| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 5 |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 4 | — |  | New Books in Psychoanalysis | Marshall Poe | |
| 5 | — | U | Une publi, des humains | Université de Strasbourg | |
| 6 | 40 |  | Ancient Aliens | PodcastOne | |
| 7 | 170 |  | Chemistry Made Simple | Matthew Macariou | |
| 8 | 191 |  | Let's Talk Chemistry- a science podcast by ChemTalk | The ChemTalk Team | |
| 9 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 10 | — | C | Chemistry in Everyday Life | Johannes Vogel | |
| 11 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 12 | 10 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 13 | 10 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 14 | 3 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 15 | 10 |  | Science Weekly | The Guardian | |
| 16 | 10 |  | The Rest Is Science | Goalhanger | |
| 17 | 58 |  | Ologies with Alie Ward | Alie Ward | |
| 18 | — | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 19 | 11 | T | The Psychology Perspective | ellie2302d | |
| 20 | 11 |  | BioCentury This Week | BioCentury | |
| 21 | 31 | B | Boring History for Sleep | Velvet | |
| 22 | 12 |  | BBC Inside Science | BBC Radio 4 | |
| 23 | 11 | G | Geography Fun Podcast | Geography Fun | |
| 24 | 10 |  | Instant Genius | Our Media | |
| 25 | 4 |  | Quarks Daily | Quarks | |
| 26 | 28 |  | The Psychology Podcast | iHeartPodcasts | |
| 27 | — | P | Project Medtech | Project Medtech | |
| 28 | 10 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 29 | 6 |  | Science Vs | Spotify Studios | |
| 30 | 11 | T | The Rest Is Just Noise | Andrew Mitchell, Francesco Aletta, Tin Oberman | |
| 31 | 7 |  | Das Wissen | SWR | SWR | |
| 32 | 8 |  | New Books in Critical Theory | Marshall Poe | |
| 33 | 20 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 34 | 8 |  | Unexplainable | Vox | |
| 35 | — | T | The Stress Puzzle | Dr. Ryan L. Brown and the UCSF Stress Measurement Network | |
| 36 | 7 | W | Wild Tales | Nature Podcast | National Trust | |
| 37 | 26 |  | Short Wave | NPR | |
| 38 | 2 | T | The Hague Diplomacy Podcast | The Hague Diplomacy Podcast | |
| 39 | 12 | W | Why We Care | Tiphaine Marie | |
| 40 | 24 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 41 | 115 |  | Discovery | BBC World Service | |
| 42 | 136 |  | The Life Scientific | BBC Radio 4 | |
| 43 | 148 |  | Babbage from The Economist | The Economist | |
| 44 | 27 |  | Particles of Thought | GBH | |
| 45 | 12 |  | The Mineral Rights Podcast: Mineral Rights | Royalties | Oil and Gas | Matt Sands | Matt Sands | |
| 46 | 151 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 47 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 48 | — |  | The Story Collider | Story Collider, Inc. | |
| 49 | — | Đ | ĐÀN ÔNG SIGMA | Danido | |
| 50 | 30 |  | Curious Cases | BBC Radio 4 | |
| 51 | 36 |  | The Energy Podcast | Shell | |
| 52 | 13 |  | Planet Em | Emily McDonald | |
| 53 | 9 | O | Oil & Gas Journal ReEnterprised | Endeavor Business Media | |
| 54 | 9 |  | The MCAT Podcast | Ryan Gray | |
| 55 | 8 |  | The Medical School Podcast | Teach Me Anki | |
| 56 | 8 | T | The Abstract | Shahin Zagros | |
| 57 | 8 | S | Specialty Stories | Ryan Gray | |
| 58 | — |  | BrainStuff | iHeartPodcasts | |
| 59 | 37 | N | New Books in Economics | Marshall Poe | |
| 60 | 36 |  | La Conversation scientifique | France Culture | |
| 61 | 36 |  | Board Rounds Prep for USMLE and COMLEX | Ryan Gray | |
| 62 | 17 |  | TheThinkingAtheist | The Thinking Atheist | |
| 63 | 29 |  | Making Sense with Sam Harris | Sam Harris | |
| 64 | 36 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 65 | 35 |  | Conversations in Obstetrics and Gynecology | Unknown | |
| 66 | 35 |  | Public Health is Dead | Public Health is Dead | |
| 67 | 35 | T | This World of Humans | Nathan H. Lents | |
| 68 | 17 |  | Speaking of Psychology | American Psychological Association | |
| 69 | 34 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 70 | 14 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 71 | 14 |  | Swansea University Medical School: Anatomy and Embryology | Dr Samuel Webster & Dr Rhiannon Fish | |
| 72 | 14 |  | Biotech 2050 Podcast | Biotech 2050 | |
| 73 | 14 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 74 | 35 |  | Overheard at National Geographic | National Geographic | |
| 75 | 38 |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 76 | 27 |  | The Quanta Podcast | Quanta Magazine | |
| 77 | — | S | Students of Surgery | Martin Brand | |
| 78 | 37 |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 79 | 37 | N | NASP Speciality Pharmacy Podcast | Pharmacy Podcast Network | |
| 80 | 37 | M | Mensana - Psychiatric Facts not Fiction | Sylvio Burcescu | |
| 81 | 31 | C | Choses à Savoir SCIENCES | Choses à Savoir | |
| 82 | 14 |  | NAWA - Kierunek Nauka | Free Range Productions | |
| 83 | 14 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 84 | 14 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 85 | 14 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 86 | 33 | C | COR2ED - Obstetrics & Gynecology Medical Conversation | COR2ED Medical Education | |
| 87 | 13 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 88 | — |  | All In The Mind | ABC | |
| 89 | 34 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 90 | 30 |  | Nature Podcast | Springer Nature Limited | |
| 91 | 14 |  | Akon City, l'afro-futurisme devient réalité (rediffusion) | Else Legroz | |
| 92 | 14 | D | Decoding Life | Kathryn Murie and Sophie Belman | |
| 93 | 32 | N | NESG Radio | The Nigerian Economic Summit Group | |
| 94 | 32 | T | The Coronavirus Effect | Samuel Webster Harris | |
| 95 | 31 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 96 | 30 |  | Big Brains | University of Chicago Podcast Network | |
| 97 | 30 |  | The Michael Shermer Show | Michael Shermer | |
| 98 | 21 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 99 | 27 | D | Demystifying Genetics | Matt Burgess | |
| 100 | 27 | C | COR2ED - Obstetrics & Gynecology Medical Conversation Video | COR2ED Medical Education | |
