| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — | L | La Ciencia Pop | Gabriel León | |
| 3 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 4 | — | P | Psy-Fi | Erick Barrón | |
| 5 | — | C | Cienciaes.com | cienciaes.com | |
| 6 | — | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 7 | — | B | BIOLOGIA CELULAR Y GENETICA | omar Aguilera | |
| 8 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 9 | — | I | Informe Miguel del Pino | esRadio | |
| 10 | — | L | Learn Traditional Chinese Medicine, Functional Medicine and any kinds of Alternative Medicine | Shiho Cierra Fujimaru | |
| 11 | — | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 12 | — | M | Mi Última Neurona | Jessica Chomik-Morales | |
| 13 | — |  | The Michael Shermer Show | Michael Shermer | |
| 14 | — | U | Ulises y la Ciencia - Cienciaes.com | cienciaes.com | |
| 15 | — |  | Ask MIT Climate | MIT Climate Project | |
| 16 | — | D | DesArmando el universo | Armando | |
| 17 | — | A | Astronomía y algo más | Ricardo Garcia | |
| 18 | — | 科 | 科博揪咪秀 | 國立自然科學博物館 | |
| 19 | — | Z | Zoo de fósiles - Cienciaes.com | cienciaes.com | |
| 20 | — | T | Trás los pasos de Santa Hildegarda de Bingen | JuanDiegoNetwork.com | |
| 21 | — | S | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 22 | — | I | Intertek's Assurance in Action Podcast Network | Intertek | |
| 23 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 24 | — |  | Science unscripted | DW | |
| 25 | — | P | Podcast de Ganadería Regenerativa | Daniel Suarez Castillo | |
| 26 | — | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 27 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 28 | — |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 29 | — | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 30 | — | E | El Método | Luis Quevedo / CUONDA | |
| 31 | — | U | Universo paralelo | Universo Paralelo | |
| 32 | — | F | Food Safety Matters | Food Safety Magazine | |
| 33 | — | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 34 | — | S | Spooky Science Sisters | Evergreen Podcasts | Killer Podcasts | |
| 35 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 36 | — |  | Eons: Surviving Deep Time | PBS | |
| 37 | — |  | Infectious Disease Puscast | Vincent Racaniello | |
| 38 | — | C | Cierta Ciencia - Cienciaes.com | Josefina Cano | |
| 39 | — |  | P.E.E.P. Podcast (People Experiencing Everyday Paranormal) | Nicolle Morock | |
| 40 | — | D | Dragões de Garagem | Luciano Queiroz & Lucas Marques | |
| 41 | — | L | Love in the Time of Chasmosaurs | David Orr | |
| 42 | — | C | Ciencia Nuestra de cada Día - Cienciaes.com | Ángel Rodríguez Lozano | |
| 43 | — | W | Welt der Physik | Podcast | Welt der Physik | |
| 44 | — |  | Origin Stories | The Leakey Foundation | |
| 45 | — |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 46 | — | М | Мослекторий | Москва 24 | |
| 47 | — |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 48 | — |  | Paranormal Portal | Brent Thomas | |
| 49 | — |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 50 | — |  | Brain Inspired | Paul Middlebrooks | |
| 51 | — |  | The Numberphile Podcast | Brady Haran | |
| 52 | — | C | Curiosidades de los animales marinos | María | |
| 53 | — | I | Il gorilla ce l'ha piccolo | storielibere.fm | |
| 54 | — | S | Sistema Urinário - Parte 2 (O Que É) | Fabricio Henrique | |
| 55 | — |  | The Science Show | ABC | |
| 56 | — |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 57 | — | A | A toi les étoiles | Franck Menant | |
| 58 | — | E | El Neutrino - Cienciaes.com | cienciaes.com | |
| 59 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 60 | — | H | Hablemos de perros | Xila´s | |
| 61 | — | P | PsicobiologIA Uned | José María Piña | |
| 62 | — | F | Fresh Thinking by Snowden Optiro | Snowden Optiro | |
| 63 | — | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 64 | — | C | CBN Meio Ambiente e Sustentabilidade - Marco Bravo | Rádio CBN Vitória | |
| 65 | — | M | Mentes Asombrosas, Mentes Misteriosas | Doris Hermosilla Ciencia | |
| 66 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 67 | — |  | MonsterTalk | Blake Smith | |
| 68 | — | E | Ecólogo en Acción | Ecólogo en Acción | |
| 69 | — |  | The Common Descent Podcast | Common Descent | |
| 70 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 71 | — | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 72 | — | M | Mushroom Revival Podcast | Alex Dorr | |
| 73 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 74 | — | C | Café com Neuropsicologia | Café Com Neuropsicologia | |
| 75 | — |  | Night Science | Itai Yanai & Martin Lercher | |
| 76 | — | E | Engage Free Audiobook in Romance, Fantasy | Full Audiobook | |
| 77 | — | O | Océanos de Ciencia - Cienciaes.com | cienciaes.com | |
| 78 | — |  | Outside/In | NHPR | |
| 79 | — |  | SunCast | Nico Johnson | |
| 80 | — | 3 | 365 Days of Astronomy - Weekly Edition | Fraser Cain & Dr. Pamela L. Gay | |
| 81 | — | W | Wissenswerte | rbb24 Inforadio | |
| 82 | — | D | Dairy Digressions | ADSA | |
| 83 | — |  | Most Terrifying Places in America | Travel Channel | |
| 84 | — | N | Nos Fuimos al Pasto | nicolas4p | |
| 85 | — |  | HOLOSKY PODCAST | Holosky Podcast | |
| 86 | — | L | Landscapes | Adam Calo | |
| 87 | — | B | Biotopia podcast | Ingeniørforeningen, IDA | |
| 88 | — | 과 | 과장창 : 모두에게 과학이 필요한 시간 | 팟빵 | |
| 89 | — |  | BrainStuff | iHeartPodcasts | |
| 90 | — | R | Research Insights, a Society of Actuaries Podcast | Research Insights | |
| 91 | — | N | Nanoscape: Exploring the Frontiers Ahead | International Institute for Nanotechnology at Northwestern University | |
| 92 | — | N | New Books in Science | New Books Network | |
| 93 | — | C | Climate Connections | Yale Center for Environmental Communication | |
| 94 | — | T | The Microbiome Podcast | The American Microbiome Institute | |
| 95 | — | C | Ciencia EXtrema - Cienciaes.com | cienciaes.com | |
| 96 | — | M | Modelos atomicos | biah cunha | |
| 97 | — |  | The Native Plant Podcast | Native Plant Podcast | |
| 98 | — | H | Hematopoiesis: An ASH Trainee Council Production | American Society of Hematology | |
| 99 | — | L | Las 3R 🌎🌴 | Lucila Capuñay Reato | |
| 100 | — | U | Unlock Full Audiobook in Romance, Fantasy | hotaudiobook.com | |
