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Estimated from 42 chart positions in 42 markets.
By chart position
- 🇺🇸US · Natural Sciences#6300K to 1M
- 🇨🇦CA · Natural Sciences#11300K to 1M
- 🇬🇧GB · Natural Sciences#17300K to 1M
- 🇦🇺AU · Natural Sciences#18300K to 1M
- 🇩🇪DE · Natural Sciences#48100K to 300K
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Est. listeners per new episode within ~30 days
594K to 1.9M🎙 Daily cadence·387 episodes·Last published 2d ago - Monthly Reach
Unique listeners across all episodes (30 days)
2.0M to 6.4M🇺🇸16%🇨🇦16%🇬🇧16%+39 more - Active Followers
Loyal subscribers who consistently listen
792K to 2.6M
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On the show
From 12 epsHosts
Recent guests
Recent episodes
A tinned fish renaissance
Jun 10, 2026
38m 36s
Never add sodium to your pasta water
Jun 3, 2026
31m 56s
A cow named Speckles
May 27, 2026
32m 44s
In defense of darkness
May 20, 2026
36m 25s
Life and death and psilocybin
May 13, 2026
33m 23s
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| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 6/10/26 | ![]() A tinned fish renaissance | We launched a Patreon! Become an Outside/Insider for just $5 per month, and you can get AD-FREE episodes of the podcast, plus access to behind-the-scenes blog posts and more. Sardines are in vogue. Literally. They are in Vogue magazine. They’re delicious (subjectively), good for you, and sustainable… right? Recently, a listener called into the show asking about just that. “I've always had this sense that they're a more environmentally friendly fish, perhaps because of being low on the food chain. But I'm realizing I really have no sense of what it looks like to actually fish for sardines,” Jeannie told us. The Outside/In team got together to look beyond the sunny illustrations on the fish tins. Is there bycatch? What about emissions? Are sardines overfished? If we care about the health of the ocean, can we keep eating sardines? This episode was originally published in 2025. Featuring Jeannie Bartlett, Malin Pinsky, and Zach Koehn. Rip logo photo: Canned seafood by Jack Kennard (CC BY-NC-ND 2.0). Produced by Justine Paradis. For full credits and transcript, visit outsideinradio.org. SUPPORT Outside/In is made possible with listener support. Click here to join our Patreon and get ad-free episodes of the podcast. Follow Outside/In on Instagram or join our private discussion group on Facebook. Learn more about your ad choices. Visit megaphone.fm/adchoices | 38m 36s | ||||||
| 6/3/26 | ![]() Never add sodium to your pasta water | Put salt (aka sodium chloride) in your pasta water and you’ll end up with delicious spaghetti. Put pure sodium in it instead… and it will explode. It’s the latest edition of “The Element of Surprise,” our occasional series about the hidden stories behind the periodic table’s most unassuming atoms, isotopes, and molecules. This time we’re talking all about sodium. It’s the periodic table’s saltiest element. It powers your body like a battery and you need it to survive. So why is too much of it bad for you? Plus, how did salt help the North win the Civil War? Featuring Raychelle Burks, Trisha Pasricha, Ashley Dumas. Produced by Felix Poon. For full credits and transcript, visit outsideinradio.org. SUPPORT Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram or join our private discussion group on Facebook. LINKS Watch a 1947 newsreel of the US Army disposing thousands of pounds of pure sodium into a lake in Washington State, causing massive explosions. See images of the Slanic Salt Mine in Romania and the Wieliczka Salt Mine in Poland, now major tourist sites. Check out Theodore Gray’s “Sodium Party” YouTube video series where he drops sodium chunks of various sizes into water to observe how they explode. Here’s the first video in the series.Want to learn more about the role of salt throughout human history? Read Mark Kurlansky’s Salt: A World History. Learn more about your ad choices. Visit megaphone.fm/adchoices | 31m 56s | ||||||
