| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 3 |  | Radiolab | WNYC Studios | |
| 5 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 6 | — |  | Unexplainable | Vox | |
| 7 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 13 |  | More or Less | BBC Radio 4 | |
| 10 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 11 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 12 | 3 |  | Discovery | BBC World Service | |
| 13 | 6 |  | CrowdScience | BBC World Service | |
| 14 | — | S | Sango | Laurianne | |
| 15 | 3 |  | Short Wave | NPR | |
| 16 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 17 | 3 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 18 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 19 | 34 |  | ScienceStuff | iHeartPodcasts | |
| 20 | 8 |  | BBC Inside Science | BBC Radio 4 | |
| 21 | — |  | TheThinkingAtheist | The Thinking Atheist | |
| 22 | 11 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 23 | 10 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 24 | 23 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 25 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 26 | 106 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 27 | 114 |  | TED Talks Science and Medicine | TED | |
| 28 | 162 | 6 | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | |
| 29 | — |  | The Eco Well podcast | Jen@theecowell | |
| 30 | 156 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 31 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 32 | — |  | Most Terrifying Places in America | Travel Channel | |
| 33 | 9 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 34 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 35 | 8 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 36 | — |  | Win-Win with Liv Boeree | Liv Boeree | |
| 37 | 14 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 38 | — |  | BioCentury This Week | BioCentury | |
| 39 | — | M | Molecule to Market: Inside the outsourcing space | Raman Sehgal | |
| 40 | — | E | Everyday Neuro: Psychology and Neuroscience Podcast | Dr Janine Cooper: Cognitive Psychologist, Neuroscientist, Neuropsychology researcher. | |
| 41 | — |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 42 | — | H | History of the Earth | Richard I. Gibson | |
| 43 | — | T | The Secure World Foundation Podcast | Secure World Foundation | |
| 44 | 8 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 45 | 20 |  | Curious Cases | BBC Radio 4 | |
| 46 | 26 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 47 | 26 |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 48 | 3 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 49 | 5 | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 50 | 24 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 51 | 67 |  | Unexpected Elements | BBC World Service | |
| 52 | 24 |  | Science Weekly | The Guardian | |
| 53 | 50 |  | Science Quickly | Scientific American | |
| 54 | 8 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 55 | 15 |  | The Center for Medical Simulation | Center for Medical Simulation | |
| 56 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 57 | 16 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 58 | 29 |  | The Geonomics Podcast | Dr Alex Dickinson | |
| 59 | 27 | S | Space | BBC World Service | |
| 60 | 24 | T | The Royal College of Psychiatrists Podcast | RCPsych | |
| 61 | 43 |  | Dr Karl Podcast | triplej | |
| 62 | 32 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 63 | 21 |  | Let's Learn Everything! | Maximum Fun | |
| 64 | 33 |  | How We're Wired | The Bertarelli Foundation | |
| 65 | 32 | P | Pharmaceutical Executive | Pharmaceutical Executive Podcast | |
| 66 | 32 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 67 | 32 | C | Conversations in Fetal Medicine | Conversations in Fetal Medicine | |
| 68 | 31 | P | Pulse of the Planet Podcast with Jim Metzner | Science | Nature | Environment | Technology | Jim Metzner | |
| 69 | 31 | I | IQ老友说 | IQVIA艾昆纬 | |
| 70 | 31 | A | AmphibiCast | Dan Drobates | |
| 71 | 128 |  | Mysterious Universe | 8th Kind | |
| 72 | — |  | This Week in Virology | Vincent Racaniello | |
| 73 | 3 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 74 | 24 |  | Overheard at National Geographic | National Geographic | |
| 75 | 68 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 76 | 27 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 77 | 18 |  | The Michael Shermer Show | Michael Shermer | |
| 78 | 92 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 79 | 22 |  | Science Talk | Scientific American | |
| 80 | 4 |  | Science Friday | Science Friday and WNYC Studios | |
| 81 | 91 |  | The Life Scientific | BBC Radio 4 | |
| 82 | 57 |  | The Science of Birds | Ivan Phillipsen | |
| 83 | 33 |  | New Books in Critical Theory | Marshall Poe | |
| 84 | 9 |  | Science In Action | BBC World Service | |
| 85 | 28 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 86 | 12 |  | Science Vs | Spotify Studios | |
| 87 | 10 |  | Nephilim Death Squad | TopLobsta Productions | |
| 88 | 28 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 89 | — |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 90 | 36 | K | K9 Conservationists | Kayla Fratt | |
| 91 | 32 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 92 | 44 | S | Students of Surgery | Martin Brand | |
| 93 | 35 |  | The world, the universe and us | New Scientist | |
| 94 | 39 | S | Surgical Hot Topics | Unknown | |
| 95 | 22 |  | All In The Mind | ABC | |
| 96 | — | S | Stanford Psychology Podcast | Stanford Psychology | |
| 97 | — |  | Drilled | Pushkin Industries | |
| 98 | 42 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 99 | 21 | F | Forschung aktuell | Deutschlandfunk | |
| 100 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
