| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Dragões de Garagem | Luciano Queiroz & Lucas Marques | |
| 3 | 115 |  | Circulation: Arrhythmia and Electrophysiology On the Beat | Paul J. Wang, MD | |
| 4 | 9 |  | Alô, Ciência? | Alô, Ciência? | |
| 5 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 6 | 57 |  | Fresh Thinking by Snowden Optiro | Snowden Optiro | |
| 7 | 80 |  | The Naked Mole Rat | libo/libo | |
| 8 | 127 |  | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 9 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 10 | 3 |  | Robinson's Podcast | Robinson Erhardt | |
| 11 | — |  | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | |
| 12 | — |  | Energised | Intelligence Squared | |
| 13 | 9 |  | Oxigênio Podcast | Oxigênio Podcast | |
| 14 | 9 |  | NASA ScienceCasts | NASA Science | |
| 15 | 55 |  | The Immunology Podcast | The Immunology Podcast | |
| 16 | 8 |  | SolloCast - O Podcast do SolloAgro | SolloAgro | |
| 17 | 1 |  | Áreas Contaminadas | Marcos Tanaka Riyis | |
| 18 | 12 |  | The Michael Shermer Show | Michael Shermer | |
| 19 | 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 20 | 32 |  | eanCast: Weekly Neurology | ean.org | |
| 21 | 37 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 22 | 13 |  | Ambiente é o Meio - USP | Jornal da USP | |
| 23 | 6 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 24 | 33 |  | Fundecitrus Podcast | Fundecitrus | |
| 25 | 14 |  | Astrologia, Mapa Astral, Signos e Horóscopo com Saimagos | J M Saimagos | |
| 26 | 19 |  | CBN Meio Ambiente e Sustentabilidade - Marco Bravo | Rádio CBN Vitória | |
| 27 | 13 |  | A Evolução Das Plantas - Das Algas Às Angiospermas | ariele pardo | |
| 28 | 4 |  | Cienciaes.com | cienciaes.com | |
| 29 | 4 |  | Café com Neuropsicologia | Café Com Neuropsicologia | |
| 30 | — |  | Science with a Twist | Thermo Fisher | |
| 31 | 38 |  | New Books in Science | New Books Network | |
| 32 | 17 |  | Manifold | Steve Hsu | |
| 33 | 21 |  | Outside/In | NHPR | |
| 34 | — |  | The Moos Room™ | University of Minnesota Extension | |
| 35 | 17 |  | Biologia Marinha Bióicos | Instituto Bióicos | |
| 36 | 17 |  | Brainforest Café | McKenna Academy of Natural Philosophy | |
| 37 | 17 |  | Agrotempo | Jornal O TEMPO | |
| 38 | — |  | Planet NOAA | National Oceanic and Atmospheric Administration | |
| 39 | 20 |  | The Numberphile Podcast | Brady Haran | |
| 40 | 14 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 41 | 11 |  | 1 Minuto de Astronomia | Science Office | |
| 42 | 11 |  | Falando de Saneamento | Instituto Trata Brasil | |
| 43 | 21 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 44 | 21 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 45 | 21 |  | Felipe Marx | Breathwork | Felipe Marx | |
| 46 | 19 |  | Ask a Spaceman! | Paul M. Sutter | |
| 47 | 19 |  | New Books in Environmental Studies | Marshall Poe | |
| 48 | 19 |  | Paranormal Portal | Brent Thomas | |
| 49 | 15 |  | AmbienteCast | Bernardo Caires | |
| 50 | 9 |  | IASP Pain Research Forum Podcasts | IASP Pain Research Forum | |
| 51 | 9 |  | The Science of Everything Podcast | James Fodor | |
| 52 | 19 |  | MetaCast | Meta-Analysis Academy | |
| 53 | 18 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 54 | 18 |  | そんない理科の時間 | そんないプロジェクト | |
| 55 | 7 |  | Farmacêutico no Controle De Qualidade | ADRIANO BRAGA | |
| 56 | 19 |  | 佐々木亮の宇宙ばなし | 佐々木亮 | |
| 57 | 19 |  | Oxford Sparks Big Questions | Oxford Sparks | |
| 58 | 7 |  | MIT News | Massachusetts Institute of Technology (MIT) | |
| 59 | 20 |  | Learn Traditional Chinese Medicine, Functional Medicine and any kinds of Alternative Medicine | Shiho Cierra Fujimaru | |
| 60 | 20 |  | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 61 | 18 |  | This Week in Evolution | Vincent Racaniello | |
| 62 | 18 |  | Ciclo Rural - O podcast da pecuária | Fernanda Olívia Borges Oliveira | |
| 63 | 17 |  | Dairy Digressions | ADSA | |
| 64 | 17 |  | O Básico da Economia | O Básico da Economia | |
| 65 | 10 |  | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 66 | 17 |  | Falando de Saneamento | Instituto Trata Brasil | |
| 67 | 17 |  | Minuto H2 | H2 Agrosciences | |
| 68 | 15 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 69 | 5 |  | Bayer Agro Podd | Bayer AB | |
| 70 | 16 |  | The Common Descent Podcast | Common Descent | |
| 71 | 5 |  | 2049哥爱思考 | Gljc | |
| 72 | 16 |  | Cavalo Mangalarga Marchador | Felipe Jesus | |
| 73 | 13 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 74 | 13 |  | Pandemia | Kai Kuperschmidt, Laura Salm-Reifferscheidt | |
| 75 | 13 |  | DiscoScienza di Andrea Bellati | Andrea Bellati & VOIS | |
| 76 | 8 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 77 | 12 |  | Falando em Floresta - o podcast do IPEF | IPEF - Instituto de Pesquisas e Estudos Florestais | |
| 78 | 11 |  | Brain Inspired | Paul Middlebrooks | |
| 79 | 6 |  | GermiNation | Cindy Hicks/ISU Seed Science Center | |
| 80 | 9 |  | Alfonso Lucifredi - Storie di natura | Alfonso Lucifredi | |
| 81 | 9 |  | The Reality Check | The Reality Check | |
| 82 | 4 |  | Northern Lights | Inception Point Ai | |
| 83 | 4 |  | Deep Science | Deutschlandfunk | |
| 84 | 10 |  | BrainStuff | iHeartPodcasts | |
| 85 | 10 |  | Regina Matos | Regina Matos | |
| 86 | 10 |  | Radio Jovem Pan.... demia- GRUPO 4 | Buuh Games YT | |
| 87 | 10 |  | Patient Zero | NHPR | |
| 88 | 8 |  | The Paranormal Experience | The Paranormal Experience Team | |
| 89 | 8 |  | MetaCast PT | Meta-Analysis Academy | |
| 90 | 8 |  | Ö1 Wissen aktuell | ORF Ö1 | |
| 91 | 3 |  | Origin Stories | The Leakey Foundation | |
| 92 | 9 |  | Palaeocast | Palaeocast | |
| 93 | 9 |  | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 94 | 4 |  | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | |
| 95 | 10 |  | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 96 | 10 |  | Field, Lab, Earth | ASA, CSSA, SSSA | |
| 97 | 6 |  | A Química das Coisas | Science Office | |
| 98 | 5 |  | Dr. Bruce Damer's Levity Zone | Dr. Bruce Damer | |
| 99 | 10 |  | Ciência e Conservação - DesAbraçando Árvores | Fernando Lima e Miriam Perilli | |
| 100 | 5 |  | Crime Pays But Botany Doesn't | Tony Santore | |
