Notice how some of these tomatoes have unripe-looking tops? Those "green shoulders" are actually the keys to flavor. pocius/Flickr.com hide caption

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James Beard award-winning chef Marcus Samuelsson has been a judge on Top Chef, Iron Chef America and Chopped. /Courtesy of Marcus Samuelsson hide caption

itoggle caption /Courtesy of Marcus Samuelsson

Barbara and Norman Roux stand in front of cattle pens on their farm outside of Moundridge, Kan., where she has raised cattle for nearly 70 years. Peggy Lowe/Harvest Public Media hide caption

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Some Americans are cutting back on red meat, and health concerns seem to be the biggest reason they're doing it, a survey found. Shmeliova Natalia/iStockphoto.com hide caption

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Postal workers and activists make signs for their hunger strike in front of the Rayburn House Office building in Washington, D.C. Mark Wilson/Getty Images hide caption

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