| 5/27/26 | ![]() A cow named Speckles | When 10-year-old Doug Crandell joined the 4-H program, he was supposed to learn about raising, feeding, and selling a cow. What he wound up learning was something else entirely. “I wanted to be a hog man, like my father,” he said. “But I knew pretty early on that you couldn’t have these animals forever.” From producer Shaina Shealy, this is the story of a boy and his cow, Speckles. Featuring Doug Crandell. Produced by Shaina Shealy. For full credits and transcript, visit outsideinradio.org. SUPPORT Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram or join our private discussion group on Facebook. Learn more about your ad choices. Visit megaphone.fm/adchoices | 32m 44s | ||||||
| 5/20/26 | ![]() In defense of darkness | Megan Eaves-Egenes grew up under the very starry skies of rural New Mexico. During those years, she developed a deep appreciation for astronomy. The fascination is, of course, not hers alone. But, a starry sky requires one pretty important ingredient: darkness. One study recently reported that since 2011, the night sky has gotten brighter at about 10% per year. All that light pollution has brought dire consequences to life on planet earth. Crickets can’t tell whether it’s day or night, bird migrations have gone haywire, and our own natural alarm clocks are constantly confused. In a world where switching on a lamp during evening hours is, as Megan writes, “almost as basic as breathing” is there hope for our night skies? Or have we illuminated our way to a point of no return? Featuring Megan Eaves-Egenes. SUPPORT To share your questions and feedback with Outside/In, call the show’s hotline and leave us a voicemail. The number is 1-844-GO-OTTER. No question is too serious or too silly. Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram and BlueSky, or join our private discussion group on Facebook. LINKS You can order a copy of Megan’s book Nightfaring: In Search of the Disappearing Darkness on her website. Want to plan travel around dark sky locations? Dark Sky International offers a variety of guides and tips on how to visit darky sky locations responsibly. There are many popular stargazing apps. Megan uses SkyView, but also recommends Stellarium or SkySafari. Learn more about satellite’s role in light pollution from our 2024 episode, “The new space race.” Made nearly 10 years ago, here is our episode about light pollution emitted from a New Hampshire greenhouse. CREDITS Produced by Marina Henke. For full credits and transcript, visit outsideinradio.org Learn more about your ad choices. Visit megaphone.fm/adchoices | 36m 25s | ||||||
| 5/13/26 | ![]() Life and death and psilocybin | President Trump recently signed an executive order to make certain psychedelic drugs more available to treat mental health conditions like depression and PTSD. Robert F. Kennedy Jr. and Joe Rogan were in the oval office, and President Trump even joked during the signing ceremony, “can I have some, please?” Maybe this executive order wasn’t on your 2026 political bingo card… but interest in these substances for mental health isn’t new. In this episode, we’re revisiting the story of Kathy Kral. In the midst of her battle with cancer, Kathy found herself facing a diagnosis of major depression. So, she signed up for a clinical study to see if psilocybin – the psychedelic compound found in “magic mushrooms” – could help her confront her fears about cancer and death, as well as her deepest inner demons. This episode was first published in 2023. Featuring Kathleen Kral, Manish Agrawal, and Norma Stevens. Produced by Felix Poon. For full credits and transcript, visit outsideinradio.org. SUPPORT Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram or join our private discussion group on Facebook. LINKS Trump’s order is a milestone for proponents of using psychedelics as medicine. (NPR) Listen to the Sunstone Psilocybin Spotify Playlist that patients listen to during their psychedelic-assisted therapy sessions. Learn more about your ad choices. Visit megaphone.fm/adchoices | 33m 23s | ||||||
| 5/6/26 | ![]() Silicon Planet✨ | silicontechnology+3 | Vince BeiserMegan Brewster+1 | Outside/InNHPR+1 | — | siliconSilicon Valley+6 | — | 33m 23s | |
| 4/29/26 | ![]() A Dry Hot American Summer✨ | heat waveAmerican history+4 | Geoff Williams | The Summer of Death | Arizona | heat wave1936+7 | — | 31m 22s | |
| 4/22/26 | ![]() Like a Dirty Rotten Whale✨ | dogsmating season+4 | Christopher SchellEric Nystrom+1 | headlampOutside+6 | — | Outside/Inboxlistener questions+2 | — | 39m 20s | |
