Gastropod

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Sweet and Low (Calorie): The Story of Artificial Sweeteners Jan 15, 2019

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For decades, ads for treats sweetened with substances like Sweet’N Low, NutraSweet, and Splenda have promised what seems like a miracle of modern science: that you can enjoy all the dessert you want, calorie-free. No need to deprive yourself—with artificial sweeteners, you can literally have your cake and eat it, too. But are these substances safe? Don’t they give cancer to rats and mess up your metabolism? Listen in now for answers to all these questions, plus the tale of a sugar-free gumball marketing blitz, courtesy of none other than Donald Rumsfeld.

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Dirty Tricks and Data: The Great Soda Wars, Part 2 Dec 18, 2018

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Over the past five years, more than forty cities and countries around the world have passed a tax on sugar-sweetened beverages. These soda taxes are designed to improve public health—but do they? Or have all the doom-and-gloom predictions of the soda industry come true instead? Researchers have been crunching the data, and this episode we have the scoop: do soda taxes work? We’ve also got the story of how the soda industry is fighting back, with dirty tricks in Colombia and blackmail in California. Finally, are soda taxes even the best intervention for improving public health? We have brand-new results from a radical, world-first experiment in Chile. Listen in now as we reach the epic finale of the great soda wars!

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Souring on Sweet: The Great Soda Wars, Part 1 Dec 04, 2018

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Public health researchers agree: the evidence is clear that Americans consume way too much sugar, that sugar contributes to weight gain, and that rising rates of obesity in the U.S. will lead to significant health problems in the future. What’s much less clear is what to do about it. In this special, first-ever two-part episode of Gastropod, we tell the story of how sugary beverages—soda, in particular—became Public Health Enemy #1. Why are politicians and scientists targeting soda? Why have most attempts to pass soda taxes failed? And do these taxes even work to reduce consumption and obesity?

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The Truth is in the Tooth: Braces, Cavities, and the Paleo Diet Nov 19, 2018

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Brush, floss, and forget: chances are, you only think about your teeth when they cause you trouble. But teeth have tales to tell, such as how old we are, how fast we grew, and how far we’ve traveled… But, most intriguingly, teeth can tell us both what we evolved to eat and what we actually have been eating. Paleo diet fans insist that our modern teeth troubles—all those pesky cavities—come from eating the wrong diet. If we only ate what our ancestors ate—meat, berries, and no grains—we’d be fine, they claim. But what do our teeth say? Tune in this episode to find out the toothy truth.

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Who Invented Mac and Cheese? Nov 13, 2018

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The warm, gooey dish, a childhood staple across North America, is many things to many people: a mainstay of African-American Sunday dinners, according to soul food expert Adrian Miller; a comforting yet celebratory meal that can be jazzed up in dozens of ways, according to chef and former mac and cheese restaurant owner Allison Arevalo; and Canada’s de facto national dish, according to journalist Sasha Chapman. So what do the Swiss Alps have to do with macaroni and cheese? Listen to this special sponsored episode for the story of where mac and cheese really came from and how it ended up in a little blue box. Plus, some tips for making the very best macaroni and cheese from scratch.

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How the Carrot Became Orange, and Other Stories Nov 06, 2018

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Thousands of years ago, in what’s now Afghanistan, people unearthed the tangled, gnarled roots of Queen Anne’s Lace—a ubiquitous, hairy-stemmed plant with a spray of tiny white flowers. These fibrous, twisted roots were white and bitter-tasting, but they had an appealing spicy, pine-y, earthy aroma. This was the unpromising ancestor of one of America’s most popular root vegetables (second only to the mighty potato): today, it’s mostly consumed in the form of two-inch orange slugs, marketed under the label “baby carrots.” So how did this white, woody root become orange, as well as purple and yellow and even red? Listen in now to find out—and hear the story of the invention of the baby carrot.

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The Incredible Egg Oct 23, 2018

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We love eggs scrambled, fried, or poached; we couldn’t enjoy a quiche, meringue, or flan without them. But for scientists and archaeologists, these perfect packages are a source of both wonder and curiosity. Why do eggs come in such a spectacular variety of colors, shapes, and sizes? Why are we stuck mostly eating chicken eggs, when our ancestors feasted on emu, ostrich, and guillemot eggs? This episode, we explore the science and history of eggs, from dinosaurs to double-yolkers!

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Espresso and Whisky: The Place of Time in Food Oct 09, 2018

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Why does fish cook so fast? What’s the “wasabi window”? And can you really make 20-year-old aged whisky in six days? This episode, we’re looking at the role of time in food and flavor: what it does, and how we’ve tried—and sometimes succeeded—to manipulate that. To explore these questions, we visit a whisky time machine tucked away in low-slung warehouse in downtown Los Angeles and meet its inventor, Bryan Davis. And we speak with Jenny Linford, food writer and author of a new book, The Missing Ingredient, all about time and food. Listen in now—this one’s well worth your time!

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Why These Animals? Sep 25, 2018

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In the West, when it comes to which meat is for dinner, we nearly always choose beef, pork, or chicken. Yet cows and pigs are only two of more than five thousand of species of mammals, and chicken is one of ten thousand species of birds. Meanwhile, at different times in history and in different places around the world, people have enjoyed dining on all sorts of animals, from elephants to flamingos to jellyfish. So how do individuals and cultures decide which animals to eat, and which they don’t? And why is this decision so divisive—why do many Americans look with such horror on those who eat, say, horse or dog? Listen in this episode for a healthy serving of myth-busting—about domestication, disgust, and deliciousness—as we explore this thorny question.

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Mango Mania: How the American Mango Lost its Flavor—and How it Might Just Get it Back Sep 11, 2018

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Mangoes inspire passion, particularly in India, which is home to hundreds of varieties of the fruit. They are celebrated in Indian music, poetry, and art; they are mentioned in Hindu and Buddhist religious texts as well as the Kama Sutra; and Indian expats will even pay hundreds of dollars for a single, air-freighted box of their favorite variety. But while the average red-skinned mango in the American grocery store is certainly pretty, they’re disappointingly bland and crunchy. This episode, we embark on a mango quest to discover how a mango should taste, why the American mango lost its flavor, and how it might just get it back. This is a story that involves a dentist from New Jersey, George W. Bush, and some Harley Davidsons, as well as a full-on mango orgy—so listen in!

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