| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 5 | — | I | Ideas of India | Mercatus Center at George Mason University | |
| 7 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 5 |  | Speaking of Psychology | American Psychological Association | |
| 9 | 2 |  | Instant Genius | Our Media | |
| 12 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | 7 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 16 | 1 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 17 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 19 | 8 |  | Discovery | BBC World Service | |
| 20 | 4 |  | The Astrophysics Podcast | Paul Duffell | |
| 21 | 9 |  | Curious Cases | BBC Radio 4 | |
| 22 | 14 | S | Sher Khan | Aaj Tak Radio | |
| 24 | 8 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 25 | 4 |  | The world, the universe and us | New Scientist | |
| 27 | 79 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 28 | 7 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 29 | 6 |  | Short Wave | NPR | |
| 30 | — | E | EMRA*Cast | Emergency Medicine Residents' Association | |
| 31 | 8 | N | New Books in Sociology | New Books Network | |
| 33 | 11 |  | The Psychology Podcast | iHeartPodcasts | |
| 34 | 4 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 35 | — | Ž | Žárovky | Český rozhlas | |
| 37 | 31 |  | American Innovations | Audible | |
| 39 | 9 |  | The Climate Question | BBC World Service | |
| 40 | — |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 41 | 13 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 42 | 122 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 45 | — | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 46 | 151 |  | Quarks Daily | Quarks | |
| 48 | 22 |  | The Quanta Podcast | Quanta Magazine | |
| 52 | 99 |  | Drilled | Pushkin Industries | |
| 53 | 18 |  | This Week in Neuroscience | Vincent Racaniello | |
| 54 | — |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 55 | 139 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 56 | — | T | The Universe Speaks in Numbers | Faber and Faber | |
| 57 | — |  | Bedtime Astronomy | Synthetic Universe | |
| 58 | 16 |  | Invisibilia | NPR | |
| 61 | 32 |  | Science Friday | Science Friday and WNYC Studios | |
| 62 | — | B | Blood Podcast | American Society of Hematology | |
| 65 | 30 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 66 | 32 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 67 | — | A | Annals of Emergency Medicine | Ryan Radecki, MD & Rory Spiegel, MD | |
| 68 | 24 |  | Medical Basics Podcast - Tips, Tricks, and Advice for Medical and Nursing Students | Medical Basics | |
| 69 | — |  | ACEP Frontline - Emergency Medicine | Ryan A. Stanton MD, FACEP | |
| 71 | — | Q | Quantum Foundations Podcast | Maria Violaris | |
| 72 | — | N | Nature Track | ABC listen | |
| 73 | — | پ | پادکست پرامپت | Prompt | هوشیو | |
| 75 | — |  | Health Wanted | WABE | |
| 77 | — | A | American Academy of Emergency Medicine | American Academy of Emergency Medicine | |
| 80 | 34 |  | Ask a Spaceman! | Paul M. Sutter | |
| 81 | 38 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 82 | 12 |  | Science Quickly | Scientific American | |
| 85 | 3 | N | New Books in Education | Marshall Poe | |
| 88 | 24 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 89 | 33 |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 90 | 29 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 91 | 39 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 93 | 42 | T | The Stem Cell Report with Janet Rossant | ISSCR | |
| 94 | 26 |  | BBC Inside Science | BBC Radio 4 | |
| 96 | 30 |  | Unexpected Elements | BBC World Service | |
| 97 | 50 | T | The Sid Warrier Podcast | Sid | |
| 98 | 58 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 100 | 47 |  | Believing the Bizarre: Paranormal Conspiracies & Myths | Tyler and Charlie | |
| 102 | 44 | ग | गोष्ट दुनियेची | BBC Marathi Audio | |
| 105 | 20 | T | The Bioinformatics CRO Podcast | The Bioinformatics CRO | |
| 106 | 20 | C | Cognitive Psychology | Lisamarie Trezza | |
| 107 | 20 |  | Clinical Conversations | Royal College of Physicians of Edinburgh | |
| 109 | 25 |  | This Week in Parasitism | Vincent Racaniello | |
| 112 | 45 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 114 | 52 | E | Easy Physics | Easy Physics | |
| 117 | 48 |  | Quirks and Quarks | CBC | |
| 118 | 27 |  | Origin Stories | The Leakey Foundation | |
| 119 | 47 |  | Let's Learn Everything! | Maximum Fun | |
| 120 | 24 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 122 | 43 | T | The Language Neuroscience Podcast | Stephen M. Wilson | |
| 123 | 43 |  | The Gene Gap: Common threads | The Guardian | |
| 125 | 37 | P | PeerView Gastroenterology CME/CNE/CPE Video Podcast | PVI, PeerView Institute for Medical Education | |
| 127 | 37 | J | Jellybean Podcast with Doug Lynch | Doug Lynch @TheTopEnd | |
| 131 | 72 |  | More or Less | BBC Radio 4 | |
| 132 | 35 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 133 | 24 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 135 | 33 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 136 | 63 |  | Science In Action | BBC World Service | |
| 137 | 20 | N | New Books in Political Science | New Books Network | |
| 138 | 21 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 139 | 35 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 140 | 33 |  | All In The Mind | ABC | |
| 141 | 33 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 143 | 31 | P | Psychology in 10 Minutes | David B. Feldman - psychology | social science | politics | mental health | |
| 146 | 23 |  | EarthWise | Vivaan Mathur | |
| 147 | 29 | I | Inquiring Minds | Indre Viskontas | |
| 149 | 6 |  | Research To Practice | Oncology Videos | Dr Neil Love | |
| 152 | 77 | T | Theory and Practice | GV (Google Ventures) | |
| 153 | 27 | O | Owl Posting | Abhishaike Mahajan | |
| 155 | 5 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 156 | 40 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 157 | 35 |  | How We're Wired | The Bertarelli Foundation | |
| 158 | 35 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
