| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | Skeptics with a K | Skeptic Media Limited | |
| 3 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 4 | 1 |  | Science Vs | Spotify Studios | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 8 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 9 | 4 |  | Radiolab | WNYC Studios | |
| 10 | 27 |  | The Psychology Podcast | iHeartPodcasts | |
| 11 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 12 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 13 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 14 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 15 | 1 |  | All In The Mind | ABC | |
| 16 | 1 |  | Short Wave | NPR | |
| 17 | 1 |  | Science Weekly | The Guardian | |
| 18 | 17 |  | CrowdScience | BBC World Service | |
| 19 | — |  | Science In Action | BBC World Service | |
| 20 | 40 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 21 | 6 |  | More or Less | BBC Radio 4 | |
| 22 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 23 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 24 | — |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 25 | 5 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 26 | 20 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 27 | 4 |  | Physics World Weekly Podcast | Physics World | |
| 28 | 8 |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 29 | 33 |  | Regenerative Agriculture Podcast | John Kempf | |
| 30 | — | V | Voice of the Iceberg | RNZ | |
| 31 | 16 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 32 | — | S | Sci Fi / Sci Fact | RNZ | |
| 33 | 15 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 34 | 20 | T | The Weather That Changed Us | ABC | |
| 35 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 36 | 98 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 37 | 38 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 38 | 13 | O | Open Country | BBC Radio 4 | |
| 39 | 41 |  | The Science of Birds | Ivan Phillipsen | |
| 40 | 56 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 41 | 15 |  | Science Magazine Podcast | Science Magazine | |
| 42 | 42 | I | Insects for Fun! | insectsforfun | |
| 43 | 19 |  | Unexplainable | Vox | |
| 44 | 85 |  | Speaking of Psychology | American Psychological Association | |
| 45 | 23 | O | Our Changing World | RNZ | |
| 46 | 85 |  | The Episodic Table of Elements | T. R. Appleton | |
| 47 | 72 |  | The Couples Therapist Couch | Shane Birkel | |
| 48 | 111 |  | Dr Giles Yeo Chews the Fat | Orion Publishing Ltd. | |
| 49 | 21 |  | This Week in Cardiology | Medscape | |
| 50 | 94 |  | The Story Collider | Story Collider, Inc. | |
| 51 | 102 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 52 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 53 | — |  | TheThinkingAtheist | The Thinking Atheist | |
| 54 | 124 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 55 | — |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 56 | — | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 57 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 58 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 59 | — | F | Fire Science Show | Wojciech Wegrzynski | |
| 60 | — | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 61 | — | D | Drug Cultures | Unquantifiable Creations | |
| 62 | 35 | W | Wild Tales | Nature Podcast | National Trust | |
| 63 | 34 |  | Drilled | Pushkin Industries | |
| 64 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 65 | — | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 66 | — |  | This Week in Neuroscience | Vincent Racaniello | |
| 67 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 68 | — |  | The Numberphile Podcast | Brady Haran | |
| 69 | — |  | De weg van de dodo | NPO Radio 1 / NTR | |
| 70 | — | B | Brain Matters | Brain Matters Neuroscience | |
| 71 | — | S | Stories of Safety | Stories of Safety | |
| 72 | — | T | The Sports Coaching Hub Podcast | Cardiff Metropolitan University | |
| 73 | — | P | playing god? | Johns Hopkins Berman Institute of Bioethics | |
| 74 | — | K | Kurzgesagt | Sans Nom | |
| 75 | 23 |  | Unexpected Elements | BBC World Service | |
| 76 | 42 |  | Blurry Creatures | Blurry Creatures | |
| 77 | 44 | W | What The Duck?! | ABC | |
| 78 | 39 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 79 | 18 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 80 | 44 |  | Overheard at National Geographic | National Geographic | |
| 81 | 49 |  | Skeptoid | Brian Dunning | |
| 82 | 44 |  | Instant Genius | Our Media | |
| 83 | 41 |  | The Quanta Podcast | Quanta Magazine | |
| 84 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 85 | 45 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 86 | 36 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 87 | 46 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 88 | 43 |  | MinuteEarth | Minute Earth | |
| 89 | 26 |  | Discovery | BBC World Service | |
| 90 | 47 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 91 | 39 |  | The Life Scientific | BBC Radio 4 | |
| 92 | 48 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 93 | 44 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 94 | 35 |  | the bioinformatics lab | The Bioinformatics Lab | |
| 95 | 23 | S | Simplifying Complexity | Sean Brady from Brady Heywood | |
| 96 | 45 | B | BJA Education Podcasts | BJA Education | |
| 97 | 44 | M | Mark Rober | MR Studios | |
| 98 | 43 | G | Global WEF Nexus Community Podcast | Global WEF Nexus Community | |
| 99 | 43 |  | Night Science | Itai Yanai & Martin Lercher | |
| 100 | 43 | T | That Cancer Conversation | Cancer Research UK | |
