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Gastropod

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Cynthia Graber and Nicola Twilley

Food with a side of science and history. Every other week, co-hosts Cynthia Graber and Nicola Twilley serve up a brand new episode exploring the hidden history and surprising science behind a different food- or farming-related topic, from aquaculture to ancient feasts, from cutlery to chile peppers, and from microbes to Malbec. We interview experts, visit labs, fields, and archaeological digs, and generally have lots of fun while discovering new ways to think about and understand the world through food. Find us online at gastropod.com, follow us on Twitter @gastropodcast, and like us on Facebook at facebook.com/gastropodcast.

#252

Dishwashing Debates: The Soapy Science Behind Everyone's Favorite Chore

Next week, the US celebrates the dishwashing Olympics—also known as Thanksgiving. But how best to tackle the washing-up after the big meal can cause as much conflict as your uncle’s hot takes at the table. Do dishes get cleaner when they’re hand-washed or run through the dishwasher? Which is better for the environment? Are those convenient little detergent pods poisoning our oceans with microplastics? And who do we have to thank for that most glorious of inventions, the dishwashing machine? This episode, we’ve got answer to all these crucial questions and more, as we dive into the sudsy story of dishwashing through the ages and across cultures. Listen in now to make the most mundane household chore 100 percent more fascinating, guaranteed. Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

Yesterday

55 MINS

55:02

Yesterday

#251

V is for Vitamin (encore)

They're added to breakfast cereal, bread, and even Pop-Tarts, giving the sweetest, most processed treats a halo of health. Most people pop an extra dose for good measure, perhaps washing it down with fortified milk. But what are vitamins—and how did their discovery make America's processed food revolution possible? On this episode of Gastropod, author Catherine Price helps us tell the story of vitamins, from Indonesian chickens to Gwyneth Paltrow. (encore) Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

12 Nov 2024

43 MINS

43:31

12 Nov 2024

#250

Bringing Salmon Home: The Story of the World's Largest Dam Removal Project

The Klamath River on the California-Oregon border was once the third largest salmon river in the continental U.S. There were so many fish, indigenous histories claim that you could cross the river walking across their backs—which made the peoples who lived in this remote, beautiful region some of the wealthiest in pre-colonial North America. But, for more than a century, salmon have been shut out of the Klamath: thanks to multiple hydroelectric dams that blocked the river, these fish couldn’t reach miles of cold, clear waters where they historically spawned. Their population plummeted to the point where even catching salmon for traditional ceremonies was banned, to help the few remaining fish survive. In just the past couple of months, however, the dams have come down, thanks to a scrappy coalition of local tribes, commercial fishermen, and environmental groups who spent decades fighting to free the Klamath—and bring the salmon home. Listen in this episode for the epic tale of the largest dam removal project in history—but also for the much bigger story of why these fish matter, and what it will take to make the Klamath their home again. Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

04 Nov 2024

1 HR 02 MINS

1:02:50

04 Nov 2024

#249

Potatoes in Space! (encore)

Today, a half century after Neil Armstrong took one small step onto the surface of the Moon, there are still just ten humans living in space—the crew of the International Space Station. But, after decades of talk, both government agencies and entrepreneurs are now drawing up more concrete plans to return to the Moon, and even travel onward to Mars. Getting there is one thing, but if we plan to set up colonies, we'll have to figure out how to feed ourselves. Will Earth crops grow in space—and, if so, will they taste different? Will we be sipping spirulina smoothies and crunching on chlorella cookies, as scientists imagined in the 1960s, or preparing potatoes six thousand different ways, like Matt Damon in The Martian? Listen in this episode for the stories about how and what we might be farming, once we get to Mars. (encore presentation) Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

29 Oct 2024

47 MINS

47:56

29 Oct 2024

#248

Absinthe: The World's Most Dangerous Drink?

To painters and poets in late-1800s France, absinthe was "the green muse" or the "green fairy," an almost magical potion that promised vivid dreams, wild ideas, and artistic inspiration with every sip. By the 1910s, this once incredibly popular herbal liquor was banned—not only in France, but in countries around the world. Condemned as the cause of both individual ruin and social decline, absinthe consumption was blamed for seizures, memory gaps, hallucinations, and even murderous rage. So what's the deal: is absinthe just a drink, or is it actually deadly? This episode, we've got the story behind the myths, from witchy distillers to women on bicycles, and military rations to pre-ban bottles. Join us for the trip! Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

15 Oct 2024

45 MINS

45:14

15 Oct 2024

#247

From Trash to Treasure: Why's It So Hard to Save Restaurant Leftovers From the Dumpster?

Every day, at the end of service, restaurants throw away tons of entirely edible food: heaps of pastries and whole loaves of bread, vegetables chopped but not cooked, noodle dough, fish off-cuts, and more. An estimated 20 billion meals's worth of still edible food overall is tossed every year here in the US, and more than 85 percent of it ends up in the landfill. Meanwhile, more than one in ten Americans are food insecure. So why is it so hard to keep all of that perfectly good food out of the trash and get it onto people’s plates instead? This week, we’re taking a deep dive into the dumpster (not literally!), to explore the most innovative and surprising new solutions to this toughest of food challenges, including the wizards transforming everything from stale bagels to gallons of banana cream concentrate into a delicious dinner. Did someone order meals, not methane? Oui chef! Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

01 Oct 2024

48 MINS

48:56

01 Oct 2024

#246

Smashing Pumpkin Myths: What's Big, Orange, and Having an Identity Crisis?

