| 1 |  | Radiolab | WNYC Studios | Sciences | 670 | Simplecast | 63 |
| 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | Sciences | 727 | Libsyn | 43 |
| 3 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | Sciences | 492 | Buzzsprout | 42 |
| 4 |  | The Michael Shermer Show | Michael Shermer | Sciences | 640 | Libsyn | 58 |
| 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | Sciences | 844 | Omny Studio | 48 |
| 6 |  | In Defense of Plants Podcast | In Defense of Plants | Sciences | 598 | ART19 | 42 |
| 7 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | Sciences | 629 | Megaphone | 58 |
| 8 |  | Outside/In | NHPR | Sciences | 408 | Megaphone | 48 |
| 9 |  | The Common Descent Podcast | Common Descent | Sciences | 384 | Podbean | 41 |
| 10 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | Sciences | 625 | Spreaker | 69 |
| 11 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | Sciences | 500 | Audioboom | 48 |
| 12 |  | Ask a Spaceman! | Paul M. Sutter | Sciences | 285 | Libsyn | 48 |
| 13 |  | BirdNote Daily | BirdNote | Sciences | 1095 | Simplecast | 69 |
| 14 |  | Science unscripted | DW | Sciences | 100 | Unknown | 43 |
| 15 |  | Robinson's Podcast | Robinson Erhardt | Sciences | 292 | Spotify for Podcasters | 52 |
| 16 |  | The Science of Everything Podcast | James Fodor | Sciences | 172 | Podbean | 31 |
| 17 |  | The Numberphile Podcast | Brady Haran | Science & Medicine | 63 | Libsyn | 48 |
| 18 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | Sciences | 619 | Spreaker | 43 |
| 19 |  | BrainStuff | iHeartPodcasts | Sciences | 2001 | Omny Studio | 49 |
| 20 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | Sciences | 582 | ART19 | 62 |
| 21 |  | UFO Chronicles Podcast | Nik Hunter | Sciences | 505 | Spreaker | 54 |
| 22 |  | Origin Stories | The Leakey Foundation | Sciences | 93 | Libsyn | 68 |
| 23 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | Sciences | 500 | Audioboom | 53 |
| 24 |  | Eons: Surviving Deep Time | PBS | Sciences | 25 | PRX | 63 |
| 25 |  | Strange Animals Podcast | Katherine Shaw | Sciences | 300 | Blubrry | 48 |
| 26 |  | Terrible Lizards | Iszi Lawrence and David Hone | Sciences | 138 | Libsyn | 78 |
| 27 |  | What The Duck?! | ABC Australia | Sciences | 226 | ABC Australia | 38 |
| 28 |  | The Science Show | ABC Australia | Sciences | 250 | ABC Australia | 38 |
| 29 |  | Connected | Parks Canada | Sciences | 6 | Megaphone | 69 |
| 30 |  | Most Terrifying Places in America | Travel Channel | Sciences | 67 | Acast | 53 |
| 31 |  | Manifold | Steve Hsu | Sciences | 171 | Transistor | 58 |
| 33 |  | The Extensionists | Burr Forest Group | Sciences | 42 | Captivate | 83 |
| 34 |  | Branch Out | Botanic Gardens of Sydney | Sciences | 59 | Megaphone | 68 |
| 35 |  | The Reality Check | The Reality Check | Sciences | 350 | Libsyn | 59 |
| 36 |  | Superduperstitious | Wyatt Shell and Jake Withee | Sciences | 194 | Acast | 69 |
| 37 |  | Total Dino | Total Dino | Sciences | 7 | Spotify for Podcasters | 28 |
| 38 |  | Spit and Twitches: The Animal Cognition Podcast | Dr. Dave Brodbeck (dave.brodbeck@algomau.ca) | Science & Medicine | 25 | Feedburner | 48 |
| 39 |  | MonsterTalk | Blake Smith | Sciences | 511 | Spreaker | 69 |
| 40 |  | Paranormal Portal | Paranormal Portal - Ufo's Paranormal Ghosts | Sciences | 491 | Spreaker | 69 |
| 41 |  | The BIG Think | mackenzie peterson | Sciences | 1 | Spotify for Podcasters | 33 |
| 42 |  | Paleo Nerds | paleonerds | Sciences | 101 | Podbean | 42 |
| 43 |  | The Immunology Podcast | The Immunology Podcast | Sciences | 175 | Blubrry | 48 |
| 44 |  | C'est quoi le raptor? | Laurent Boutin & Julien Paré-Sorel | Sciences | 21 | Unknown | 43 |
| 45 |  | Reclamation Radio | Elise Neumann | Sciences | 8 | Podbean | 42 |
| 46 |  | 原来是这样 Dscience | 原来是这样 Dscience | other | 640 | lizhi.fm | 32 |
| 47 |  | Sustainable Futures: Designing Green Communities and Buildings | Green Roofs for Healthy Cities | Sciences | 30 | Squarespace | 48 |
| 48 |  | Learn Traditional Chinese Medicine, Functional Medicine and any kinds of Alternative Medicine | Shiho Cierra Fujimaru | Sciences | 419 | Spotify for Podcasters | 38 |
| 49 |  | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | Sciences | 18 | Blubrry | 53 |
| 50 |  | Sustainable World Radio- Ecology and Permaculture Podcast | Jill Cloutier | Sciences | 169 | Libsyn | 27 |
