| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 2 |  | Radiolab | WNYC Studios | |
| 5 | — |  | Unexplainable | Vox | |
| 6 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | — |  | Science Vs | Spotify Studios | |
| 10 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 11 | 3 |  | Science Weekly | The Guardian | |
| 12 | — |  | More or Less | BBC Radio 4 | |
| 13 | 8 |  | The Future of Everything | Stanford Engineering | |
| 14 | 14 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 15 | 1 |  | Speaking of Psychology | American Psychological Association | |
| 16 | 40 | S | Students of Surgery | Martin Brand | |
| 17 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 18 | 20 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 19 | 17 | M | Medscape InDiscussion: Colorectal Cancer | Medscape | |
| 20 | 59 |  | Short Wave | NPR | |
| 21 | 3 | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 22 | 7 |  | Safety Third | Safety Third | |
| 23 | 3 |  | Curious Cases | BBC Radio 4 | |
| 24 | 7 |  | The Psychology Podcast | iHeartPodcasts | |
| 25 | 77 |  | ScienceStuff | iHeartPodcasts | |
| 26 | 4 |  | Most Terrifying Places in America | Travel Channel | |
| 27 | 93 | T | The Soil Health Hub Podcast | Soil Health Hub | |
| 28 | 12 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 29 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 30 | 11 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 31 | 8 |  | All In The Mind | ABC | |
| 32 | — |  | New Books in Psychoanalysis | Marshall Poe | |
| 33 | 1 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 34 | 147 | T | The Brain and Brand Show | Podcast Party | |
| 35 | — |  | Cool Worlds Podcast | coolworldslab | |
| 36 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 37 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 38 | 12 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 39 | — |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 40 | — | S | Survey & Beyond: The Data Collection Podcast | SurveyCTO | |
| 41 | — | E | Educational Psychology for Everyone! | Katja Upadyaya (University of Helsinki) | |
| 42 | 18 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 43 | 14 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 44 | 14 | G | Green Noise | CapeNature | |
| 45 | 20 |  | Discovery | BBC World Service | |
| 46 | 42 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 47 | 12 |  | BBC Inside Science | BBC Radio 4 | |
| 48 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 49 | 57 |  | Science In Action | BBC World Service | |
| 50 | 15 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 51 | 7 |  | Overheard at National Geographic | National Geographic | |
| 52 | 19 | P | Psychology | Yale School of Medicine | |
| 53 | 59 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 54 | 23 |  | The Michael Shermer Show | Michael Shermer | |
| 55 | 48 |  | Regenerative Agriculture Podcast | John Kempf | |
| 56 | 8 |  | Science Friday | Science Friday and WNYC Studios | |
| 57 | 20 |  | Nature Podcast | Springer Nature Limited | |
| 58 | 18 |  | Blurry Creatures | Blurry Creatures | |
| 59 | 17 |  | Ask a Spaceman! | Paul M. Sutter | |
| 60 | 21 | T | Talks On Psychoanalysis | International Psychoanalytical Association | |
| 61 | 18 | T | The Skeptic Zone | Richard Saunders | |
| 62 | 21 |  | Universe Today Podcast | Fraser Cain | |
| 63 | 17 |  | Health Wanted | WABE | |
| 64 | 19 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 65 | 21 |  | Get Out Alive | Ashley Bray | |
| 66 | 18 | M | Mathematics Simplified | Anjali Sharma | |
| 67 | 18 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 68 | 18 |  | American Innovations | Audible | |
| 69 | 18 | F | Fresh Thinking by Snowden Optiro | Snowden Optiro | |
| 70 | 17 | F | Fundamentals of Mathematics | Eduardo Reyes | |
| 71 | 19 | T | The Deep-Sea Podcast | Thomas Linley | |
| 72 | 18 | T | The Engineering Commons Podcast | The Engineering Commons Podcast | |
| 73 | 18 | T | The Show About Science | Nate | The Company Making Podcasts | |
| 74 | 17 | C | Clinical neurology with KD | Krishnadas N C | |
| 75 | 28 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 76 | 1 |  | New Books in Critical Theory | Marshall Poe | |
| 77 | 5 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 78 | 17 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 79 | 59 |  | Unexpected Elements | BBC World Service | |
| 80 | 17 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 81 | 1 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 82 | 17 |  | Completely Arbortrary | Completely Arbortrary | |
| 83 | 56 |  | Dr Karl Podcast | triplej | |
| 84 | 11 |  | The Science Show | ABC | |
| 85 | 18 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 86 | 62 |  | CrowdScience | BBC World Service | |
| 87 | 17 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 88 | 20 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 89 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 90 | 24 | E | Everyday Neuro: Psychology and Neuroscience Podcast | Dr Janine Cooper: Cognitive Psychologist, Neuroscientist, Neuropsychology researcher. | |
| 91 | 29 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 92 | 58 |  | Know What You See with Brian Lowery | Brian S. Lowery | |
| 93 | 24 |  | TED Talks Science and Medicine | TED | |
| 94 | 7 |  | Invisibilia | NPR | |
| 95 | 18 |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 96 | 18 | H | History of the Earth | Richard I. Gibson | |
| 97 | 7 |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 98 | 27 |  | The Climate Question | BBC World Service | |
| 99 | 18 | C | Conversations in Fetal Medicine | Conversations in Fetal Medicine | |
| 100 | 28 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
