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PODCAST

Gastropod

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

arts food

All Episodes

49:22

Eating the Rainbow: Or, the Mystery of the Orange...

Gastropod ·

2020/04/21

From stripy fuchsia beets to unicorn doughnuts, the foods available today on grocery store shelves and in cafe displays are more brightly colored than ever. But this hasn't always been the case. This episode of Gastropod, we offer three stories that explore the colors of our cuisine: How did a food fight between Florida and California turn oranges (the fruit) that perfect bright orange (the color)? Why did US consumers freak out about the food dye Red #2, and what was the impact on our M&Ms? And

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40:42

A Tale To Warm The Cockles Of Your Heart

Gastropod ·

2020/04/07

You might have heard of Molly Malone, selling cockles from a wheelbarrow in Dublin, or of Mary, Mary, Quite Contrary, with her cockle shells and pretty maids all in a row—but the chances are most Gastropod listeners have never actually tasted a cockle. And, apparently, you're missing out! For the Native American tribes in the Puget Sound, where cockles used to be abundant, they're a treasured treat: meatier, sweeter, and richer-tasting than other shellfish. But they're also disappearing, and no one

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54:38

White vs. Wheat: The Food Fight of the Centuries

Gastropod ·

2020/03/24

White or whole wheat: while today the question is most frequently asked at the sandwich counter, the debate over the correct answer goes back literally thousands of years. In the past century, though, as white flour and thus white bread became more accessible, the debate became increasingly heated: "Science finds that white bread develops criminals,” reported newspapers in the 1920s, while anti-white bread activists at the time claimed that eating too many slices would causing blindness and facial

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45:23

Licorice: A Dark and Salty Stranger

Gastropod ·

2020/03/10

Licorice is a polarizing candy: there are those who pick out the black jelly beans, those who think Twizzlers are better than Red Vines, and those who won't travel without a supply of salty dark lozenges. The dark and chewy treat begins life as a plant root that is more than fifty times as sweet as sugar. This episode, we tell the story of how a traditional remedy become England's first branded candy, and we get to the bottom of a medical mystery (licorice poisoning!) in a tale that involves both

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48:28

To Fight Climate Change, Bank on Soil

Gastropod ·

2020/02/25

Our glaciers are melting, our forests are on fire, our harvests are increasingly decimated by either floods and drought. We are in a climate emergency that threatens our very survival, and it is, frankly, incredibly depressing. But this episode, we’ve got the story of one of the most exciting, seemingly feasible efforts to reduce atmospheric carbon—by storing it in the soil. The solution involves refreshing beer, crusty bread, and sweet, crunchy broccoli—and a complete reinvention of modern

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43:17

Move Over Gin, We’ve Got Tonic Fever

Gastropod ·

2020/02/11

Just a few decades ago, gin & tonics were considered rather stodgy and boring, the drink of suburbanites at the golf club. Today, the century-old drink is hot again. In part, that’s due to a boom in craft gin distilling—a ginaissance! But there’s also been a new wave of experimentation with gin’s life partner, tonic water. This episode, we focus on the tonic side of the equation. Which genius came up with the idea of combining quinine, a malaria drug, with soda water and sugar in order to create

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54:20

The United States of McDonald’s

Gastropod ·

2020/01/28

McDonald’s is mind-boggling. According to Adam Chandler, author of the recent book, Drive-Thru Dreams, it sells roughly 75 burgers every second and serves 68 million people every day—equivalent to 1 percent of the entire world’s population. “The golden arches are thought to be, according to an independent survey, more recognizable as a symbol than the Christian cross is around the world,” Chandler told us. This episode, we tell the story of McDonald’s—but more importantly, we explore what it has to

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46:18

Dinner Plate Invasion: Lionfish, Tiger Shrimp, and...

Gastropod ·

2020/01/13

Across America, feral pigs are on the rampage, wrecking fields of crops, hunting local wildlife to extinction, and even attacking humans. In the United Kingdom, Japanese knotweed is taking over the landscape: banks deny mortgages to infested properties, and the government regulates its disposal with the same precautions it takes for low-level nuclear waste. Humans are to blame—we introduced invasive species such as these to their new homes. But some conservation biologists and chefs think humans can

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44:33

Meet the Queen of Kiwi: the 96-Year-Old Woman Who...

Gastropod ·

2019/12/17

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

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42:57

Are Insect Guts the Secret to the Most Delicious Kimchi?

