Is white chocolate really chocolate? What causes asparagus pee? Sprinkles or jimmies—which do you call them, and is the term ‘jimmies’ racist? Why is the heat of mustard and wasabi so different from a chile burn? This episode, Gastropod is getting to the bottom of your most pressing questions—which also means diving into some of the internet’s most controversial food debates. Listen in now as we call in historians and scientists to bust myths, solve mysteries, and find out why some people turn asparagus into the devil’s own brew!

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No pumpkin spice latte, cookie, candle, or seasonal can of Spam (yes, really) would be the same without one of its key flavors: nutmeg, a warm, woody spice grated from the seed of a tropical fruit. But back in the 1600s, nutmeg wasn’t so common that you could put it in everything from coffee to soap. In fact, nutmeg once grew only in one place in the entire world: the Banda Islands, a Pacific archipelago too tiny to even appear on regular maps. To get their precious nutmeg, European sailors had to brave a three-year journey filled with the possibility of shipwreck, storms, scurvy, dysentery, starvation, and death—so it's not surprising that the spice was so valuable that the crew weren't allowed to have pockets in their clothing, in case they smuggled some ashore for themselves! But how did one heroic Brit, Nathaniel Courthope, end up changing the course of nutmeg history—and, with it, the fate of not just pumpkin spice lattes, but also the city of New York? Listen now for the spicy, swashbuckling tale behind the season's favorite flavor.

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Botanically, bean pods are indeed fruits; honestly, beans are also pretty magical. And we’re clearly not the only ones to think that: beans are the unsung hero of history. The fact that they were domesticated an astonishing seven different times in different places shows how essential beans were to early humans all over the world; in Europe, Italian author and polymath Umberto Eco credits the bean with saving civilization itself. Lately, however, the humble bean has found fewer fans. In Northern Europe, Australia, Canada, and the United States, most people barely eat beans at all. This episode—our love song to beans—we're exploring the story of the bean's fall from grace, as well as the heirloom varieties and exclusive club that are making beans cool again. Plus, we visit with the Ugandan breeder working on Beans 2.0, which will take a third less time to cook. But can anybody do anything about the fart issue? Listen in as we spill the beans on one of our favorite foods.

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Doughnuts are ubiquitous in the United States: whether you're at party, a coffee shop, or the break room at work, you’re likely to find a box of iced rings covered with sprinkles. But some kind of deep-fried dough blob is a treat found in cultures around the world—so why have doughnuts become uniquely American? And what’s with the name, when there’s rarely a nut found in this dough? This episode, we're taking a roll around the story of these sweet circles, from their debut in Dutch New Amsterdam to the momentous origins of the doughnut hole. Listen in now, as we meet the Salvation Army volunteers who cemented the doughnut's popularity on the battlefields of both world wars, the Massachusetts middle-school dropout who created a doughnut empire, and the Cambodian-American Donut King of California.

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Savory, chewy, and, above all, slurp-able, a delicious bowl of ramen is one of the triumphs of Japanese cuisine. That's also a bit odd, because, for most of Japanese history, heavy, meaty, wheaty noodle soup would have had no place in the archipelago's otherwise bland and mostly pescatarian cuisine. This episode, we bust ramen myths and reveal ramen secrets, with the story of how Chinese influencers, U.S. food aid, and an economic boom built the quintessential Japanese soup—and how ramen was transformed from a quick street-food bite for workers to both the three-minute staple of students everywhere and the craft ramen that has people standing in lines for hours. Plus: how ramen noodles helped prevent a prison riot, and Cynthia and Nicky go head-to-head in an epic (failure of a) slurp-off.

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A bluefin tuna can grow to the size of a car, weigh twice as much as a grand piano, swim as fast as a running lion, and keep its muscles at human body temperature even in the ocean's coldest depths. It's also wildly delicious, with a sweet, briny, but meaty taste and a melt-in-your mouth texture that has made it the most expensive fish in the world, with a single bluefin selling for a record-breaking $3 million in 2019. Not bad for a fish that, until recently, New England fishermen used to have to pay to dispose of. This episode, we've got the story of how the king of fish went from the coin of the realm in ancient Byzantium to cat food before bouncing back, in a tale that involves Alexander the Great, Ernest Hemingway, and a couple of Canadian coffin-makers. But popularity has proven a double-edged sword for the bluefin: in the past few decades, it's been fished almost to extinction, while also becoming the poster child for saving the oceans. These days there's big news in tuna world, and, for the first time in years, environmentalists and scientists have hope for the bluefin's future. So is it time to start ordering maguro again at the sushi bar?

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What do some epilepsy patients have in common with tech bros, bodybuilders, and Joe Rogan? The high-fat, carb-shunning diet known as keto, whose history dates back much further than its 2010s rise to fame. In this episode, Gastropod traces how a medical treatment pioneered more than 2,500 years ago was refined in the 1920s to treat seizures. We trace its wild ride in and out of fashion, with cameos from Robert Atkins, the 80s exercise craze, and Meryl Streep. And, of course, we've got the myth-busting science on what ketosis and ketones really are, the dangers of eating this way to lose weight, and the reason this diet can be life-saving—for people with a very specific medical condition. Bust out the butter (but please don't put it in coffee) and join us down the keto rabbit hole.

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Can we really have our burger, eat it—and never need to kill a cow? Growing meat outside of animals—in a lab or, these days, in shiny steel bioreactors—promises to deliver a future in which we can enjoy sausages and sushi without guilt, and maybe even without sending our planet up in smoke. For years, it's seemed like science fiction, but it's finally a reality: this month, Americans will get their first chance to buy cultivated meat in a restaurant. But how exactly do you get chicken nuggets, BLTs, and bluefin sashimi from a bunch of cells growing in large metal vats? Does this new cultivated meat taste any good? Can enough be grown to replace industrial meat? And, if so, is this new technology actually an improvement on industrial animal agriculture and fishing? Gastropod is on the case! Join us this episode as we sink our teeth into a whole lot of lab-grown lunches, uncover the science behind the sci-fi, and investigate whether the companies making cultivated meat can actually fulfill the lofty promises they make.

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For most of us, when we sit on the porcelain throne to drop the deuce, priority number one is flushing and never having to think about it again. But it might be time to rethink our stink: all around the world, people are talking about using human waste for good, applying it as fertilizer to grow our food instead of just washing it down the miles of pipes that undergird urban sewage systems. "Ew" is a common response, along with "yuck!" Is using poop to grow food a good idea—or even safe? We’re getting our shit together to find out! On this episode of Gastropod, how human waste went from being so valuable you could go to jail for stealing it, to causing such a stench it shut down Parliament in Victorian London and led to the invention of the modern sewage system—and why figuring out how to start saving our poop (and pee!) once again could give us cleaner energy, healthier waterways, and lots of delicious food. Listen in now: if you like to eat, it's time to start giving a crap about your crap.
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What was the hottest accessory for late 1600s European dining rooms? The pineapple! Explorers had recently brought this spiky tropical fruit over from the Americas, and, in short order, it became the Gucci purse of its day—so exciting and desirable that it not only commanded big bucks, but led to a sort of gardening arms race to figure out how they might be grown in chilly Europe. In this episode, we get to the core of how this "king of fruit" inspired obsession and invention—plus, we head back to Hawai'i to learn how it transformed the islands and changed from an exotic rarity to a pantry-staple topping for pizza and cottage cheese. If you like piña coladas and fruits that can dissolve your skin, join us for all of the juicy details!
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