| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 4 | 11 |  | Overheard at National Geographic | National Geographic | |
| 5 | 44 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 6 | 121 | P | Physics Chemistry Math 🔥❤️ | Sumit Sahu | |
| 7 | 61 |  | The Life Scientific | BBC Radio 4 | |
| 8 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 9 | 4 |  | The Michael Shermer Show | Michael Shermer | |
| 10 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 11 | 4 |  | You Are Not So Smart | You Are Not So Smart | |
| 12 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 14 | 2 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 15 | 2 |  | Curious Cases | BBC Radio 4 | |
| 16 | 2 |  | The Dairy Podcast Show | Wisenetix | |
| 17 | 19 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 18 | 9 |  | Ologies with Alie Ward | Alie Ward | |
| 19 | 15 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 20 | 40 | B | Boring History for Sleep | Velvet | |
| 21 | 5 |  | Physics World Weekly Podcast | Physics World | |
| 22 | 36 |  | Quarks Daily | Quarks | |
| 23 | 3 |  | Unexplainable | Vox | |
| 24 | 6 |  | A Question of Science | The Francis Crick Institute | |
| 25 | 73 |  | Science Vs | Spotify Studios | |
| 26 | 126 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 27 | 8 | S | Sociology Sessions | A Sociology Experiment | |
| 28 | 8 | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 29 | 8 | T | The Marxist Sociology Blog Podcast | Marxist Sociology Blog | |
| 30 | 8 | A | AAESS Sociology Podcast | AAESS Sociology | |
| 31 | 78 |  | CrowdScience | BBC World Service | |
| 32 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 33 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 34 | 24 |  | Blurry Creatures | Blurry Creatures | |
| 35 | 8 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 36 | — |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 37 | 5 |  | The Orthobullets Podcast | Orthobullets | |
| 38 | 15 |  | Short Wave | NPR | |
| 39 | 8 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 40 | 2 |  | Nature Podcast | Springer Nature Limited | |
| 41 | 24 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 42 | 9 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 43 | — |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 44 | — | N | No Need to Strain Your Eyes, Let Your Ears Do the Reading With Full Audiobook | Science & Technology, Psychology & The Mind | Free Audiobook | |
| 45 | — | M | Matters of Engagement | mattersofengagement | |
| 46 | — |  | Global Optimum | Daniel Gambacorta | |
| 47 | 23 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 48 | 9 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 49 | 24 |  | Environment, Climate Change, Renewable Energy, Regeneration, Sustainability, Nature, Politics, Circular Economy - One Planet | Environmental Solutions - One Planet Podcast - Creative Process Original Series | |
| 50 | 10 | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 51 | 10 | T | THE THANOS SNAP | TheThanosSnap | |
| 52 | 28 |  | The Energy Podcast | Shell | |
| 53 | 12 |  | New Books in Critical Theory | Marshall Poe | |
| 54 | 25 |  | Unexpected Elements | BBC World Service | |
| 55 | 111 | T | The Genetics Podcast | Sano Genetics | |
| 56 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 57 | 22 |  | Making Sense with Sam Harris | Sam Harris | |
| 58 | 30 |  | Science Weekly | The Guardian | |
| 59 | 22 |  | Science Magazine Podcast | Science Magazine | |
| 60 | 7 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 61 | 31 |  | Publish, Perish or Podcast | Publish, Perish or Podcast | |
| 62 | 7 | M | Medical School Audio | Brad Richardson | |
| 63 | 7 | C | CARTA - Anthropogeny (Video) | UCTV | |
| 64 | 7 |  | Yale Anesthesiology | Yale Anesthesiology | |
| 65 | — |  | Chemistry Made Simple | Matthew Macariou | |
| 66 | — | Z | Zodiac Signs, Motivation, and More! | Joshua W. M. | |
| 67 | — | Y | YesGirl Science Podcast | YesGirl Science Podcast | |
| 68 | 31 |  | Instant Genius | Our Media | |
| 69 | 24 | B | Behind the Genes | Genomics England | |
| 70 | 27 | W | Wild Tales | Nature Podcast | National Trust | |
| 71 | 27 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 72 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 73 | 2 | C | Cognitive Bias | The Cognitive Bias Thinkbois | |
| 74 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 75 | 2 |  | فلسفه علم | cheraghprize | |
| 76 | 2 | ب | بودكاست آن | Arabcast | |
| 77 | 2 | ا | ایستگاه فضایی | Siavash Saffarianpour | |
| 78 | 2 | H | hoopoecast | شهریار شهیر برزگر | |
| 79 | 33 | M | Medical Biochemistry | Ling Hwang | |
| 80 | 33 | П | Подкаст ЮФУ | Южный федеральный университет | |
| 81 | 30 |  | Babbage from The Economist | The Economist | |
| 82 | 34 | N | New Books in Public Policy | New Books Network | |
| 83 | 33 | A | Aperture: The Universe and Human Condition | Aperture: The Universe and Human Condition | |
| 84 | 7 |  | Curiosity Weekly | Discovery | |
| 85 | 33 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 86 | 23 |  | Sekke Podcast | پادکست سکه | Sekke Podcast | پادکست سکه | |
| 87 | 23 | S | Sekke Podcast | پادکست سکه | Sekke Podcast | پادکست سکه | |
| 88 | 35 | T | The Structural Engineering Podcast | Zach and Max | |
| 89 | 35 |  | All In The Mind | ABC | |
| 90 | 24 |  | Particles of Thought | GBH | |
| 91 | 9 | S | Simple Joe | Joe Taylor | |
| 92 | 9 |  | Shot At Love | Kerry Brett | |
| 93 | 34 | N | New Books in Economics | Marshall Poe | |
| 94 | 33 |  | The Quanta Podcast | Quanta Magazine | |
| 95 | — |  | Discovery | BBC World Service | |
| 96 | 34 | D | Discovering Forestry | Discovering Forestry | |
| 97 | 28 | C | Climate Change and Health Conversation with Nana Adwoa Achiaa | Climate & Health podcast | |
| 98 | 10 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 99 | 10 | T | Tweet of the Day | BBC Radio 4 | |
| 100 | 10 |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
