| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | 51 |  | A Question of Science | The Francis Crick Institute | |
| 4 | — | S | Sociology Sessions | A Sociology Experiment | |
| 5 | — | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 6 | — | T | The Marxist Sociology Blog Podcast | Marxist Sociology Blog | |
| 7 | — | A | AAESS Sociology Podcast | AAESS Sociology | |
| 8 | 4 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 9 | 8 |  | Unexplainable | Vox | |
| 10 | 7 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 11 | 5 |  | Overheard at National Geographic | National Geographic | |
| 12 | 7 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 6 |  | The Orthobullets Podcast | Orthobullets | |
| 14 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 15 | 7 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 16 | 7 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 17 | 4 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 18 | 6 | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 19 | 9 | B | Boring History for Sleep | Velvet | |
| 20 | 6 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 21 | 6 | T | THE THANOS SNAP | TheThanosSnap | |
| 22 | 5 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 23 | 7 |  | Quarks Daily | Quarks | |
| 24 | 22 |  | Science Weekly | The Guardian | |
| 25 | 4 | M | Medical School Audio | Brad Richardson | |
| 26 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 27 | — | C | CARTA - Anthropogeny (Video) | UCTV | |
| 28 | 6 |  | Yale Anesthesiology | Yale Anesthesiology | |
| 29 | 13 |  | Curiosity Weekly | Discovery | |
| 30 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 31 | 8 |  | The Psychology Podcast | iHeartPodcasts | |
| 32 | 29 |  | Short Wave | NPR | |
| 33 | 52 |  | BBC Inside Science | BBC Radio 4 | |
| 34 | 43 |  | Instant Genius | Our Media | |
| 35 | — |  | BrainStuff | iHeartPodcasts | |
| 36 | — |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 37 | 11 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 38 | 20 |  | Science Vs | Spotify Studios | |
| 39 | 52 |  | All In The Mind | ABC | |
| 40 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 41 | 10 | C | Cognitive Bias | The Cognitive Bias Thinkbois | |
| 42 | 10 |  | Speaking of Psychology | American Psychological Association | |
| 43 | 10 |  | فلسفه علم | cheraghprize | |
| 44 | 10 |  | New Books in Critical Theory | Marshall Poe | |
| 45 | 10 | ب | بودكاست آن | Arabcast | |
| 46 | 10 | ا | ایستگاه فضایی | Siavash Saffarianpour | |
| 47 | 10 | H | hoopoecast | شهریار شهیر برزگر | |
| 48 | 29 | T | The Field Guide to Particle Physics | Sean Downes | |
| 49 | 53 |  | TheThinkingAtheist | The Thinking Atheist | |
| 50 | — | L | Lovestate Dvyn | Lovestate Dvyn | |
| 51 | 22 |  | The Climate Question | BBC World Service | |
| 52 | 28 |  | The Astrophysics Podcast | Paul Duffell | |
| 53 | 12 |  | Ologies with Alie Ward | Alie Ward | |
| 54 | 11 |  | The Energy Podcast | Shell | |
| 55 | 17 |  | Speed & Scale | TED | |
| 56 | 12 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 57 | 12 | S | Simple Joe | Joe Taylor | |
| 58 | 30 | R | Rain Sounds Podcast | Natural Podcasts | |
| 59 | 12 |  | Shot At Love | Kerry Brett | |
| 60 | 12 | B | Behind the Genes | Genomics England | |
| 61 | 3 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 62 | 23 |  | The Science of Birds | Ivan Phillipsen | |
| 63 | 21 |  | Particles of Thought | GBH | |
| 64 | 103 | W | What Is It About The Weather | Weather | |
| 65 | — |  | Why Do We Do That? | BBC Radio 4 | |
| 66 | — | A | AASHTO re:source Q & A Podcast | AASHTO resource | |
| 67 | — | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 68 | 31 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 69 | 16 |  | Babbage from The Economist | The Economist | |
| 70 | 30 | T | The Science of Self | Peter Hollins | |
| 71 | 14 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 72 | 14 | T | Tweet of the Day | BBC Radio 4 | |
| 73 | 14 |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 74 | 14 | P | Pharmaceutical Executive | Pharmaceutical Executive Podcast | |
| 75 | 13 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 76 | 13 |  | The Threshold | Foreign Policy | |
| 77 | 11 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 78 | 11 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 79 | 30 | O | One Planet Podcast · Climate Change, Politics, Sustainability, Environmental Solutions, Renewable Energy, Activism, Biodiver | Creative Process Original Series | |
| 80 | 28 |  | The Observable Unknown | Dr. Juan Carlos Rey | |
| 81 | 31 |  | Curious Cases | BBC Radio 4 | |
| 82 | 69 |  | Nature Podcast | Springer Nature Limited | |
| 83 | 32 | H | Human Genome Project | Hasna Arista Aprilia | |
| 84 | 11 |  | Sekke Podcast | پادکست سکه | Sekke Podcast | پادکست سکه | |
| 85 | 11 |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 86 | 11 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 87 | 11 | S | Sekke Podcast | پادکست سکه | Sekke Podcast | پادکست سکه | |
| 88 | 33 | D | Demystifying Genetics | Matt Burgess | |
| 89 | 33 |  | Unexpected Elements | BBC World Service | |
| 90 | 25 |  | Ancient Aliens | PodcastOne | |
| 91 | 12 |  | Blurry Creatures | Blurry Creatures | |
| 92 | 23 | N | NESG Radio | The Nigerian Economic Summit Group | |
| 93 | 25 | E | Earthy Girls is a Mother/Daughter Organic Duo who LOVE the Planet & All things Green. | Rebecca Behnke | |
| 94 | 24 |  | Почему мы еще живы | libo/libo | |
| 95 | 24 |  | Robinson's Podcast | Robinson Erhardt | |
| 96 | 24 | M | Medscape InDiscussion: HIV | Medscape | |
| 97 | 19 |  | The world, the universe and us | New Scientist | |
| 98 | 17 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 99 | 19 |  | More or Less | BBC Radio 4 | |
| 100 | 14 | E | EPITalk: Behind the Paper | Annals of Epidemiology | |
