| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | The Observable Unknown | Dr. Juan Carlos Rey | |
| 3 | 6 |  | Instant Genius | Our Media | |
| 4 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 2 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 6 | 2 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 7 | 23 |  | BBC Inside Science | BBC Radio 4 | |
| 8 | 8 |  | Radiolab | WNYC Studios | |
| 9 | — |  | Great Mysteries of Physics | The Conversation | |
| 10 | 5 | B | Boring History for Sleep | Velvet | |
| 11 | 32 |  | Overheard at National Geographic | National Geographic | |
| 12 | 113 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 13 | — | E | Easy Physics | Easy Physics | |
| 14 | — | B | Behavioural Patterns Caused By Physiological Variations In Humans | Fomake | |
| 15 | — | T | The Medical Mind | American Psychiatric Association | |
| 16 | 9 |  | The Futurists | Provoke.fm | |
| 17 | 9 |  | The Psychology Podcast | iHeartPodcasts | |
| 18 | 7 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 19 | 13 |  | Astrum Space | Astrum | |
| 20 | 8 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 21 | 8 | O | One in Ten | National Children's Alliance | |
| 22 | 8 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 23 | 100 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 24 | 9 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 25 | 7 |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 26 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 27 | 8 | T | The Drug Discovery World Podcast | Drug Discovery World (DDW) | |
| 28 | 8 | S | Solar Talk: Tech & Trends in Solar Energy | Eco Green Energy | |
| 29 | 12 |  | Ologies with Alie Ward | Alie Ward | |
| 30 | 8 | T | The Criminology Academy | Jose Sanchez and Jenn Tostlebe | |
| 31 | 8 | G | Get Popular Titles Full Audiobooks in Science & Technology, Psychology & The Mind | Online Free Audiobooks | |
| 32 | 5 | T | THE THANOS SNAP | TheThanosSnap | |
| 33 | 9 |  | How We're Wired | The Bertarelli Foundation | |
| 34 | 9 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 35 | 9 |  | A Life More Wild | Canopy & Stars | |
| 36 | 8 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 37 | 8 | R | Rocking Reservoir Waves | GeoSoftware Far East | |
| 38 | 50 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 39 | 8 | T | The Immunology in Africa Podcast | Wealth Okete | |
| 40 | 8 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 41 | 75 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 42 | — | P | pharmaphorum Podcast | pharmaphorum | |
| 43 | 10 |  | More or Less | BBC Radio 4 | |
| 44 | 8 |  | The Energy Podcast | Shell | |
| 45 | 8 | O | Omnivore | Food Technology Magazine | |
| 46 | 8 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 47 | 6 |  | Introduction To Geology Of Nigeria | Irene Bernard | |
| 48 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 49 | 1 | T | The Turing Podcast | The Alan Turing Institute | |
| 50 | 16 |  | Most Terrifying Places in America | Travel Channel | |
| 51 | 95 |  | Ancient Aliens | PodcastOne | |
| 52 | 17 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 53 | 13 |  | Blurry Creatures | Blurry Creatures | |
| 54 | 5 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 55 | 16 | W | Wild Tales | Nature Podcast | National Trust | |
| 56 | 4 |  | From Concept to Medicine - A Comprehensive Drug Development Journey | Jim Mitchell | |
| 57 | 4 |  | The History of Chemistry | Steve Cohen | |
| 58 | 4 |  | Prognosis: Misconception | Bloomberg | |
| 59 | 10 |  | Science Weekly | The Guardian | |
| 60 | 18 |  | Unexplainable | Vox | |
| 61 | 16 |  | Speaking of Psychology | American Psychological Association | |
| 62 | — | A | About Sustainability… | Institute for Global Environmental Strategies | |
| 63 | 17 |  | Bionic Planet: Reversing Climate Change by Restoring Nature | Steve Zwick | |
| 64 | 17 | N | New Books in Political Science | New Books Network | |
| 65 | 17 | T | The Molecular Cell Biology Podcast | Germán Rosas-Acosta, MSc, PhD. | |
| 66 | 15 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 67 | 1 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 68 | 6 | P | Portobello Talk Radio @portopav North Sea Neighbours | Portobello Radio | |
| 69 | 76 |  | BrainStuff | iHeartPodcasts | |
| 70 | 14 | S | scigest - Plant & Food Research podcast | The New Zealand Institute for Plant & Food Research Limited | |
| 71 | 14 |  | TheThinkingAtheist | The Thinking Atheist | |
| 72 | 14 |  | Science Vs | Spotify Studios | |
| 73 | — |  | Curious Cases | BBC Radio 4 | |
| 74 | 5 | A | All You Need to Know About Human Physiology | Mannat Bedi | |
| 75 | 15 |  | Nature Podcast | Springer Nature Limited | |
| 76 | 21 |  | Babbage from The Economist | The Economist | |
| 77 | 16 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 78 | 15 |  | Speed & Scale | TED | |
| 79 | 15 | M | Market Access Matters | Access Infinity | |
| 80 | 15 |  | The Orthobullets Podcast | Orthobullets | |
| 81 | 15 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 82 | 15 |  | Short Wave | NPR | |
| 83 | 8 |  | Akon City, l'afro-futurisme devient réalité (rediffusion) | Else Legroz | |
| 84 | 8 |  | MCAT Basics (from MedSchoolCoach) | MedSchoolCoach | |
| 85 | 15 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 86 | 15 | A | Access the Most Popular Audiobooks in Science & Technology, Psychology & The Mind | Free Listen Audiobook | |
| 87 | 15 | Q | Quantum Entanglement or Just Coincidence? | Jessica Kendall | |
| 88 | 15 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 89 | 15 |  | Science In Action | BBC World Service | |
| 90 | 6 | P | PsychCrunch | The British Psychological Society Research Digest | |
| 91 | 14 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 92 | 14 | I | Ideas Untrapped | Tobi Lawson | |
| 93 | 14 | N | New Books in Public Policy | New Books Network | |
| 94 | 14 |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 95 | 14 | P | Podcasts by Network for Research into Chinese Education Mobilities | NRCEM ChineseEdMobilities | |
| 96 | 9 |  | Chemistry Made Simple | Matthew Macariou | |
| 97 | 15 |  | Discovery | BBC World Service | |
| 98 | 13 |  | CrowdScience | BBC World Service | |
| 99 | 8 |  | The Life Scientific | BBC Radio 4 | |
| 100 | 8 |  | Ask the Naked Scientists | Dr Chris Smith | |
