The Salt What's On Your Plate

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

A government-appointed panel concluded in a recent report that Americans should eat less red meat and processed meat. A more plant-focused diet is better for health and the environment, it found. Andrew Burton/Getty Images hide caption

itoggle caption Andrew Burton/Getty Images

Tim Meyers on his four-acre vegetable farm in southwestern Alaska. Behind him: an endless sea of tundra, and a glimpse of the town of Bethel. Eugenie Frerichs for NPR hide caption

itoggle caption Eugenie Frerichs for NPR

Nahun Villagomez Sanchez washes freshly dug Red LaSoda potatoes at T&D Willey Farms near Madera, Calif. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR

Frida Kahlo's 1940 painting entitled "Self-Portrait with Thorn Necklace and Hummingbird." Frida Kahlo via The New York Botanical Garden/AP hide caption

itoggle caption Frida Kahlo via The New York Botanical Garden/AP

A truck drives on top of a levee that protects a soybean field in New Madrid County, Mo., when the Mississippi River floods. Kristofor Husted/KBIA hide caption

itoggle caption Kristofor Husted/KBIA

Crew members pull an oyster dredge in Tangier Sound of the Chesapeake Bay near Deal Island, Md., in 2013. A study found that the Chesapeake Bay shellfishery is a "hot zone" for ocean acidification. Patrick Semansky/AP hide caption

itoggle caption Patrick Semansky/AP

In a landmark new study, researchers found that babies who consumed the equivalent of about 4 heaping teaspoons of peanut butter each week, starting when they were between 4 and 11 months old, were about 80 percent less likely to develop a peanut allergy by age 5. To avoid a choking hazard, doctors say kids should be fed peanuts mixed in other foods, not peanuts or globs of peanut butter. Anna/Flickr hide caption

itoggle caption Anna/Flickr

Freight Farms are shipping containers modified to grow stacks of hydroponic plants and vegetables — anywhere, 365 days a year. Courtesy of Freight Farms hide caption

itoggle caption Courtesy of Freight Farms

Traditional desserts, like these served in 2010 at the original Naranj restaurant in Damascus, offer sweet, familiar flavors at the restaurant's various locations in the Middle East. A platter like this shows up at the end of every meal at Naranj, and all the pastries are made in-house. Jan Smith/Flickr hide caption

itoggle caption Jan Smith/Flickr