The SaltThe Salt

What's On Your Plate

Mineral supplements, ape-style: A female chimp called Kana eats clay in the Budongo Forest of Uganda. A.Schel/Budongo Conservation Field Station/Animal Ecology, Utrecht University, The Netherlands hide caption

itoggle caption A.Schel/Budongo Conservation Field Station/Animal Ecology, Utrecht University, The Netherlands

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Lake herring roe at the Dockside Fish Market in Grand Marais, Minn. Some workers at the market call it "Lake Superior Gold." Derek Montgomery for NPR hide caption

itoggle caption Derek Montgomery for NPR

Thai and Burmese fishing boat workers sit inside a cell at the compound of a fishing company in Benjina, Indonesia on Nov. 22, 2014. The imprisoned men were considered slaves who might run away. Dita Alangkara/AP hide caption

itoggle caption Dita Alangkara/AP

A label on a bag of popcorn indicates it is a non-GMO food. House Republicans on Thursday voted in favor of a law that would block states from mandating GMO labels. Robyn Beck/AFP/Getty Images hide caption

itoggle caption Robyn Beck/AFP/Getty Images

For 3-D food printers, chocolate is a good material to start with, because it's fairly simple to make it liquid inside the printer cartridge and solid once it drops out. Courtesy of Smart Gastronomy Lab, University of Liège hide caption

itoggle caption Courtesy of Smart Gastronomy Lab, University of Liège

Lee Perry-Gal measures chicken long bones at the zooarchaeology lab, Zinman Institute of Archaeology, University of Haifa. Courtesy of Guy Bar-Oz hide caption

itoggle caption Courtesy of Guy Bar-Oz

In some Indian states, efforts to serve eggs to malnourished children are a political minefield. See the related animation, "Power Lunch: India's Mid-Day Meal Program," produced by Mathilde Dratwa for the Pulitzer Center and based on Rhitu Chatterjee's reporting. Lisa LaBracio/Courtesy of the Pulitzer Center hide caption

itoggle caption Lisa LaBracio/Courtesy of the Pulitzer Center
Adolfo Valle for NPR

A bumblebee collects pollen from a flower. New evidence suggests climate change has left bumblebees with a shrinking range of places to live. Yuri Kadobnovy/AFP/Getty Images hide caption

itoggle caption Yuri Kadobnovy/AFP/Getty Images

Before distilleries used glass bottles, many of them offered liquor stores branded ceramic jugs that could be filled and sold to customers. This pair of George Dickel jugs was used around 1900. From The Art of American Whiskey by Noah Rothbaum. Courtesy of Ten Speed Press/Diageo hide caption

itoggle caption Courtesy of Ten Speed Press/Diageo

For 15 years, Jared Fogle has been the famous face of Subway. Here, Fogle (left) visits a Subway shop in Daytona Beach, Fla., with NASCAR driver Carl Edwards in 2012. Brian Blanco/AP hide caption

itoggle caption Brian Blanco/AP

Tunde Wey gets ready to serve plantains and Jollof rice at his pop-up Nigerian dinner in the kitchen of Toki Underground, a ramen restaurant in Washington, D.C., in December 2014. Eliza Barclay/NPR hide caption

itoggle caption Eliza Barclay/NPR