| 1 | 28 |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 2 | 41 |  | The Plodcast | Our Media | |
| 3 | — |  | Progress, Potential, and Possibilities Podcast / Show | Ira Pastor | |
| 4 | — | B | BioSounds | Biosounds | |
| 5 | 58 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 6 | — |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 7 | 6 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 8 | 6 |  | Curious Cases | BBC Radio 4 | |
| 9 | 6 |  | Ologies with Alie Ward | Alie Ward | |
| 10 | 3 |  | This Week in Microbiology | Vincent Racaniello | |
| 11 | 6 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 12 | 8 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 13 | 7 |  | Foodie Pharmacology Podcast | Co-Conspiracy Entertainment | |
| 14 | 6 | T | The Bio Report | Levine Media Group | |
| 15 | 6 |  | The Future of Everything | Stanford Engineering | |
| 16 | 5 |  | Quantitude | Greg Hancock & Patrick Curran | |
| 17 | 7 |  | The Science of Birds | Ivan Phillipsen | |
| 18 | 6 | I | In Your Nature | By BirdWatch Ireland | |
| 19 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 20 | 7 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 21 | 7 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 22 | 4 |  | AWESOME ASTRONOMY | Paul & Dr Jeni | |
| 23 | 7 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 24 | 7 |  | Science Vs | Spotify Studios | |
| 25 | 4 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 26 | 3 |  | Radiolab | WNYC Studios | |
| 27 | 8 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 28 | 13 |  | Making Sense with Sam Harris | Sam Harris | |
| 29 | 5 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 30 | 98 |  | Science In Action | BBC World Service | |
| 31 | 6 | P | Physicians' Gallery | Physicians' Gallery at RCPE | |
| 32 | 5 | T | Talking Biotech with Dr. Kevin Folta | Colabra | |
| 33 | 5 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 34 | 12 |  | Science Weekly | The Guardian | |
| 35 | 31 |  | Unexpected Elements | BBC World Service | |
| 36 | 2 |  | Science Friday | Science Friday and WNYC Studios | |
| 37 | 3 |  | Ground Truths | Eric Topol | |
| 38 | 3 | S | Sage Nutrition & Dietetics | SAGE Publications Ltd. | |
| 39 | 3 |  | AuSPEN - Insights in Clinical Nutrition | AuSPEN | |
| 40 | 3 | V | Vov at Vide | Danmarks Frie Forskningsfond | |
| 41 | 10 |  | Speaking of Psychology | American Psychological Association | |
| 42 | 26 |  | Invisibilia | NPR | |
| 43 | 74 |  | Nerdland Podcast | Lieven Scheire | |
| 44 | 121 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 45 | — |  | The Science of Everything Podcast | James Fodor | |
| 46 | 11 |  | Science Quickly | Scientific American | |
| 47 | 4 |  | More or Less | BBC Radio 4 | |
| 48 | 53 |  | BBC Inside Science | BBC Radio 4 | |
| 49 | — | S | Stimulating Brains | Andreas Horn | |
| 50 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 51 | 6 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 52 | 26 |  | Unexplainable | Vox | |
| 53 | 23 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 54 | 70 |  | Short Wave | NPR | |
| 55 | 79 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 56 | 117 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 57 | 18 | 2 | 24/7 | Beggi Ólafs | |
| 58 | 25 |  | Nature Podcast | Springer Nature Limited | |
| 59 | 27 |  | Total Disclosure Podcast | Tyler Roberts | |
| 60 | 44 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 61 | 20 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 62 | 76 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 63 | 23 |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 64 | 22 |  | Instant Genius | Our Media | |
| 65 | 4 | W | Wild Tales | Nature Podcast | National Trust | |
| 66 | 19 |  | A Life More Wild | Canopy & Stars | |
| 67 | 11 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 68 | 24 |  | Dr Karl Podcast | triplej | |
| 69 | 23 | B | Brain Talk | Being Patient for Alzheimer's Patients and Caregivers | Being Patient | |
| 70 | 22 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 71 | 15 |  | Somewhere in the Skies | SpectreVision Radio | |
| 72 | 23 |  | Sostanze | Stefania Bonan | |
| 73 | 11 | F | Farming Today | BBC Radio 4 | |
| 74 | 24 |  | Astrum Space | Astrum | |
| 75 | 23 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 76 | 23 | J | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 77 | 23 | R | Recherche, science et société à l'ULB | ULB podcasts | |
| 78 | 44 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 79 | 81 |  | Science Magazine Podcast | Science Magazine | |
| 80 | 113 |  | The Couples Therapist Couch | Shane Birkel | |
| 81 | — |  | Endocrine News Podcast | Endocrine Society | |
| 82 | 8 | S | SquaMates | SquaMates | |
| 83 | 25 | 超 | 超リアルな行動心理学 | FERMONDO | |
| 84 | 25 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 85 | 25 |  | That UFO Podcast | That UFO Podcast | |
| 86 | 24 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 87 | 22 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 88 | 24 |  | Espacio en blanco | Radio Nacional | |
| 89 | 34 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 90 | 23 | S | Smart Biotech Scientist | Master Bioprocess CMC Development, Biologics Manufacturing & Scale-up, Cell Culture Innovation | David Brühlmann - CMC Development Leader, Biotech C-level Advisor, Business Strategist | |
| 91 | 22 |  | Manifold | Steve Hsu | |
| 92 | 22 |  | MinuteEarth | Minute Earth | |
| 93 | 22 |  | All In The Mind | ABC | |
| 94 | 13 |  | Skeptoid | Brian Dunning | |
| 95 | 23 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 96 | 23 |  | Discovery | BBC World Service | |
| 97 | 22 |  | SciShow Tangents | Complexly | |
| 98 | 1 | U | Unlocking Bryson's Brain | CBC | |
| 99 | 1 | I | Innrás froskanna | RÚV Hlaðvörp | |
| 100 | 24 |  | Need To Know | Bryce Zabel | |
