| 1 | 22 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 3 | 48 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 4 | 3 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 5 | 3 |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 6 | 2 | L | La Ciencia Pop | Gabriel León | |
| 7 | 3 |  | Arpa Talks | Arpa Talks | |
| 8 | 3 | T | The Cancer Researcher Podcast | The European Association for Cancer Research (EACR) | |
| 9 | 2 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 10 | 10 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 11 | 2 |  | PlantCast | ICL América do Sul | |
| 12 | 2 | F | Física de la Historia. Ciencia e historia variada. | Física de la Historia. | |
| 13 | 2 |  | Mongabay Newscast | Mongabay.com | |
| 14 | 2 | M | Mongabay Explores | Mongabay.com | |
| 15 | 2 | A | Astronomia alla radio | maria letizia la noce | |
| 16 | — | C | Ci vuole una scienza | Il Post | |
| 17 | 11 |  | Ologies with Alie Ward | Alie Ward | |
| 18 | 1 | V | Volvámonos Verdes | VV Podcast | |
| 19 | 1 | F | Full PreFrontal: Exposing the Mysteries of Executive Function | Sucheta Kamath | |
| 20 | 8 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 21 | 7 |  | Materia Oscura | ABC | |
| 22 | 12 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 23 | 4 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 24 | 3 | S | Sobre ciencia y café | Leonardo G. Alanis Cantú | |
| 25 | 10 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 26 | 7 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 27 | 3 |  | Science Vs | Spotify Studios | |
| 28 | 3 | M | MicroTalks: Conversaciones con los expertos más allá de la microbiología | bioMérieux | |
| 29 | 3 |  | Couched | Dr. Almas (Ally) Merchant, Dr. Billie Pivnick & Dr. Romy Reading, Produced by Hangar Studios, NYC | |
| 30 | 3 | M | MAC Trabajo Social - UNCa | Trabajo Social Unca | |
| 31 | 146 | D | De cause à effets, le magazine de l'environnement | France Culture | |
| 32 | 10 |  | A hombros de gigantes | Radio 5 | |
| 33 | 26 |  | The Quanta Podcast | Quanta Magazine | |
| 34 | 4 |  | Mándarax: ciencia en tu vida diaria | Sonoro | Leos y Alita | |
| 35 | 6 |  | Espacio en blanco | Radio Nacional | |
| 36 | 53 |  | The Michael Shermer Show | Michael Shermer | |
| 37 | 4 | M | Mi Última Neurona | Jessica Chomik-Morales | |
| 38 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 39 | 39 |  | New Books in Psychoanalysis | Marshall Poe | |
| 40 | 135 |  | More or Less | BBC Radio 4 | |
| 41 | 81 | S | Seducción Y Persuasión De Style Seduction Life | Alister A. García | |
| 42 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 43 | — | E | Evolución Legal | Santamarina + Steta | |
| 44 | 8 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 45 | 59 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 46 | — | N | NPLs Podcast | NPL | |
| 47 | 5 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 48 | — |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 49 | 17 | C | Cienciaes.com | cienciaes.com | |
| 50 | 15 |  | Babbage from The Economist | The Economist | |
| 51 | 36 |  | Speaking of Psychology | American Psychological Association | |
| 52 | 21 |  | La Science, CQFD | France Culture | |
| 53 | 4 |  | Serendipias | SER Podcast | |
| 54 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 55 | 63 | L | Le billet sciences | franceinfo | |
| 56 | 135 | N | Naruhodo | B9, Naruhodo, Ken Fujioka, Altay de Souza | |
| 57 | 143 | C | CrowdScience | BBC World Service | |
| 58 | 124 | F | Función de Demandas | EstadoDiario | FK Economics | |
| 59 | — | A | Agents Of Tech | WebsEdge | |
| 60 | 23 | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 61 | 18 |  | Lost Women of Science | Lost Women of Science | |
| 62 | 23 | 3 | 36.9° ‐ RTS | RTS - Radio Télévision Suisse | |
| 63 | 23 |  | Science Friday | Science Friday and WNYC Studios | |
| 64 | — | B | Bildningspodden | Anekdot | |
| 65 | 6 |  | TheThinkingAtheist | The Thinking Atheist | |
| 66 | 24 |  | Das Wissen | SWR | SWR | |
| 67 | 6 |  | Aparici en Órbita | OndaCero | |
| 68 | 24 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 69 | 24 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 70 | 24 | M | Mundo Ciencia | RFI Español | |
| 71 | — | A | A-kursen | Emma Frans och Clara Wallin | |
| 72 | 25 |  | Big Brains | University of Chicago Podcast Network | |
| 73 | 25 |  | Anete Guimarães | Anete Guimarães | |
| 74 | 40 |  | Wissen Weekly | Spotify Studios | |
| 75 | 5 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 76 | — | N | NO NI NÁ | Entelekia Filosófik | |
| 77 | — | M | Masaje Cerebral | Claudio H. Martínez y Andrés Cota H. | |
| 78 | — | A | Astronomía Al Aire | Hector Rago | |
| 79 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 80 | 11 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 81 | 28 | R | Radio Semilla | Radio Semilla | |
| 82 | 28 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 83 | 28 | L | La Ciencia de A Vivir | Cadena SER | |
| 84 | 28 | B | Bioquímica Para Todos | luis sanchez | |
| 85 | 13 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 86 | 29 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 87 | 12 | A | A Wild Mind | Andrea Bariselli | |
| 88 | 30 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 89 | 29 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 90 | 28 | Á | Ático Primera con Laia Castel | laiascastel | |
| 91 | 28 |  | This Week in Neuroscience | Vincent Racaniello | |
| 92 | 28 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 93 | 28 | J | JNC CardioConnect | American Society of Nuclear Cardiology (ASNC) | |
| 94 | 28 | D | DesArmando el universo | Armando | |
| 95 | 28 |  | PeerView Internal Medicine CME/CNE/CPE Audio Podcast | PVI, PeerView Institute for Medical Education | |
| 96 | — | S | Stream Full Audiobook in Science & Technology, Psychology & The Mind | hotaudiobook.com | |
| 97 | 29 | E | EL UNIVERSO Paula Hugh | Paula Hugh | |
| 98 | 8 | A | Astronomía y algo más | Ricardo Garcia | |
| 99 | 6 |  | Podcast de la División de Anestesiología UC | Maximiliano Zamora H. | |
| 100 | 27 |  | Paranormal Portal | Brent Thomas | |