Gastropod ·

2019/12/03

This side dish of spicy, bubbly, funky pickled vegetables is such a staple in Korea that no meal is considered complete without it—but, recently, kimchi has found its way into burgers, pasta, grilled cheese, and even tacos. This episode, we trace the behind-the-scenes story of the “kimchi diplomacy” that turned Korea’s favorite fermented cabbage into an international food trend. And then, because we’re Gastropod, we take part in our very own cutting-edge science experiment to understand one of

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52:05

Menu Mind Control

Gastropod ·

2019/11/18

At its most basic, a menu is simply a way for a restaurant to communicate its offerings and their prices to its customers. But, perhaps even more importantly, says Alison Pearlman, author of a new book on menus called May We Suggest, a menu has to persuade diners that they want what the restaurant is selling. So how do menus do that—and are they somehow subconsciously manipulating our choices? Are there universal principles of effective menu design that savvy diners can identify and outsmart? Listen

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53:53

Of Ghost Foods and Culinary Extinction

Gastropod ·

2019/11/05

The earliest humans favored juicy, meaty mammoth at mealtimes. Ancient Romans loved their favorite herb, silphium, so much that they sprinkled it on everything from lamb to melon. In the 19th century United States, passenger pigeon pie was a cherished comfort food, long before chicken pot pie became commonplace. And, for dessert, Americans a century ago might have enjoyed a superlatively buttery Ansault pear, reckoned to be the greatest pear ever grown. What did these foods beloved by previous

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45:57

Tiki Time!

Gastropod ·

2019/10/22

Tiki bars are hot these days: you can enjoy a fruity tropical drink while surrounded by faux-Polynesian décor in most major cities around the U.S. and elsewhere, with new tiki spots opening every month. The trend is a revival of a nearly century-old American tradition—but the knowledge of how to make these classic tiki cocktails had been all but lost over the intervening decades. It took an amateur sleuth who went on a deep dive into cocktail archaeology and recipe cryptography to bring back the

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50:17

What’s CRISPR Doing in our Food?

Gastropod ·

2019/10/08

You’ve probably heard the hype: CRISPR will revolutionize biotech, cure disease, resurrect extinct species, and even create new-and-(not-so)-improved humans. But what is CRISPR—and what’s it doing in our food? The first generation of genetically modified crops, or GMOs, were labelled “Frankenfoods” by critics and are banned in the European Union. Can CRISPR succeed where fish-tomatoes failed? And what’s yoghurt got to do with it? Listen in this episode for the CRISPR story you haven’t heard—and for

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46:04

Happy Birthday to Us: Gastropod Turns Five

Gastropod ·

2019/09/24

We launched Gastropod in September 2014, which means we’re turning five this month, and that’s approximately 100 in podcast years. We’re celebrating our birthday with a special episode featuring highlights from the past five years’ worth of episodes, as chosen by you, our listeners—served up alongside a generous slice of cake science and history. Join the party and listen in now as we revisit fan favorites and behind-the-scenes highlights from our first half-decade, and then sit down with this

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47:54

Celebrate Mexico’s True National Holiday with the...

Gastropod ·

2019/09/10

In the United States, Cinco de Mayo is an excuse for margarita-fueled partying. But in Mexico, that date—the anniversary of a military triumph over Napoleon on May 5, 1862—is marked by a parade and not much else. The real celebrations happen on September 16, which is Mexican Independence Day. At Gastropod, we’re always down to party, so here’s to Mexico’s true national holiday—and its true national dish: mole! But what is mole? Listen in this episode as we trace mole’s complicated evolution from

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47:01

Running on Fumes: Strawberry’s Dirty Secret

Gastropod ·

2019/08/27

This episode, we tell an age-old tale: an innocent young berry heads west to make its fame and fortune—but sells its soul in the process. In order for our hero, the strawberry, to defeat its nemesis, a fungus called wilt, the aromatic red fruit makes a deal with the devil—and duly becomes America’s favorite berry. But its success relies on fumigants, toxic gases injected into the soil that kill everything in their path. So what are fumigants; what’s their effect on farm workers, local communities,

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46:43

Omega 1-2-3

Gastropod ·

2019/08/13

Based on all the hype, you’d be forgiven for believing that the fish oils known as omega-3s are solution to every problem. Heart disease, dementia, depression, even obesity—the list of ailments that experts claim a daily dose of omega-3 can help prevent seems endless. And with more than ten percent of Americans taking a capsule of fish oil daily, omega-3s are one of the most profitable supplements in the world, too. Listen in this episode, as author Paul Greenberg and scientist JoAnn Manson help us

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23:45

Meet Sharbat, the Ancestor of Sorbet, Syrup, Shrub,...

Gastropod ·

2019/08/06

Many of you won’t have heard of sharbat, the delightfully tangy, refreshingly icy Persian drink. But most of you will have tasted at least one of its many descendants: sorbet, sherbet, syrup, shrub, and even the julep. So, what is sharbat? How did it inspire so many variations on cooling deliciousness? And how did Persians manage to make ice in the middle of the desert—thousands of years before the invention of mechanical refrigeration? Find out while keeping cool in this special episode of

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45:53

Super Fry: The Fight for the Golden Frite

Gastropod ·

2019/06/19

Shoestring, waffle, curly, or thick-cut: however you slice it, nearly everyone loves a deep-fried, golden brown piece of potato. But that’s where the agreement ends and the battles begin. While Americans call their fries “French,” Belgians claim that they, not the French, invented the perfect fry. Who’s right? This episode, we take you right into the heart of the battle that continues to be waged over who owns the fry—who invented it, who perfected it, who loves it the most? And then we take you

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