| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | — |  | The Rest Is Science | Goalhanger | |
| 6 | 152 |  | Ecobite | Ecobot | |
| 7 | — |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 8 | 15 |  | Ancient Aliens | PodcastOne | |
| 9 | 3 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 10 | 32 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 11 | — |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 12 | 5 |  | A Question of Science | The Francis Crick Institute | |
| 13 | 30 |  | Science Weekly | The Guardian | |
| 14 | 5 |  | Drilled | Pushkin Industries | |
| 15 | 5 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 16 | 4 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 17 | 4 | L | Learn While Sleeping | Noor | |
| 18 | 4 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 19 | — |  | Public Health is Dead | Public Health is Dead | |
| 20 | 12 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 13 |  | More or Less | BBC Radio 4 | |
| 22 | 6 |  | Overheard at National Geographic | National Geographic | |
| 23 | 6 |  | Mara | mara Santos | |
| 24 | 4 |  | ACEP Frontline - Emergency Medicine | Ryan A. Stanton MD, FACEP | |
| 25 | 10 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 26 | 5 |  | Instant Genius | Our Media | |
| 27 | 3 |  | Discovery | BBC World Service | |
| 28 | 10 | B | Boring History for Sleep | Velvet | |
| 29 | 10 |  | How We're Wired | The Bertarelli Foundation | |
| 30 | — |  | Bedtime Astronomy | Synthetic Universe | |
| 31 | 9 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 32 | 5 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 33 | 5 |  | SCCS podcast | Scottish Carbon Capture & Storage | |
| 34 | 23 |  | The Energy Podcast | Shell | |
| 35 | 10 |  | Environment, Climate Change, Renewable Energy, Regeneration, Sustainability, Nature, Politics, Circular Economy - One Planet | Environmental Solutions - One Planet Podcast - Creative Process Original Series | |
| 36 | 10 |  | The Climate Question | BBC World Service | |
| 37 | 10 | R | Raumzeit | Metaebene Personal Media - Tim Pritlove | |
| 38 | 32 | V | VoxDev Development Economics | VoxDev.org | |
| 39 | 10 |  | All In The Mind | ABC | |
| 40 | 10 | D | Discovering Forestry | Discovering Forestry | |
| 41 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 42 | 4 | P | Podcast From St Mungo's | Eoghan Colgan | |
| 43 | 4 | T | TamingtheSRU | UC Department of Emergency Medicine | |
| 44 | 4 | V | Veterinary Ramblings | Veterinary Ramblings | |
| 45 | 8 | R | RumiNation | Jefo | |
| 46 | — | P | Poultry Health Today | Poultry Health Today | |
| 47 | 12 | C | Chemistry 101 with Miss Shorter | Allaysia Shorter | |
| 48 | 16 | O | One Planet Podcast · Climate Change, Politics, Sustainability, Environmental Solutions, Renewable Energy, Activism, Biodiver | Creative Process Original Series | |
| 49 | 16 |  | BrainStuff | iHeartPodcasts | |
| 50 | 14 |  | TheThinkingAtheist | The Thinking Atheist | |
| 51 | 10 |  | Babbage from The Economist | The Economist | |
| 52 | 4 |  | Planet Em | Emily McDonald | |
| 53 | 2 | S | SOA Podcasts - Society of Actuaries | Society of Actuaries (SOA) | |
| 54 | 2 |  | Livestock Community Podcast | JEFO | |
| 55 | 2 |  | Maloom | معلوم | Sowt Media | صوت | |
| 56 | 12 |  | Speed & Scale | TED | |
| 57 | 12 |  | Science Vs | Spotify Studios | |
| 58 | 12 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 59 | 1 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 60 | 11 | T | The Genetics Podcast | Sano Genetics | |
| 61 | 11 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 62 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 63 | 1 | B | Biotechnology Reviews | Biotechnology Reviews Luke McLaughlin | |
| 64 | 1 |  | Biotech 2050 Podcast | Biotech 2050 | |
| 65 | 1 | B | Biotechnology | ICGEB | |
| 66 | 12 | N | NESG Radio | The Nigerian Economic Summit Group | |
| 67 | 12 | R | Researching Peace - a podcast by Uppsala University | Institutionen för freds- och konfliktforskning | |
| 68 | 12 |  | Curious Cases | BBC Radio 4 | |
| 69 | 3 |  | Mindset Programming Masterclass | Princewill Ezenwa | |
| 70 | 11 |  | The House of Pod | Kaveh MD | |
| 71 | 10 |  | New Books in Psychoanalysis | Marshall Poe | |
| 72 | 7 | S | Sleep Talk - Talking all things sleep | SleepHub | |
| 73 | 6 |  | Quarks Daily | Quarks | |
| 74 | 1 |  | Sustainably Speaking: An SDG Podcast | Sarah Manielly | |
| 75 | 1 | W | World Bank Group │ What Have We Learned? The Evaluation Podcast | World Bank Group / Independent Evaluation Group | |
| 76 | 1 |  | Journal of the Academy of Nutrition and Dietetics Editor's Podcast | Various | |
| 77 | 9 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 78 | 9 |  | Blurry Creatures | Blurry Creatures | |
| 79 | 8 | W | Why We Care | Tiphaine Marie | |
| 80 | 8 |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 81 | 3 |  | Speaking of Psychology | American Psychological Association | |
| 82 | 3 |  | The Toxpod | The International Association of Forensic Toxicologists (TIAFT) | |
| 83 | 3 | W | Who Knew? We Didn't! | Marta & Meaghan | |
| 84 | 8 | B | Beach Sounds | BeachSounds.com | |
| 85 | 8 | R | Raum & Zeit | Tim Vollert, Maximilian Bensinger | |
| 86 | — |  | TED Talks Science and Medicine | TED | |
| 87 | — |  | Intro to Clinical Research | Debbie and Elyse | |
| 88 | 7 |  | The Michael Shermer Show | Michael Shermer | |
| 89 | 7 |  | Short Wave | NPR | |
| 90 | 1 | U | Under the Cortex | psychologicalscience | |
| 91 | 1 |  | Beat Your Genes Podcast | BeatYourGenes | |
| 92 | 9 | T | The Science of Self | Peter Hollins | |
| 93 | 9 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 94 | 9 |  | Lost Women of Science | Lost Women of Science | |
| 95 | 7 |  | Mystères et étoiles | Zebroloss | |
| 96 | 4 |  | Unexplainable | Vox | |
| 97 | 6 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 98 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 99 | 2 | L | Les podcasts de l'Institut Pasteur | Institut Pasteur | |
| 100 | 2 |  | Stanford Psychology Podcast | Stanford Psychology | |
