The Salt What's On Your Plate

Farmer Magoichi Shigihara checks on his cucumber farm in Nihonmatsu in Fukushima prefecture, about 31 miles west of the Fukushima nuclear power plant, in May 2011. Testing shows radiation in foods grown and raised in Fukushima is back to pre-accident levels. Yoshikazu Tsuno/AFP/Getty Images hide caption

itoggle caption Yoshikazu Tsuno/AFP/Getty Images

Eating at your desk day after day? Research suggests "staying inside, in the same location, is really detrimental to creative thinking," says management professor Kimberly Elsbach. 145/Tom Grill/Ocean/Corbis hide caption

itoggle caption 145/Tom Grill/Ocean/Corbis

An order of McDonald's Chicken McNuggets in Olmsted Falls, Ohio. McDonald's says it plans to start using chicken raised without antibiotics important to human medicine. Mark Duncan/AP hide caption

itoggle caption Mark Duncan/AP

A waitress serves shark fin soup in a restaurant in Guangzhou, in southern China's Guangdong province on Aug. 10, 2014. Johannes Eisele/AFP/Getty Images hide caption

itoggle caption Johannes Eisele/AFP/Getty Images

Three varieties of Kenyan purple tea from What-Cha: silver needle purple varietal white tea (from left), hand-rolled purple varietal oolong, steamed purple varietal green tea-style tea. Jeff Koehler for NPR hide caption

itoggle caption Jeff Koehler for NPR

Three years ago, Air Force veteran Sara Creech quit her job as a nurse and bought a 43-acre farm in North Salem, Ind. She named her farm Blue Yonder Organic. John Wendle for Harvest Public Media hide caption

itoggle caption John Wendle for Harvest Public Media

In exchange for a fee of 60 euros, members of Adopt A Cow get an assortment of aged and soft cheeses made from the milk of cows like Mery. Christopher Livesay for NPR hide caption

itoggle caption Christopher Livesay for NPR

Student volunteers with The Campus Kitchens Project evaluate produce. The initiative gets high-school and college students to scavenge food from cafeterias, grocery stores and farmers' markets, cook it and deliver it to organizations serving low-income people in their communities. Courtesy of DC Central Kitchen hide caption

itoggle caption Courtesy of DC Central Kitchen

A field of unharvested wheat is seen in Ashby-de-la-Zouch, England, in 2012. Wheat wasn't cultivated in Britain until some 6,000 years ago, but DNA evidence suggests early Britons were eating the grain at least 8,000 years ago. Darren Staples/Reuters/Landov hide caption

itoggle caption Darren Staples/Reuters/Landov