| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 3 |  | Science Vs | Spotify Studios | |
| 6 | 2 |  | Alive Again | iHeartPodcasts | |
| 7 | 1 |  | Unexplainable | Vox | |
| 8 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 9 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 10 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 11 | 1 |  | Radiolab | WNYC Studios | |
| 12 | 56 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 13 | 48 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 14 | 64 |  | The Orthobullets Podcast | Orthobullets | |
| 15 | 3 |  | Ancient Aliens | PodcastOne | |
| 16 | 5 |  | Discovery | BBC World Service | |
| 17 | 121 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 18 | 64 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 19 | 56 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 20 | 104 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 21 | 79 |  | CrowdScience | BBC World Service | |
| 22 | — |  | Mongabay Newscast | Mongabay.com | |
| 23 | 16 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 24 | — | P | Postdoctoral Podcast | Charles University | |
| 25 | 163 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 26 | 10 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 27 | — | D | Data Science Decoded | Mike E | |
| 28 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 29 | 7 |  | Science Weekly | The Guardian | |
| 30 | — |  | Green Cover Podcast | Keith Berns | |
| 31 | — | T | The Sargassum Podcast | Sargassum Podcast | |
| 32 | 7 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 33 | 10 |  | Blurry Creatures | Blurry Creatures | |
| 34 | 5 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 35 | 20 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 36 | 14 |  | More or Less | BBC Radio 4 | |
| 37 | 23 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 38 | 21 |  | That's Just Wild | Fresh Air | |
| 39 | 21 |  | Why Do We Do That? | BBC Radio 4 | |
| 40 | 6 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 41 | 15 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 42 | 21 |  | New Books in Critical Theory | Marshall Poe | |
| 43 | 23 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 44 | 6 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 45 | 17 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 46 | 16 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 47 | 23 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 48 | 26 | Y | Your Digital Mentor Podcast | Christine Boinett, Alice Matimba, Isabela Malta, Emmanuella Oppong | |
| 49 | 22 | A | A Shot in the Arm Podcast | Ben Plumley | |
| 50 | 15 | E | EPRI Current | EPRI | |
| 51 | 20 |  | The Science of Everything Podcast | James Fodor | |
| 52 | 20 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 53 | — | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 54 | 21 | O | Oncology Data Advisor | i3 Health | |
| 55 | 21 |  | Psychoanalysis & You | APsA American Psychoanalytic Association | |
| 56 | 43 |  | Science Friday | Science Friday and WNYC Studios | |
| 57 | 10 |  | Short Wave | NPR | |
| 58 | 14 |  | The Life Scientific | BBC Radio 4 | |
| 59 | 16 |  | Living Planet | DW | |
| 60 | 20 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 61 | 24 |  | Speaking of Psychology | American Psychological Association | |
| 62 | 20 | R | Radiology Podcast | RSNA | The Radiological Society of North America | |
| 63 | 18 |  | Curious Cases | BBC Radio 4 | |
| 64 | 23 |  | Invisibilia | NPR | |
| 65 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 66 | 7 |  | The Michael Shermer Show | Michael Shermer | |
| 67 | 18 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 68 | 21 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 69 | 18 | B | BJA Education Podcasts | BJA Education | |
| 70 | 26 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 71 | 63 |  | Cryptic Chronicles | Cryptic Chronicles | |
| 72 | 24 |  | Science Quickly | Scientific American | |
| 73 | 29 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 74 | 8 | S | Space | BBC World Service | |
| 75 | 2 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 76 | 24 |  | Instant Genius | Our Media | |
| 77 | 23 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 78 | 25 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 79 | 22 |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 80 | 25 |  | David A. Hughes | Resisting the Global Technocratic Coup One Person at a Time | |
| 81 | 25 |  | The Couples Therapist Couch | Shane Birkel | |
| 82 | 24 | S | Seven: Disturbing Chronicle Stories of Scary, Paranormal & Horror Tales | Seven: Disturbing Chronicle Stories of Scary, Paranormal & Horror Tales, Bleav | |
| 83 | 24 | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 84 | 24 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 85 | 23 |  | TED Talks Science and Medicine | TED | |
| 86 | 22 | P | Plane Crash Diaries | Desmond Latham | |
| 87 | 22 | P | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 88 | 25 | S | Students of Surgery | Martin Brand | |
| 89 | 20 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 90 | 17 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 91 | 12 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 92 | 16 |  | All In The Mind | ABC | |
| 93 | 13 |  | The world, the universe and us | New Scientist | |
| 94 | 23 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 95 | 9 |  | Board Rounds Prep for USMLE and COMLEX | Ryan Gray | |
| 96 | 26 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 97 | 26 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 98 | — |  | Regenerative Agriculture Podcast | John Kempf | |
| 99 | 18 | V | VoxDev Development Economics | VoxDev.org | |
| 100 | 17 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
