| 3 | — |  | Instant Genius | Our Media | |
| 4 | 34 |  | You Are Not So Smart | You Are Not So Smart | |
| 5 | 1 |  | Radiolab | WNYC Studios | |
| 9 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 11 | 15 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 12 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 13 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 15 | 12 | I | Ideas of India | Mercatus Center at George Mason University | |
| 16 | 4 |  | Speaking of Psychology | American Psychological Association | |
| 17 | 16 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 18 | 29 |  | Science Friday | Science Friday and WNYC Studios | |
| 19 | 6 | S | Sher Khan | Aaj Tak Radio | |
| 20 | 20 |  | More or Less | BBC Radio 4 | |
| 21 | 11 |  | Making Sense with Sam Harris | Sam Harris | |
| 22 | — |  | Ologies with Alie Ward | Alie Ward | |
| 26 | 26 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 29 | 15 |  | Short Wave | NPR | |
| 30 | 2 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 33 | 14 |  | Curious Cases | BBC Radio 4 | |
| 34 | 18 |  | Discovery | BBC World Service | |
| 35 | 20 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 36 | 1 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 39 | 33 | T | The Language Neuroscience Podcast | Stephen M. Wilson | |
| 40 | — |  | BrainStuff | iHeartPodcasts | |
| 41 | 1 |  | Science Quickly | Scientific American | |
| 42 | 15 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 44 | 49 |  | Origin Stories | The Leakey Foundation | |
| 45 | 21 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 46 | 97 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 47 | 87 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 49 | 51 |  | The Quanta Podcast | Quanta Magazine | |
| 51 | — | A | All Things Unexplained | Dr. Tim Mounce | |
| 52 | 74 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 53 | 147 |  | Unexpected Elements | BBC World Service | |
| 54 | 93 |  | MinuteEarth | Minute Earth | |
| 55 | 25 |  | BBC Inside Science | BBC Radio 4 | |
| 60 | 15 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 61 | — |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 63 | — |  | Bionic Planet: Reversing Climate Change by Restoring Nature | Steve Zwick | |
| 64 | 35 |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 65 | — |  | BirdNote Daily | BirdNote | |
| 66 | — | E | Easy Physics | Easy Physics | |
| 68 | — | G | GoGreenGuru: Sustainability in Action | Ananya Guru Sangameshwar | |
| 70 | — |  | The Michael Shermer Show | Michael Shermer | |
| 72 | — | G | geopolitical ecology | youssefbouchi | |
| 73 | — |  | Dil ki Baat | 💗Radha 💗Sings💗 | |
| 74 | — |  | EarthWise | Vivaan Mathur | |
| 75 | — |  | New Books in Psychoanalysis | Marshall Poe | |
| 76 | — |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 77 | — |  | Science Will Win | Pfizer | |
| 78 | — | K | KI verstehen | Deutschlandfunk | |
| 79 | — | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 82 | — | F | Focal Point: the IMV imaging podcast | IMV imaging | |
| 83 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 84 | — | V | Veterinary Surgery Podcast | Jolle Kirpensteijn | |
| 85 | — |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 86 | — |  | The Feed Science Podcast Show | Wisenetix | |
| 89 | — |  | Water We Doing? | David Evans | |
| 90 | — | T | THE PSYCHOLOGY WORLD PODCAST | Connor Whiteley | |
| 92 | — | Y | You're the Expert | Chris Duffy | |
| 93 | — | B | Beyond the Numbers | Eli Lilly and Company | |
| 95 | 4 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 98 | 52 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 99 | 60 | D | Desi Academia Podcast | Desi Academia Podcast | |
| 100 | 52 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 101 | 58 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 102 | 10 |  | The world, the universe and us | New Scientist | |
| 103 | 53 |  | Drilled | Pushkin Industries | |
| 105 | 47 | S | Self Improvement Beast | manjha beast | |
| 107 | 48 |  | Sternengeschichten | Florian Freistetter | |
| 108 | 40 | 6 | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | |
| 109 | 27 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 113 | 59 |  | The Jim Rutt Show | The Jim Rutt Show | |
| 114 | 17 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 115 | 52 | M | Modern Physics: General Theory of Relativity (Fall 2012) | Stanford Continuing Studies | |
| 116 | 55 | E | Early Morning Coffee at CERN | CERN | |
| 118 | 54 | W | What Is Life? | Carl Zimmer | |
| 119 | 50 | I | intuitions behind Data Science | Ashay Javadekar | |
| 120 | 53 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 122 | 56 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 123 | 52 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 124 | 51 |  | Win-Win with Liv Boeree | Liv Boeree | |
| 126 | 52 | T | Talking Euretina | Whipsmart Media | |
| 127 | 52 | A | ADAS Garage | Burke Porter | |
| 128 | 52 | T | The Vet Nurse Skills Podcast | vetnurseskills | |
| 129 | 52 | T | Tangible Computing | Gareth & Andrew | |
| 130 | 44 | Q | Quantum Foundations Podcast | Maria Violaris | |
| 132 | 67 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 133 | 52 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 134 | 51 |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 135 | 33 |  | Science In Action | BBC World Service | |
| 136 | 18 |  | Choses à Savoir CERVEAU | Choses à Savoir | |
| 137 | 34 |  | Science Magazine Podcast | Science Magazine | |
| 138 | 51 |  | Species | mackenmurphy.org | |
| 140 | 61 |  | Big Brains | University of Chicago Podcast Network | |
| 141 | — |  | Quarks Daily | Quarks | |
| 142 | 26 |  | The Astrophysics Podcast | Paul Duffell | |
| 143 | 26 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 144 | 60 |  | Believing the Bizarre: Paranormal Conspiracies & Myths | Tyler and Charlie | |
| 145 | 51 |  | Physics World Weekly Podcast | Physics World | |