| 4/15/26 | ![]() The Dead Bird Rabbit Hole✨ | bird migrationvolunteering+2 | Melissa BreyerLinda LaBella+3 | BirdcastdBird+5 | New York CityEarth | citizen sciencebird conservation+2 | — | 33m 43s | |
| 4/8/26 | ![]() The Microplastics Cleanse✨ | microplasticshealth+2 | Charmaine DahlenburgMarcus Garcia+2 | — | — | plastic pollutionresearch+1 | — | 31m 27s | |
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| 4/1/26 | ![]() A climate activist and a gas executive walk into a bar✨ | climate changenatural gas+2 | Zeyneb MagaviBill Akley+1 | electric carsolar panels+3 | New England’sMassachusetts+2 | geothermal pilot projectgas-to-geo transition+1 | — | 32m 36s | |
| 3/25/26 | ![]() The Raw Milk Question✨ | raw milkdairy+3 | Dan BrownAndy Bisson+4 | raw milkMilk! A 10,000 Year History+5 | MaineBlue Hill+1 | superfoodpasteurized milk+2 | — | 35m 33s | |
| 3/18/26 | ![]() Hunting Party✨ | huntingdeer+3 | Dorothy RenBrandon Dale+1 | Hunting PartyOutside/In+4 | the Catskill MountainsNew York | Catskill Mountainsfirst-time hunter+1 | — | 39m 12s | |
| 3/11/26 | ![]() Catching the Codfather✨ | fishingtrue crime+2 | — | The Big DigGBH+3 | — | CodfatherCarlos Rafael+2 | — | 59m 47s | |
| 3/4/26 | ![]() Red is the warmest color✨ | redanimals+3 | Alex FunkJeremy D'Entremont+2 | Outside/InOutside/Inbox | OlneyIllinois+2 | cardinalsalbino animals+2 | — | 31m 47s | |
| 2/25/26 | ![]() Reefer madness and the future of hemp✨ | hemphistory+3 | Hector “Freedom” GerardoDavid Suchoff+2 | hemp ropehemp fabric+2 | America | hemp usescultural history+1 | — | 30m 15s | |
| 2/18/26 | ![]() Goats, Ghosts, and Roadkill [Live stories from Portsmouth]✨ | goatsghosts+3 | Gretchen LeglerKianny Antigua+4 | SnoweaterOutside/In+5 | PortsmouthN.H. | live audiencePortsmouth+3 | — | 54m 44s | |
| 2/11/26 | ![]() That's so raven | Ravens get a bad rap in western culture. They’re an ominous symbol of death, considered “unclean” by the bible, and star in Edgar Allen Poe’s haunting gothic poem, “The Raven.” A group of ravens is called an “unkindness.” What a burn. But host Nate Hegyi is on a mission to show that we should give the raven a bit more credit. It’s one of the most intelligent creatures on earth — an animal that can use tools like a chimpanzee, speak like a parrot, do tricks like a dog, and investigate murders like Sherlock Holmes. So today on the show, another edition of our ongoing series, Holy Scat: raven edition. Featuring Sophie Nilles and Will Geiger. Produced by Nate Hegyi. For a transcript and full list of credits, go to outsideinradio.org. SUPPORT Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram or join our private discussion group on Facebook. LINKS Dr. Kaeli Swift is one of the foremost corvid researchers on the planet, and she’s done a deep dive into corvid funerals. Here’s the study that shows ravens parallel great apes in terms of intelligence. If you want a real creepy experience, you should watch Vincent Price recite Edgar Allen Poe’s ‘The Raven.’ Need more raven stories from southeast Alaska? The Sealaska Heritage Institute just published a collection. Learn more about your ad choices. Visit megaphone.fm/adchoices | 32m 47s | ||||||
| 2/4/26 | ![]() The Emerald Forest | After the Irish fought for and won their independence from the British in 1921, they had a problem. Centuries of exploitation had left the island one of the least forested nations in Europe, with less than 2% tree cover. So, they started planting a non-native American tree: fast-growing Sitka spruce capable of rebuilding their timber resources in record time. And it worked. Today, about 17% of the island is forested. But in the rural areas where iconic rolling hills have been replaced by rows and rows of conifers, farmers are not happy. Outside/In host Nate Hegyi takes us to County Leitrim, an area of Ireland hit hard by the Troubles and the Great Famine, to meet the townspeople who are fighting what they say is a new wave of colonialism: Sitka spruce plantations. Featuring Justin Warnock, Brian Smyth, Donal Magner, Liam Byrne and Jodie Asselin. This episode originally aired in March 2025. Produced by Nate Hegyi. For a transcript and full list of credits, go to outsideinradio.org. SUPPORT Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram or join our private discussion group on Facebook. LINKS Donal Magner wrote a book covering the history of Ireland’s forests and timber industry. Sitka spruce plantations are controversial in other parts of Ireland as well, including Cork. There are also efforts to rewild parts of Ireland with entirely native trees and to protect and restore carbon-sequestering bogs. It can be really tough to figure out exactly what was growing in Ireland thousands of years ago – but these scientists used ancient pollen counts to figure it out. Researchers at University College Dublin produced a detailed socio-economic impact report on Sitka spruce plantations and County Leitrim in 2019. Learn more about your ad choices. Visit megaphone.fm/adchoices | 32m 02s | ||||||
