| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | 1 | I | Ideas of India | Mercatus Center at George Mason University | |
| 5 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 3 |  | Instant Genius | Our Media | |
| 7 | 3 |  | You Are Not So Smart | You Are Not So Smart | |
| 10 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 11 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 15 | 19 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 16 | 6 | S | Sher Khan | Aaj Tak Radio | |
| 17 | 138 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 18 | 64 |  | Science Quickly | Scientific American | |
| 21 | 2 |  | Discovery | BBC World Service | |
| 22 | 43 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 23 | 2 |  | The world, the universe and us | New Scientist | |
| 24 | 3 |  | Curious Cases | BBC Radio 4 | |
| 25 | 17 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 27 | 31 |  | Invisibilia | NPR | |
| 28 | 15 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 30 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 31 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 32 | 16 |  | The Quanta Podcast | Quanta Magazine | |
| 33 | 4 |  | Short Wave | NPR | |
| 34 | 60 |  | BBC Inside Science | BBC Radio 4 | |
| 35 | 19 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 38 | 30 |  | Medical Basics Podcast - Tips, Tricks, and Advice for Medical and Nursing Students | Medical Basics | |
| 39 | 19 |  | The Astrophysics Podcast | Paul Duffell | |
| 43 | 80 |  | The Gene Gap: Common threads | The Guardian | |
| 45 | 95 |  | All In The Mind | ABC | |
| 48 | 17 | N | New Books in Sociology | New Books Network | |
| 49 | — | T | The Think Wildlife Podcast | The Think Wildlife Podcast | |
| 50 | 115 |  | Science unscripted | DW | |
| 51 | 23 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 53 | 23 | E | EMRA*Cast | Emergency Medicine Residents' Association | |
| 54 | 21 |  | The Psychology Podcast | iHeartPodcasts | |
| 56 | — |  | Accidental Gods | Accidental Gods | |
| 57 | 18 |  | The Climate Question | BBC World Service | |
| 58 | 13 | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 59 | 13 |  | Quarks Daily | Quarks | |
| 60 | 98 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 62 | 131 |  | SciShow Tangents | Complexly | |
| 63 | — |  | Second Nature: A New Look at India’s Climate Future | India Climate Collaborative | |
| 64 | — | T | The Placebo Affecters Podcast | The Placebo Affecters | |
| 65 | — | E | Environmental Insights: Conversations on policy and practice from the Harvard Environmental Economics Program | Harvard Environmental Economics Program | |
| 66 | — | W | World Bank Group │ What Have We Learned? The Evaluation Podcast | World Bank Group / Independent Evaluation Group | |
| 69 | 34 | Ž | Žárovky | Český rozhlas | |
| 70 | — | T | The ABCs of SBC | UNICEF SBC | |
| 71 | 44 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 72 | — |  | Board Rounds Prep for USMLE and COMLEX | Ryan Gray | |
| 73 | — | T | The Psychology of Criminal and Antisocial Behaviour | WP | |
| 75 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 77 | — |  | Eons: Surviving Deep Time | PBS | |
| 79 | — | I | Influence Psychology and Persuasion - Mike Sweet - 10 Minute Coach - Develop and Discover | Mike Sweet | |
| 81 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 83 | — | E | Equine Innovators | TheHorse | |
| 84 | — | M | Migration – Darwin College Lecture Series 2018 | Cambridge University | |
| 87 | — | Q | Qualitative Research Methods for Everyone Podcast | Policy Press | |
| 89 | — | N | New Books in Public Policy | New Books Network | |
| 90 | — | P | People of Pathology Podcast | peopleofpathology | |
| 91 | — | A | Arthroscopy Podcast | AANA | |
| 92 | — | M | McDonald Institute for Archaeological Research | Cambridge University | |
| 98 | — | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 101 | — | B | Brain Stories | University College London (UCL) | |
| 102 | — | S | Supersymmetry, Grand Unification, and String Theory | Stanford Continuing Studies Program | |
| 103 | — | S | Stanford Center for Law and the Biosciences Podcast Series | Stanford Law School, Center for Law and the Biosciences | |
| 106 | — | I | International Law | Yale Law School | |
| 107 | — | T | The NREL Podcast | National Laboratory of the Rockies | |
| 108 | — | C | Climate Break | Berkeley Law | |
| 109 | — | S | Science in an Age of Delusions: Some Examples from Scientific Fraud, Quackery, Religion and University Politics - Audio | UCL | |
| 111 | — | M | Migration, Climate Change and Indigenous Rights - Saving the Canadian Arctic: An Inuit Agenda - Making Things Better - Video | UCL | |
| 113 | — | M | Mapping change for sustainable communities - Audio | UCL | |
| 115 | — | D | Drilling into a volcano - Audio | UCL | |
| 117 | — | S | Space in the UK - Video | UCL | |
| 118 | — | T | The Lives of Stars and People: Astrology to Astrophysics - Audio | UCL | |
| 120 | — | T | The Uses of Nanotechnology - Video | UCL | |
| 121 | — | C | Creation and Evolution in the Universe - from the Vast Simplicity of Pure Energy to the Tiny Complexity of the Human Brain - | UCL | |
| 122 | — | C | Climate Change: The biggest global threat of the 21st century? - audio | UCL | |
| 124 | — | A | Angels & Demons: The Real Physics - Video | UCL | |
| 125 | — | H | How the Zebra Got Its stripes – Getting to the heart of Pattern Formation - Video | UCL | |
| 126 | — | H | How the Zebra Got Its stripes – Getting to the heart of Pattern Formation - Audio | UCL | |
| 127 | — | W | WORK! Exploring the future of work, labor and employment. | Cornell ILR School | |
| 128 | — | W | When We Talk About Animals | Law, Environment & Animals Program at Yale Law School | |
| 129 | 92 |  | American Innovations | Audible | |
| 131 | 70 |  | Science Friday | Science Friday and WNYC Studios | |
| 133 | 78 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 137 | 96 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 139 | 73 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 140 | 4 |  | Science In Action | BBC World Service | |
| 141 | 101 |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 142 | 90 |  | Drilled | Pushkin Industries | |
| 144 | 69 |  | Health Wanted | WABE | |
| 145 | 92 |  | This Week in Neuroscience | Vincent Racaniello | |
| 148 | 58 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 150 | 96 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 153 | 97 | T | The Universe Speaks in Numbers | Faber and Faber | |
| 154 | 97 |  | Bedtime Astronomy | Synthetic Universe | |
| 157 | 95 | B | Blood Podcast | American Society of Hematology | |
| 159 | 28 |  | More or Less | BBC Radio 4 | |
| 160 | 93 | A | Annals of Emergency Medicine | Ryan Radecki, MD & Rory Spiegel, MD | |
| 161 | 92 |  | ACEP Frontline - Emergency Medicine | Ryan A. Stanton MD, FACEP | |