| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 3 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 4 | 34 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 3 |  | Radiolab | WNYC Studios | |
| 6 | — |  | Big Brains | University of Chicago Podcast Network | |
| 7 | 73 | N | New Books in Public Policy | New Books Network | |
| 8 | — |  | Night Science | Itai Yanai & Martin Lercher | |
| 9 | 6 |  | You Are Not So Smart | You Are Not So Smart | |
| 10 | 4 |  | The Life Scientific | BBC Radio 4 | |
| 11 | 4 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 12 | 4 |  | The Orthobullets Podcast | Orthobullets | |
| 13 | 4 |  | The Energy Podcast | Shell | |
| 14 | 4 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 15 | 3 |  | فلسفه علم | cheraghprize | |
| 16 | 5 |  | Science Vs | Spotify Studios | |
| 17 | 3 | P | Power & Politics: Unraveling History | Martin A. Lessem | |
| 18 | 3 |  | Speed & Scale | TED | |
| 19 | 3 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 20 | 3 | S | Sexual and Reproductive Health Matters Podcast | Sexual and Reproductive Health Matters (SRHM) | |
| 21 | 8 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 22 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 23 | 5 |  | Astrum Space | Astrum | |
| 24 | 5 |  | Science Weekly | The Guardian | |
| 25 | 5 |  | Everyday Emergency | Doctors Without Borders | |
| 26 | 4 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 27 | 3 | T | Thought Magnet | Dennis DiClaudio | |
| 28 | 3 | T | The Human Subject | BBC Radio 4 | |
| 29 | 8 |  | The Psychology Podcast | iHeartPodcasts | |
| 30 | 16 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 31 | 8 |  | CrowdScience | BBC World Service | |
| 32 | 1 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 33 | 33 |  | Ancient Aliens | PodcastOne | |
| 34 | 1 |  | All In The Mind | ABC | |
| 35 | 9 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 36 | 9 | F | Future of Poultry | Watt Global Media | |
| 37 | 9 |  | The Poultry Podcast Show | Wisenetix | |
| 38 | 9 |  | The Michael Sartain Podcast | Michael Sartain | |
| 39 | 9 | R | RoK Diagnostics Podcast | Robertson Klaingar | |
| 40 | 17 |  | BBC Inside Science | BBC Radio 4 | |
| 41 | 7 |  | Most Terrifying Places in America | Travel Channel | |
| 42 | 10 | R | Relativity: The Special & General Theory | Albert Einstein | |
| 43 | 52 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 44 | — |  | Mysterious Universe | 8th Kind | |
| 45 | 10 | L | LSHTM Viral | LSHTM | |
| 46 | 10 | T | The Leading Voices in Food | Duke World Food Policy Center | |
| 47 | — |  | Short Wave | NPR | |
| 48 | 150 |  | Science In Action | BBC World Service | |
| 49 | — | T | The Criminologist | Joe Arvidson | |
| 50 | — |  | Overheard at National Geographic | National Geographic | |
| 51 | 140 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 52 | 12 |  | Curious Cases | BBC Radio 4 | |
| 53 | 12 |  | The Astrophysics Podcast | Paul Duffell | |
| 54 | 12 | M | Medical Biochemistry | Ling Hwang | |
| 55 | 12 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 56 | 12 |  | Climate One | Climate One from The Commonwealth Club | |
| 57 | 12 | B | Big Picture Science | Big Picture Science | |
| 58 | 9 |  | More or Less | BBC Radio 4 | |
| 59 | — | A | Animal Minds | Clairebennett1327 | |
| 60 | 23 |  | DNA Today: A Genetics Podcast | Kira Dineen | |
| 61 | 10 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 62 | 10 | I | Inside Cancer Careers | National Cancer Institute | |
| 63 | 10 | H | Higher Education Researcher | CHERE@LU | |
| 64 | 25 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 65 | 2 |  | Discovery | BBC World Service | |
| 66 | 18 |  | Instant Genius | Our Media | |
| 67 | 9 |  | The Geography of Everything | Ronni Ravid & Zenne Hellinga | |
| 68 | 20 |  | Making Sense with Sam Harris | Sam Harris | |
| 69 | 8 |  | The Michael Shermer Show | Michael Shermer | |
| 70 | 10 | T | The Dairy Nutrition Blackbelt Podcast | Wisenetix | |
| 71 | 9 |  | The Market Gardener Podcast | JM Fortier | |
| 72 | 12 | G | Grab Audiobook in Newspapers & Magazines, Science & Technology | Free Audiobook | |
| 73 | 13 |  | Blurry Creatures | Blurry Creatures | |
| 74 | — | R | Resilient Futures Podcast | Future Cities | |
| 75 | 21 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 76 | 21 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 77 | 21 |  | Physics World Weekly Podcast | Physics World | |
| 78 | 10 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 79 | 12 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 80 | 11 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 81 | 11 | A | Association of Academic Physiatrists | Physiatry News | |
| 82 | 23 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 83 | 39 |  | Unexpected Elements | BBC World Service | |
| 84 | — | P | Project Medtech | Project Medtech | |
| 85 | 21 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 86 | 21 | 9 | 99 Topics for the CCFP | Dr. Brady Bouchard | |
| 87 | 14 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 88 | 11 | T | The Intern At Work: Internal Medicine | Medicine Pods: The Intern at Work | |
| 89 | 11 | T | THE THANOS SNAP | TheThanosSnap | |
| 90 | 11 | P | PsychCrunch | The British Psychological Society Research Digest | |
| 91 | 2 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 92 | 21 |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 93 | 21 | W | Wild Tales | Nature Podcast | National Trust | |
| 94 | — | P | pharmaphorum Podcast | pharmaphorum | |
| 95 | 21 |  | Battle For African Agriculture Podcast | Million Belay | |
| 96 | 21 | E | eLife Community Voices | eLife | |
| 97 | 21 | F | Faith and Science | 3ABN Australia Radio | |
| 98 | 11 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 99 | 18 |  | MinuteEarth | Minute Earth | |
| 100 | 18 |  | The Couples Therapist Couch | Shane Birkel | |
