMA MASTERY | MARION CAIN III ARM, AIC, CBCP | |
| 98 | 41 | T | The Poetry of Science | Sam Illingworth | |
| 99 | 41 |  | ESA Explores | European Space Agency | |
| 100 | 23 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