It’s already begun: that time of the year now known across the land as Decorative Gourd Season. Squash are everywhere—carved into jack o’lanterns on front porches, adorning our sideboards and porches with strange shapes and autumn colors, and of course, baked into pies for fall celebrations. But get ready to rethink squash, because despite their slightly cheesy House Beautiful vibe and family-friendly pumpkin patch associations, they are—and we quote—"the most interesting plants in the world." Join us this episode as we explore our surprisingly long entanglement with the cucurbit family, from its star role as the very first plant domesticated in the Americas to the can of Libby's behind nine out of every ten pumpkin pies. Along the way, we figure out what on Earth the difference actually is between a squash and a pumpkin, and we get a sneak peek into the weird and wonderful world of giant pumpkins, where growers compete to break the two-ton barrier with fruits the size of a compact car. Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

17 Sep 2024

47 MINS

47:15

17 Sep 2024

#245

Meet the Queen of Kiwi: The 96-Year-Old Woman Who Transformed America's Produce Aisle (ENCORE)

The produce section of most American supermarkets in the 1950s was minimal to a fault, with only a few dozen fruits and vegetables to choose from: perhaps one kind of apple, one kind of lettuce, a yellow onion, a pile of bananas. Today, grocery stores routinely offer hundreds of different fruits and vegetables, many of which would be unrecognizable to time travelers from a half century ago. What changed, and how did Americans learn to embrace spaghetti squash, sugar snap peas, and kiwi fruit? This episode, we tell the story of the woman behind this transformation: Frieda Caplan, the Queen of Kiwi. (Encore) Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

10 Sep 2024

48 MINS

48:00

10 Sep 2024

#244

Deli is Short For Delicious—But Are Your Pastrami and Bologna Sandwiches Giving You Cancer?

School’s back in session, and kids are boarding the bus with lunchboxes in tow. Many of them contain sandwiches stuffed with turkey and ham slices, bologna, even salami—but where did these staples of the lunch break, not to mention the charcuterie platter, come from? Long before the 1900s meat-cute that birthed the deli sandwich, preserved meats were a standby in human diets: from dried yak cured in salt in the Himalayas, to pork fermented into salami in Italy, to beef pressed in the saddle and pickled in horse sweat in Central Asia, people all over the world invented ways to make meat inhospitable to microbes, more portable—and even more delicious! But, in recent years, these meats have gotten a bad name: in 2015, the World Health Organization even labeled them a carcinogen. So should you chuck the corned beef for the sake of your health? This episode, join us for a deep dive on the science behind whether your charcuterie could kill you—plus, the story of how cured meats became a staple of American diet and culture, thanks to German immigrants and Jewish delis, military-manufactured meat glue, and some truly orgasmic sliced pastrami on rye. Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

03 Sep 2024

53 MINS

53:19

03 Sep 2024

#243

What's the Buzz on Eating Bugs? Can Insects Really Save the World?

About ten years ago, insects were constantly being hyped as the future of food. Headlines proclaimed that, within the decade, everyone would be eating bugs as part of their daily diet—and saving the planet in the process. But while the buzz on edible insects hasn’t completely turned to crickets, the ento-revolution hasn't proceeded exactly as planned. In the Western world, insects are not yet what's for dinner, and, even in parts of the world where bugs are a traditional and treasured part of the cuisine, their consumption is on the decline. So what's the deal? Can edible insects really help solve climate change and world hunger? And, if so, what's stopping us from jumping on the bug bandwagon? Listen in this episode as we debunk insect conspiracy theories and sexist archaeology, savor tangy ants and a cicada bonanza, and visit Madagascar to tell the heart-warming tale of how a bacon-flavored bug is helping feed villagers, while saving an adorable primate. Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

20 Aug 2024

57 MINS

57:25

20 Aug 2024

#242

The Billion Dollar War Behind U.S. Rum (Planet Money)

When you buy a bottle of rum in the United States, by law nearly all the federal taxes on that rum must be sent to Puerto Rico and the U.S. Virgin Islands. It's an unusual system that Congress designed decades ago to help fund these two U.S. territories. In 2021 alone, these rum tax payments added up to more than $700 million. Puerto Rico and the Virgin Islands split the money according to how much rum each territory produces. And the territories produce a lot of it — especially Puerto Rico, which single handedly supplies the majority of the rum that Americans drink. But in 2008, the U.S. Virgin Islands pulled off a coup. It convinced one of the largest rum brands in the world, Captain Morgan, to abandon Puerto Rico and to shift its operations to the tiny island of St. Croix. This was the beginning of the Rum Wars. Listen in to the story of how this war turned the two territories into bitter rivals—and put hundreds of millions of U.S. taxpayer money in the pockets of big liquor companies. (Guest episode) Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

06 Aug 2024

42 MINS

42:48

06 Aug 2024

#241

The Interstitium (Radiolab)

Guest episode: In this episode we introduce you to a part of our bodies that was invisible to Western scientists until about five years ago; it’s called "the interstitium," a vast network of fluid channels inside the tissues around our organs that scientists have just begun to see, name, and understand. Along the way we look at how new technologies rub up against long-standing beliefs, and how millions of scientists and doctors failed to see what was right in front (and inside!) of their noses. We also find out how mapping the anatomy of this hidden infrastructure may help solve one of the fundamental mysteries of cancer, and perhaps provide a bridge between ancient and modern medicine. Learn more about your ad choices. Visit [podcastchoices.com/adchoices] (https://podcastchoices.com/adchoices) ... Read more

23 Jul 2024

59 MINS

59:55

23 Jul 2024

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