| 1/29/26 | ![]() Safe to Drink, Episode 1: You don’t know about this? | A New Hampshire town finds out its water has been contaminated by a chemical. The most basic question — whether the water is safe to drink — doesn’t have a clear answer. Nobody seems to know much about this so-called forever chemical, which is weird… because all of this has all happened before. From the Document team at New Hampshire Public Radio, Safe to Drink is a four-part series about a water contamination story that keeps repeating in town after town — and about the people who fought for answers through a maze of chemistry, regulations, and illnesses. You can binge the whole series now: subscribe to Safe to Drink on Apple Podcasts, or check out their page on NHPR’s website. Reported by Mara Hoplamazian. For full credits and transcript, visit outsideinradio.org. SUPPORT Celebrate our 10th anniversary with us! Join the Outside/In team for Stories from Outside on Friday, Feb. 6, at 7 p.m. at 3S Artspace in Portsmouth. Tickets are available here. Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram or join our private discussion group on Facebook. Learn more about your ad choices. Visit megaphone.fm/adchoices | 32m 53s | ||||||
| 1/28/26 | ![]() Remembering Christa | Last week, we talked about the ethics and regulations around sending private citizens to space, but one thing we didn’t linger on much was the lasting impact of Christa McAuliffe; the teacher slated to become the first private citizen to space before she was killed in the Challenger disaster. So today, we’ve got a series of stories and interviews that are all part of NHPR’s series “Remembering Christa: 40 Years After the Challenger.” We’ll hear from a local journalist that covered her story, the students she mentored, and the community charged with remembering her legacy. Produced by Patrick McNameeKing. For full credits and transcript, visit outsideinradio.org. SUPPORT Grab a ticket for our 10 year anniversary live show here! Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram or join our private discussion group on Facebook. Learn more about your ad choices. Visit megaphone.fm/adchoices | 31m 13s | ||||||
| 1/21/26 | ![]() In Challenger's wake: The ethics of sending citizens to space | In 1985, high school teacher Christa McAuliffe was selected to become the first private citizen to travel to space. After the Challenger explosion that killed her and 6 other astronauts, NASA scrapped its Teacher in Space Project; it was still too risky to send private citizens to space. 40 years later, things are looking very different. Today, celebrities and billionaires are buying trips on commercial rockets. Private companies are designing new, private space stations. How is safety being regulated for these private space companies? And what happens if – or when – something goes wrong? Featuring Kim Bleier, Ben Miller, Doug Ligor, Peggy Whitson, and Dana Tulodziecki. Produced by Daniel Ackerman. For full credits and transcript, visit outsideinradio.org. SUPPORT Grab a ticket for our 10 year anniversary live show here! Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram or join our private discussion group on Facebook. LINKS Listen to NHPR’s multi-part series honoring Christa McAuliffe 40 years after the Challenger shuttle disaster. Learn more about your ad choices. Visit megaphone.fm/adchoices | 31m 02s | ||||||
