| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 17 |  | Overheard at National Geographic | National Geographic | |
| 5 | 28 |  | The Psychology Podcast | iHeartPodcasts | |
| 6 | 53 | B | Boring History for Sleep | Velvet | |
| 7 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 164 |  | The Energy Podcast | Shell | |
| 9 | — | A | All You Need to Know About Human Physiology | Mannat Bedi | |
| 10 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 5 |  | Instant Genius | Our Media | |
| 12 | 5 |  | Akon City, l'afro-futurisme devient réalité (rediffusion) | Else Legroz | |
| 13 | 4 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 14 | 6 | W | Wild Tales | Nature Podcast | National Trust | |
| 15 | 5 |  | MCAT Basics (from MedSchoolCoach) | MedSchoolCoach | |
| 16 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 17 | 5 | P | PsychCrunch | The British Psychological Society Research Digest | |
| 18 | 36 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 19 | 6 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 20 | 5 |  | Chemistry Made Simple | Matthew Macariou | |
| 21 | 5 |  | The Life Scientific | BBC Radio 4 | |
| 22 | 5 |  | DNA Today: A Genetics Podcast | Kira Dineen | |
| 23 | 5 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 24 | 5 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 25 | 5 |  | Swansea University Medical School: Anatomy and Embryology | Dr Samuel Webster & Dr Rhiannon Fish | |
| 26 | 12 |  | Unexplainable | Vox | |
| 27 | 5 |  | When Science Finds a Way | Wellcome | |
| 28 | 1 |  | Short Wave | NPR | |
| 29 | 10 |  | Science In Action | BBC World Service | |
| 30 | 6 |  | Science Weekly | The Guardian | |
| 31 | 6 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 32 | 6 |  | On Humans | Ilari Mäkelä | |
| 33 | 6 |  | Wild Sounds: Voices from Antarctica | RNZ | |
| 34 | — |  | Blurry Creatures | Blurry Creatures | |
| 35 | 7 |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 36 | 6 |  | More or Less | BBC Radio 4 | |
| 37 | 14 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 38 | 7 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 39 | 67 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 40 | 159 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 41 | — | R | RumiNation | Jefo | |
| 42 | 6 |  | CrowdScience | BBC World Service | |
| 43 | 46 |  | Discovery | BBC World Service | |
| 44 | 7 |  | Unexpected Elements | BBC World Service | |
| 45 | 7 | R | Relativity: The Special & General Theory | Albert Einstein | |
| 46 | 82 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 47 | 7 |  | The world, the universe and us | New Scientist | |
| 48 | 7 |  | This Week in Space (Audio) | TWiT | |
| 49 | 7 | O | Oil & Gas Journal ReEnterprised | Endeavor Business Media | |
| 50 | 4 |  | Science Vs | Spotify Studios | |
| 51 | 16 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 52 | 20 | N | New Books in Economics | Marshall Poe | |
| 53 | — | T | The Aspiring Psychologist Podcast | Dr Marianne Trent | |
| 54 | 7 |  | فلسفه علم | cheraghprize | |
| 55 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 56 | 109 |  | Climate Correction™ Podcast | Shannon Maganiezin | |
| 57 | 15 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 58 | 15 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 59 | — | M | Market Access Matters | Access Infinity | |
| 60 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 61 | 11 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 62 | 1 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 63 | 19 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 64 | 6 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 65 | 20 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 66 | 4 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 67 | 19 |  | Babbage from The Economist | The Economist | |
| 68 | 19 | I | In Our VoICES | ICES | |
| 69 | 6 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 70 | 6 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 71 | 6 | T | The Show About Science | Nate | The Company Making Podcasts | |
| 72 | 6 | T | The Monkey Dance | The Monkey Dance | |
| 73 | 22 | C | CME in Minutes: Education in Oncology & Hematology | Answers in CME | |
| 74 | 123 |  | MinuteEarth | Minute Earth | |
| 75 | — | S | Speaking of Mol Bio | Thermo Fisher Scientific | |
| 76 | 24 | H | Heilewelt | Pia Schüler, Madeleine Sittner | |
| 77 | 4 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 78 | 21 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 79 | — |  | The Geography of Everything | Ronni Ravid & Zenne Hellinga | |
| 80 | 20 |  | Astrum Space | Astrum | |
| 81 | 3 |  | Lost Women of Science | Lost Women of Science | |
| 82 | 3 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 83 | 16 |  | All In The Mind | ABC | |
| 84 | 16 |  | TheThinkingAtheist | The Thinking Atheist | |
| 85 | 16 |  | Battle For African Agriculture Podcast | Million Belay | |
| 86 | 16 | I | Instru(mental) | Brea Murakami | |
| 87 | 16 | T | The ABCs of SBC | UNICEF SBC | |
| 88 | 4 | W | White Coat, Black Art | CBC | |
| 89 | 4 |  | Speaking of Psychology | American Psychological Association | |
| 90 | 4 | R | RCOG | Royal College of Obstetricians and Gynaecologists | |
| 91 | 4 | A | AP economics 经济学/ 每天听一听更容易理解记忆 | Casey的新生活 | |
| 92 | 4 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 93 | 4 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 94 | 4 | P | Plants and Pipettes | Joram Schwartzmann and Tegan Armarego-Marriott | |
| 95 | 4 |  | The Native Plant Podcast | Native Plant Podcast | |
| 96 | 22 |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 97 | 22 |  | Most Terrifying Places in America | Travel Channel | |
| 98 | 22 |  | ACEP Frontline - Emergency Medicine | Ryan A. Stanton MD, FACEP | |
| 99 | 22 |  | Ask a Spaceman! | Paul M. Sutter | |
| 100 | 20 | B | BRAINLAND | Ken Barrett | |