| 51 |  | History of Hydrology Interviews | History of Hydrology | Sciences | 20 | Spotify for Podcasters | 42 |
| 52 |  | Infectious Disease Puscast | Vincent Racaniello | Sciences | 114 | Libsyn | 52 |
| 53 |  | HOLOSKY PODCAST | Holosky Podcast | Sciences | 573 | RedCircle | 53 |
| 54 |  | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | Sciences | 51 | Libsyn | 52 |
| 55 |  | Cannabis Cultivation and Science Podcast | Tad Hussey | Sciences | 167 | Simplecast | 47 |
| 56 |  | Brain Inspired | Paul Middlebrooks | Sciences | 160 | Unknown | 64 |
| 57 |  | Weather Geeks | Weather Group Television | Sciences | 441 | ART19 | 68 |
| 58 |  | Shark Week: The Podcast | Discovery | Sciences | 70 | Acast | 73 |
| 59 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | Sciences | 592 | Libsyn | 48 |
| 60 |  | History of the Earth | Richard I. Gibson | Science & Medicine | 14 | Feedburner | 59 |
| 61 |  | Une Science Hors Labo | Marie Zoé Lapierre | Sciences | 18 | RSS.com | 58 |
| 62 |  | Dinosaurs Will Always Be Awesome | Jimmy Waldron | Sciences | 19 | Spotify for Podcasters | 42 |
| 63 |  | 科学星球 | BOX孙彬 | Sciences | 96 | Ximalaya | 43 |
| 64 |  | Synapsen – ein Wissenschaftspodcast | NDR Info | Sciences | 174 | NDR Info | 27 |
| 65 |  | The Science Revolution with Thom Hartmann | Thom Hartmann | Sciences | 71 | ART19 | 68 |
| 66 |  | Great Moments In Science | ABC listen | Sciences | 326 | ABC Australia | 43 |
| 67 |  | The Humble Hoof | Alicia Harlov | Sciences | 164 | Captivate | 32 |
| 68 |  | Crime Pays But Botany Doesn't | Tony Santore | Sciences | 294 | Spreaker | 43 |
| 69 |  | Cryptid Creatures | Brian Brock/Todd Stevens | Sciences | 303 | Spotify for Podcasters | 33 |
| 70 |  | This Week in Evolution | Vincent Racaniello | Sciences | 100 | Libsyn | 53 |
| 71 |  | Good Fire Podcast | Indigenous Leadership Initiative | Sciences | 33 | Squarespace | 52 |
| 72 |  | Off-Nominal | Jake Robins, Anthony Colangelo | Sciences | 261 | Simplecast | 63 |
| 73 |  | The Vet Tech Cafe's Podcast | Vet Tech Cafe | Sciences | 100 | Podbean | 37 |
| 74 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | Sciences | 639 | Omny Studio | 53 |
| 75 |  | Hawai‘i Volcanoes National Park | National Park Service | Science & Medicine | 6 | Unknown | N/A |
| 76 |  | Your Complex Brain | Krembil Brain Institute | Sciences | 53 | Buzzsprout | 69 |
| 77 |  | Project Botany | David Brooksby | Sciences | 11 | Spotify for Podcasters | 53 |
| 78 |  | Botany One | Botany One weblog | Sciences naturelles | 270 | N/A | N/A |
| 79 |  | In Research Of | William Blake Smith | Sciences | 121 | Libsyn | 68 |
| 80 |  | Sekcja teorii spiskowych. Podcast Crazy Nauka | Polskie Radio S.A. | Sciences | 20 | Unknown | 32 |
| 81 |  | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | Sciences | 2447 | Libsyn | 42 |
| 82 |  | Patient Zero | NHPR | Sciences | 13 | Megaphone | 48 |
| 83 |  | Cheap Astronomy Podcasts | Steve Nerlich | Science & Medicine | 424 | Unknown | 38 |
| 84 |  | SunCast | Nico Johnson | Sciences | 975 | Captivate | 89 |
| 85 |  | YourForest | Matthew Kristoff | Sciences | 168 | Squarespace | 49 |
| 86 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | Sciences | 127 | Spotify for Podcasters | 32 |
| 87 |  | Night Science | Itai Yanai & Martin Lercher | Sciences | 89 | Buzzsprout | 58 |
| 88 |  | AnthroBiology Podcast | Gaby Lapera | Sciences | 74 | Libsyn | 48 |
| 89 |  | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | Sciences | 373 | Libsyn | 38 |
| 90 |  | Tom Nelson | Thomas Nelson | Sciences | 430 | Spotify for Podcasters | 38 |
| 91 |  | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | Sciences | 58 | Transistor | 58 |
| 92 |  | The Science Show - Separate stories podcast | ABC | Sciences | 1265 | ABC Australia | 27 |
| 93 |  | The Stem Cell Podcast | The Stem Cell Podcast | Sciences | 360 | Blubrry | 38 |
| 94 |  | Eye On The Night Sky | Vermont Public Radio | Science & Medicine | 21 | PRX | 49 |
| 95 |  | New Books in Environmental Studies | Marshall Poe | Sciences | 1291 | Megaphone | 53 |
| 96 |  | Faith and Science | 3ABN Australia Radio | Sciences | 208 | Castos | 63 |
| 97 |  | Whale Tales Podcast | Whale Tales | Sciences | 106 | Blubrry | 32 |
| 98 |  | Fresh Thinking by Snowden Optiro | Snowden Optiro | Sciences | 173 | Libsyn | 48 |
| 99 |  | Juan on Juan | Juan on Juan Media, LLC. | Sciences | 234 | Spreaker | 70 |
| 100 |  | Don't Panic Geocast | John Leeman and Shannon Dulin | Sciences | 434 | Fireside | 59 |