The Salt What's On Your Plate

The rendering industry likes to call itself the world's oldest recycling system. Nearly 100 percent of processed pigs will eventually get used — as meat and in uses as varied as medicine and pet food. iStockphoto hide caption

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The good old days: A flight attendant serves coffee and sandwiches to a passenger on board an American Airlines flight, circa 1935. Frederic Lewis/Archive Photos/Getty Images hide caption

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The French enjoy horse meat — here's a horse meat butcher in Paris. But even the French were angry that they had been paying beef prices for it last year. Thomas Coex/AFP/Getty Images hide caption

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A strawberry vanilla WikiPearl made with Stonyfield frozen yogurt. Stonyfield and WikiPearl, Inc. hide caption

itoggle caption Stonyfield and WikiPearl, Inc.

Ian Glomski outside his home in Charlottesville, Va., where hops grow in his garden. He quit an academic career in microbiology to start a liquor distillery. Richard Harris/NPR hide caption

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The Maiden Blush, Chenango Strawberry and Duchess of Oldenburg are heirloom apples found in old orchards across Colorado, which was once a major apple-producing state. Adalyn Schuenemeyer /Montezuma Orchard Restoration Project hide caption

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Opponents of Michigan fish farms say there is no room for them in the lakes because of sport fishing and other recreational activities. sfgamchick/Flickr hide caption

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Bob O'Connor, a Foster Farms veterinarian, holds an 11-day-old chick at a ranch near the town of Merced, in California's Central Valley. Dan Charles/NPR hide caption

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Meat is displayed in a case at a grocery store in Miami in July. Pork and beef prices are up more than 11 percent since last summer. Joe Raedle/Getty Images hide caption

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Giant Cabbage Weigh-Off 2013 winners (with placards, left to right): Scott Rob (92.1 pounds), Keevan Dinkel (92.3 pounds) and Brian Shunskis (77.4 pounds). The growers are joined by the cabbage fairies, a group of women who for 15 years have volunteered at the cabbage competition. Clark James Mishler/Courtesy of Alaska State Fair hide caption

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Whisked bakery founder Jenna Huntsberger (right) and baker's assistant Lauren Moore prepare pies in Union Kitchen, a food incubator in Washington, D.C. Huntsberger says the shared kitchen space and the business know-how she's honed there have played a big part in her success. Meredith Rizzo/NPR hide caption

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Farmer Seth Watkins (left) and agronomist Matt Liebman stand amid native prairie grasses near Des Moines, Iowa. The conservation strip is used to stop soil erosion. John Ydstie/NPR hide caption

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A French cheesemaker sets up wheels of Reblochon, a semi-soft cheese made from raw cow's milk, for maturing in a farm in the French Alps. Anglophone cheesemakers say translating a French government cheese manual will help them make safer raw milk cheese. Jean-Pierre Clatot/AFP/Getty Images hide caption

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Before opening a plant in North Carolina in early 2014, Sierra Nevada took water samples from all over the region and analyzed them. It realized it needed to add salt and prepare for fermentation. Steve R/Flickr hide caption

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