| 1/14/26 | ![]() Bill McKibben has changed (but not that much) | One of the very first books for the general public about climate change was written and published by Bill McKibben in 1989. In The End of Nature, Bill wrote that continuing to burn fossil fuels would “lead us, if not straight to hell, then straight to a place with a similar temperature.” Bill was right. The planet is hotter. Climate disasters are everywhere. You’d think he’d be more upset now than ever. But in his latest book, Here Comes the Sun, Bill sounds optimistic. In it he writes “For the first time, I can see a path forward. A path lit by the sun.” Host Nate Hegyi talks to journalist and activist Bill McKibben, about how he’s changed, how he’s stayed the same, and what his story tells us about the state of the climate crisis. Featuring Bill McKibben Produced by Felix Poon. For full credits and transcript, visit outsideinradio.org. SUPPORT Grab a ticket for our 10 year anniversary live show here! Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram or join our private discussion group on Facebook. LINKS Listen to Studs Terkel’s 1989 interview with Bill about his first book, The End of Nature. Read Bill’s latest book, Here Comes the Sun. Learn more about your ad choices. Visit megaphone.fm/adchoices | 30m 30s | ||||||
| 1/7/26 | ![]() nom nom nom | You might not think much about the sticky bottle of vanilla sitting in the back of your pantry. But that flavor – one of the most common in the world – has a fascinating history, involving a fickle orchid and a 12-year-old enslaved boy who made the discovery of a lifetime. That’s the sort of tale that attracts poet Aimee Nezhukumatathil. From peacock feathers to the sounds of garden insects, her work is known for magnifying the wonders of the natural world. Her latest book of essays, “Bite by Bite: Nourishments and Jamborees,” explores the unexpected connections between food, memory, and community. So take a seat and pour yourself an aperitif, as Aimee Nezhukumatathil shares a few of these miniature morsels with Outside/In host Nate Hegyi: a three-course meal of grape jelly, sweet nostalgia, and just a hint of vanilla bean. Featuring Aimee Nezhukumatathil This episode originally aired in 2024. SUPPORT Grab a ticket for our 10 year anniversary live show here! To share your questions and feedback with Outside/In, call the show’s hotline and leave us a voicemail. The number is 1-844-GO-OTTER. No question is too serious or too silly. Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram and BlueSky, or join our private discussion group on Facebook. LINKS You can find Aimee’s book of essays, Bite by Bite, at your local bookstore or online. CREDITS Produced by Nate Hegyi. For full credits and transcript, visit outsideinradio.org Learn more about your ad choices. Visit megaphone.fm/adchoices | 30m 12s | ||||||
| 12/31/25 | ![]() Return of the Kiwi Apocalypse: 10 years of Outside/In | ** We’re celebrating our 10 year anniversary and want you to come! Join us in Portsmouth, New Hampshire for a night of storytelling, featuring former Outside/In guests and hosted by our very own Nate Hegyi. Get your tickets here! ** In celebration of Outside/In’s 10th anniversary we’re looking back at our very first episode: “The Kiwi Apocalypse,” first published in December of 2015. Afterwards, we’ll get an update to the story and talk about how weird it is to have a podcast old enough to be in middle school. Here’s our original description for The Kiwi Apocalypse: Iago Hale has a vision: it’s one where the economy of the North Country is revitalized by local farmers selling delicious cold hardy kiwi berries to the masses. Meanwhile, Tom Lautzenheiser has been battling a hardy kiwi infestation in Massachusetts for years, and is afraid that this fight will soon be coming to the rest of New England. Should we worry about the cold hardy kiwi and what does the quest to bring it to market tell us about what an invasive species is? Featuring Iago Hale, Tom Lautzenheiser and Bryan Connolly. This episode was produced by our original host, Sam Evans-Brown. For full credits and transcript, visit outsideinradio.org. SUPPORT Grab a ticket for our 10 year anniversary live show here! Outside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Follow Outside/In on Instagram or join our private discussion group on Facebook. Learn more about your ad choices. Visit megaphone.fm/adchoices | 35m 24s | ||||||
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50 placements across 42 markets.
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50 placements across 42 markets.

















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