| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | Unexplainable | Vox | |
| 4 | 5 | S | Students of Surgery | Martin Brand | |
| 5 | 7 |  | Curious Cases | BBC Radio 4 | |
| 6 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 5 |  | Radiolab | WNYC Studios | |
| 8 | 3 |  | Science Vs | Spotify Studios | |
| 9 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | 13 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | 43 |  | Discovery | BBC World Service | |
| 12 | 34 |  | Living Planet | DW | |
| 13 | 6 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 15 | 9 |  | The Psychology Podcast | iHeartPodcasts | |
| 16 | 5 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 17 | 66 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 18 | 87 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 19 | 3 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 20 | 4 |  | More or Less | BBC Radio 4 | |
| 21 | 6 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 22 | 8 |  | Blurry Creatures | Blurry Creatures | |
| 23 | 10 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 24 | 131 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 25 | 42 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 26 | 56 |  | The world, the universe and us | New Scientist | |
| 27 | 22 |  | BBC Inside Science | BBC Radio 4 | |
| 28 | 50 |  | Overheard at National Geographic | National Geographic | |
| 29 | 4 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 30 | 20 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 31 | 80 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 32 | — | A | A Little Bit Of Science | A Little Bit Of Science | |
| 33 | 14 |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 34 | — |  | Rebelliously Curious with Chrissy Newton: UFOs, Science, Culture and Futurism | Chrissy Newton | |
| 35 | 18 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 36 | 158 |  | Robinson's Podcast | Robinson Erhardt | |
| 37 | 79 |  | The Orthobullets Podcast | Orthobullets | |
| 38 | — | C | Cosmic Radio | Elizabeth Garcia | |
| 39 | 125 |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 40 | 137 |  | New Books in Psychoanalysis | Marshall Poe | |
| 41 | — |  | Let's Learn Everything! | Maximum Fun | |
| 42 | 24 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 43 | — |  | Physics World Weekly Podcast | Physics World | |
| 44 | 9 |  | Science Weekly | The Guardian | |
| 45 | — | B | BJJ Podcasts | The Bone & Joint Journal | |
| 46 | — |  | Rare Earth | BBC Radio 4 | |
| 47 | — | W | Wissenschaft und Technik | Bayerischer Rundfunk | |
| 48 | — |  | The Regenaissance Podcast | The Regenaissance | |
| 49 | — | P | Psychology | Yale School of Medicine | |
| 50 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 51 | — | T | Two Paeds In A Pod | Dr Ian Lewins | |
| 52 | — | T | The Jewel of Arabia Expedition | Adventurous Audio | |
| 53 | — | W | What Is Life? | Carl Zimmer | |
| 54 | — | R | Revision podcasts for the MRCPCH clinical exam | mrcpch.paedatrics.co.uk | |
| 55 | 35 |  | ScienceStuff | iHeartPodcasts | |
| 56 | 32 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 57 | 20 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 58 | 11 |  | Science Friday | Science Friday and WNYC Studios | |
| 59 | 32 |  | CrowdScience | BBC World Service | |
| 60 | 26 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 61 | 36 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 62 | 2 | V | Video and Lectures - CTisus.com | Elliot K. Fishman, MD, FACR | |
| 63 | 20 | S | South of 2 Degrees - The Science Behind Climate Change | Brian Barnes | |
| 64 | 12 |  | Unexpected Elements | BBC World Service | |
| 65 | 36 | T | The Brain and Brand Show | Podcast Party | |
| 66 | 38 |  | Nerdland Podcast | Lieven Scheire | |
| 67 | 27 |  | Hard Truths | Ashton Forbes | |
| 68 | 42 |  | Astrum Space | Astrum | |
| 69 | 39 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 70 | 39 | W | What The Duck?! | ABC | |
| 71 | 39 | D | De Universiteit van Vlaanderen Podcast | Universiteit van Vlaanderen | |
| 72 | 36 | G | Guardians of the River | Wild Bird Trust, NGOWP, House of Pod | |
| 73 | 35 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 74 | 35 | M | Making Sense with Sam Harris | 5 minute podcast summaries | 5 minute podcast summaries | |
| 75 | 34 | T | The Field Guides | The Field Guides | |
| 76 | 34 | V | VoxTalks Economics | VoxTalks | |
| 77 | 33 | W | Word on the Reef | Tanya Murphy | |
| 78 | 33 |  | REEF Roundup: 🪸Coral Reefs🐠 and 🐙Marine Conservation🦈 | Graham Patterson and Tamara Silverstone | |
| 79 | 26 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 80 | 8 |  | The Michael Shermer Show | Michael Shermer | |
| 81 | 44 |  | Regenerative Agriculture Podcast | John Kempf | |
| 82 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 83 | 4 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 84 | 22 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 85 | 63 | C | CrowdScience | BBC World Service | |
| 86 | 31 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 87 | 29 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 88 | 37 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 89 | 8 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 90 | 70 |  | This Week in Virology | Vincent Racaniello | |
| 91 | 43 |  | Science In Action | BBC World Service | |
| 92 | 3 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 93 | 37 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 94 | 33 |  | Mind & Matter | Nick Jikomes | |
| 95 | 5 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 96 | 26 |  | Climate One | Climate One from The Commonwealth Club | |
| 97 | 12 | S | Shan Boody Sex and Love | Shan Boody | |
| 98 | — |  | La Science, CQFD | France Culture | |
| 99 | 40 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 100 | 32 |  | Endocrine News Podcast | Endocrine Society | |
