The Salt What's On Your Plate

After a hard day of bruising battle, ancient gladiators reached for a post-workout drink, according to an ancient account. New research backs that up. Stefano Bianchetti/Corbis hide caption

itoggle caption Stefano Bianchetti/Corbis

The homeless and others in need enjoy lunch at the Los Angeles Mission on Nov. 23, 2011, in celebration of Thanksgiving. Legislation to ban organizations from serving food to homeless people in public places has been proposed in Los Angeles. Frederic J. Brown/AFP/Getty Images hide caption

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Researchers say there's plenty the beef industry can do to use less land and water and emit fewer greenhouse gas emissions. But producers may need to charge a premium to make those changes. iStockphoto.com hide caption

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A handful of restaurants across the U.S. are experimenting with no-tipping models, opting instead to charge higher set prices for menu items and give their servers higher hourly pay. iStockphoto hide caption

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Labels on bags of snack foods indicate they are non-GMO food products. This fall, Colorado and Oregon will be the latest states to put GMO labeling on the ballot. Robyn Beck /AFP/Getty Images hide caption

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Tokens representing $1, which can be used specifically for fresh fruits and vegetables, are displayed at a Electronic Benefits Transfer, or food stamp, station in the GrowNYC Greenmarket in Union Square on September 18, 2013 in New York City. Andrew Burton/Getty Images hide caption

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In one study, people who were in a buffet line served themselves a lot more of an unhealthful pasta dish if they were next to or behind a person perceived to be overweight. iStockphoto hide caption

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This grocery store packet of porcini mushrooms contained a surprise: three species of fungi never before named or described. Bryn Dentinger/Royal Botanical Gardens, Kew hide caption

itoggle caption Bryn Dentinger/Royal Botanical Gardens, Kew

Bounty from the bin: Thaler says you can find plenty of tasty, edible produce that's tossed out. Plastic-wrapped produce tends to be a safe bet, he says. Courtesy of Maximus Thaler hide caption

itoggle caption Courtesy of Maximus Thaler

Technically, it's against the law for Russian restaurants to buy top-notch Italiano Parmigiano-Reggiano. But that's nothing a little creative labeling can't get around. Porter Gifford/Corbis hide caption

itoggle caption Porter Gifford/Corbis

Soybeans in a field in Springfield, Neb., on Wednesday. The nation's corn and soybean farmers will bring in by far the largest harvest ever this year, driving down the price of the commodities, according to the U.S. Department of Agriculture. Nati Harnik/AP hide caption

itoggle caption Nati Harnik/AP

Aficionados line up outside Hot Doug's, a gourmet hot dog diner in Chicago, in May. Owner Doug Sohn has announced that he will shut the doors in October after nearly 14 years. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP