The John C. Sullenger Vineyard at Nickel & Nickel Winery, Napa Valley, Calif. Nickel & Nickel collaborated with scientists to collect wine samples and identify the bacteria and fungi in them by sequencing microbial DNA. Jason Tinacci/Courtesy of Nickel & Nickel hide caption

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Why did humans start cultivating celery? It's low-calorie and, one might argue, low flavor. We asked some experts at the intersection of botany and anthropology to share their best guesses. Cora Niele/Getty Images hide caption

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The Oculus cake now being sold by the new caterer running the SFMOMA's upstairs cafe. The cake was inspired by the distinctive tower at the San Francisco Museum of Modern Art. It is similar in design and spirit to a cake prepared by Caitlin Freeman and her baking team for a museum event several years ago. (See below.) Connor Radnovich/ Courtesy of The San Francisco Chronicle hide caption

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Beyonce inked a $50 million endorsement deal with Pepsi in 2012. Walter McBride/Corbis via Getty Images hide caption

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This Is How Much Celebrities Get Paid To Endorse Soda And Unhealthy Food

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Mimi Sheraton is no fan of kale chips, shown here at Elizabeth's Gone Raw on May 20, 2011 in Washington, D.C. Brendan Hoffman/Getty Images hide caption

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Kill The Culture Of Cool Kale, Food Critic Says

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Supreme Court Justices Ruth Bader Ginsburg and Sonia Sotomayor discuss the court's food traditions. RBG let us in on a secret: The reason she was not entirely awake at the State of the Union? She wasn't totally sober. Cliff Owen/AP hide caption

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Tomatoes from Canada, Mexico and Florida Morgan McCloy/NPR hide caption

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The Search For Tastier Supermarket Tomatoes: A Tale In 3 Acts

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Patricia Gallagher (from left), who first proposed the tasting; wine merchant Steven Spurrier; and influential French wine editor Odette Kahn. After the results were announced, Kahn is said to have demanded her scorecard back. "She wanted to make sure that the world didn't know what her scores were," says George Taber, the only journalist present that day. Courtesy of Bella Spurrier hide caption

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The Judgment Of Paris: The Blind Taste Test That Decanted The Wine World

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Chinese and other Asian beer brands on display at a supermarket. An ancient brewery discovered in China's Central Plain shows the Chinese were making barley beer with fairly advanced techniques some 5,000 years ago. Chris/Flickr hide caption

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Coming soon: The redesigned nutrition facts label will highlight added sugars in food. The label also will display calories per serving, and serving size, more prominently. U.S. Food and Drug Administration hide caption

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One of musician-turned-chef Philip Gelb's culinary creations for his Sound & Savor series of dinners and concerts. It's a mezze plate of falafel, roasted garlic hummus, beet nut pate, pepper pecan sauce and socca, a thin pancake made of chickpea flour. Hannah Kaminsky hide caption

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