| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 5 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | — |  | Radiolab | WNYC Studios | |
| 7 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 8 | 1 |  | ScienceStuff | iHeartPodcasts | |
| 9 | 89 |  | The Michael Shermer Show | Michael Shermer | |
| 10 | 2 |  | Unexplainable | Vox | |
| 11 | 9 |  | Science Weekly | The Guardian | |
| 12 | 23 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 13 | 3 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 14 | 14 |  | Living Planet | DW | |
| 15 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 17 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 18 | 53 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 19 | 11 |  | Science Friday | Science Friday and WNYC Studios | |
| 20 | 9 |  | Science Vs | Spotify Studios | |
| 21 | 9 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 22 | 11 |  | Making Sense with Sam Harris | Sam Harris | |
| 23 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 24 | 10 |  | More or Less | BBC Radio 4 | |
| 25 | 12 |  | Curious Cases | BBC Radio 4 | |
| 26 | 14 |  | Blurry Creatures | Blurry Creatures | |
| 27 | 55 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 28 | 49 |  | Speaking of Psychology | American Psychological Association | |
| 29 | 11 |  | Safeguarding Sound Science | National Center for Science Education | |
| 30 | 11 |  | Mongabay Newscast | Mongabay.com | |
| 31 | — |  | The Orthobullets Podcast | Orthobullets | |
| 32 | 12 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 33 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 34 | 83 | E | Educational Psychology for Everyone! | Katja Upadyaya (University of Helsinki) | |
| 35 | 67 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 36 | 114 | M | Mathematics Simplified | Anjali Sharma | |
| 37 | — |  | BirdNote Daily | BirdNote | |
| 38 | 141 |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 39 | 151 |  | Completely Arbortrary | Completely Arbortrary | |
| 40 | — | B | BJA Education Podcasts | BJA Education | |
| 41 | 20 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 42 | — | W | Whales | Quiet. Please | |
| 43 | — | S | Saving the World From Bad Ideas | WePlanet | |
| 44 | — | N | National Geographic Magazine | Radio Eye | |
| 45 | — | A | African Cities | African Cities Research Consortium | |
| 46 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 47 | — |  | Crossing The River | More Than Human Life (MOTH) | |
| 48 | — | M | MQ Open Mind | MQ Mental Health Research | |
| 49 | 83 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 50 | 27 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 51 | 26 |  | The Future of Everything | Stanford Engineering | |
| 52 | 21 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 53 | 29 |  | BBC Inside Science | BBC Radio 4 | |
| 54 | 28 |  | New Books in Critical Theory | Marshall Poe | |
| 55 | 29 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 56 | 9 |  | Discovery | BBC World Service | |
| 57 | 30 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 58 | 7 |  | You Are Not So Smart | You Are Not So Smart | |
| 59 | 60 |  | The Life Scientific | BBC Radio 4 | |
| 60 | 76 |  | That UFO Podcast | That UFO Podcast | |
| 61 | 3 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 62 | 28 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 63 | 21 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 64 | 98 |  | TheThinkingAtheist | The Thinking Atheist | |
| 65 | 34 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 66 | 34 |  | BrainStuff | iHeartPodcasts | |
| 67 | 26 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 68 | 25 |  | Science Quickly | Scientific American | |
| 69 | 36 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 70 | 26 | V | VoxDev Development Economics | VoxDev.org | |
| 71 | 32 | S | Students of Surgery | Martin Brand | |
| 72 | 34 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 73 | 37 | N | Naked Genetics, from the Naked Scientists | Will Tingle | |
| 74 | 37 |  | Ancient Aliens | PodcastOne | |
| 75 | 30 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 76 | — |  | שלושה שיודעים Three Who Know | כאן | Kan | |
| 77 | 28 | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 78 | 32 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 79 | 23 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 80 | 29 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 81 | 27 |  | TED Talks Science and Medicine | TED | |
| 82 | 29 |  | Nephilim Death Squad | TopLobsta Productions | |
| 83 | 31 |  | Accidental Gods | Accidental Gods | |
| 84 | 10 |  | Bigfoot Society | Jeremiah Byron | |
| 85 | 22 |  | Safety Third | Safety Third | |
| 86 | 17 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 87 | 39 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 88 | 38 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 89 | 34 |  | Nature Podcast | Springer Nature Limited | |
| 90 | 70 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 91 | 38 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 92 | 1 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 93 | 36 | W | White Coat, Black Art | CBC | |
| 94 | 26 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 95 | 35 | T | The Abnormal Psychologist | Dr. Colby Taylor | |
| 96 | 17 |  | The Climate Question | BBC World Service | |
| 97 | 35 | N | Nature's a Hoot | Hawk Conservancy Trust | |
| 98 | 33 |  | Conversations in Obstetrics and Gynecology | Unknown | |
| 99 | 33 | C | COR2ED - Obstetrics & Gynecology Medical Conversation Video | COR2ED Medical Education | |
| 100 | 33 | T | The Hawk's Call | Hawk Mountain Sanctuary | |
