| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | 2 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 5 | 1 | B | Boring History for Sleep | Velvet | |
| 6 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 8 | 29 |  | Overheard at National Geographic | National Geographic | |
| 9 | 1 |  | Unexplainable | Vox | |
| 10 | 4 |  | Short Wave | NPR | |
| 11 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 12 | 3 | I | Ideas of India | Mercatus Center at George Mason University | |
| 13 | 6 |  | Science Vs | Spotify Studios | |
| 14 | 3 |  | You Are Not So Smart | You Are Not So Smart | |
| 15 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 5 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 17 | — | O | Our Changing World | RNZ | |
| 18 | 6 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 19 | 86 |  | New Books in Critical Theory | Marshall Poe | |
| 20 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 21 | 8 |  | Babbage from The Economist | The Economist | |
| 22 | 160 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | 11 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 24 | 26 |  | Ground Truths | Eric Topol | |
| 25 | 40 |  | Discovery | BBC World Service | |
| 26 | 57 |  | Rare Earth | BBC Radio 4 | |
| 27 | 43 |  | Unexpected Elements | BBC World Service | |
| 28 | — | T | The International Security Podcast | International Security | |
| 29 | 88 |  | Great Mysteries of Physics | The Conversation | |
| 30 | 13 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 31 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 32 | 10 |  | The Quanta Podcast | Quanta Magazine | |
| 33 | 100 |  | Climate Change | Yale School of Forestry | |
| 34 | 18 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 35 | 118 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 36 | — | L | Let's Talk Micro | Luis Plaza | |
| 37 | 12 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 38 | — | T | The India Energy Hour Presented by 101Reporters | 101Reporters | |
| 39 | — | M | Molecule to Market: Inside the outsourcing space | Raman Sehgal | |
| 40 | — | T | The Best Worst Thing | Malaria No More | |
| 41 | — | J | Johns Hopkins Malaria Minute | Johns Hopkins Bloomberg School of Public Health | |
| 42 | — | S | Sustainability | Yale University | |
| 43 | — | C | Climate Connections | Yale Center for Environmental Communication | |
| 44 | — | H | Highest Yield: USMLE Step 2, Step 3, and NBME Shelf Review | Matthew A. Crane | |
| 45 | — | 6 | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | |
| 46 | — |  | Ask MIT Climate | MIT Climate Project | |
| 47 | — | W | WHO [E2P] - PODCAST SERIES | World Health Organization | |
| 48 | — | T | The Hopeful Environmentalist | Taylor Ganis | |
| 49 | — | I | IASP Pain Research Forum Podcasts | IASP Pain Research Forum | |
| 50 | 22 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 51 | 32 |  | Speaking of Psychology | American Psychological Association | |
| 52 | 29 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 53 | 27 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 54 | 39 | N | Neurosurgery Podcast | Neurosurgery Podcast | |
| 55 | 32 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 56 | 22 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 56 | 13 | P | Psychology | Yale School of Medicine | |
| 57 | 61 |  | This Week in Cardiology | Medscape | |
| 58 | 15 |  | All In The Mind | ABC | |
| 59 | 60 |  | New Books in Psychoanalysis | Marshall Poe | |
| 60 | 69 | M | Modern Physics: General Theory of Relativity (Fall 2012) | Stanford Continuing Studies | |
| 61 | 32 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 62 | 31 |  | Curiosity Weekly | Discovery | |
| 63 | 7 |  | Robinson's Podcast | Robinson Erhardt | |
| 64 | 36 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 65 | 35 |  | BrainStuff | iHeartPodcasts | |
| 66 | 1 |  | Science Weekly | The Guardian | |
| 67 | 8 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 68 | 88 |  | Climate One | Climate One from The Commonwealth Club | |
| 69 | 89 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 70 | — |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 71 | 30 |  | The Medbullets Step 1 Podcast | Medbullets | |
| 72 | 27 |  | The Episodic Table of Elements | T. R. Appleton | |
| 73 | 123 |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 74 | 112 | N | New Books in Political Science | New Books Network | |
| 75 | 48 |  | the bioinformatics lab | The Bioinformatics Lab | |
| 76 | 32 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 77 | 45 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 78 | 32 |  | Big Picture Science | Big Picture Science | |
| 79 | 44 | P | PsychCasts | Vicky & Tony | |
| 80 | 41 |  | This Week in Microbiology | Vincent Racaniello | |
| 81 | — | W | White Coat, Black Art | CBC | |
| 82 | — | સ | સ્કોલરલી સાઉન્ડ્સ | Milav Dabgar | |
| 83 | 41 | R | Radiology Advances Podcast | RSNA | The Radiological Society of North America | |
| 84 | 44 |  | Mind & Life | Mind & Life Institute | |
| 85 | 55 |  | Science Friday | Science Friday and WNYC Studios | |
| 86 | 39 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 87 | — | E | Easy Physics | Easy Physics | |
| 88 | 31 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 89 | 41 | C | Clinical neurology with KD | Krishnadas N C | |
| 90 | — | M | Modern Physics: Quantum Mechanics (Winter 2012) | Leonard Susskind | |
| 91 | 42 | E | Emergency Medicine Clinics (Elsevier) | Emergency Medicine Clinics | |
| 92 | — | M | Mr.GK Podcast | Mr.GK Podcast | |
| 93 | 42 | B | Backstory: How Research Papers in Economics Get Made | UC San Diego | |
| 94 | 42 | M | MedLink Neurology Podcast | MedLink Neurology | |
| 95 | 42 | D | Dementia Dialogues | Practical Neurology | |
| 96 | — | S | Scholarly Sounds | Milav Dabgar | |
| 97 | 43 | D | Daily Green - La nature en ville | Daily Green | |
| 98 | 43 | I | Innovation and the Future of Pharmacovigilance | Indy Ahluwalia | |
| 99 | 63 |  | The Life Scientific | BBC Radio 4 | |
