Red #40, Blue #1, Yellow #6 - a rainbow of food dyes. Josh Roulston/Flickr hide caption

itoggle caption Josh Roulston/Flickr

Italian food, once considered cheap peasant food, now appears at three-star Michelin restaurants and on menus around the world. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Zach Lester, seen here working in the field of Tree and Leaf Farm, grew the kale, chef Todd Woods cooked it, and Your Health podcast host Rebecca Davis got to eat it. Maggie Starbard/NPR hide caption

itoggle caption Maggie Starbard/NPR

Chiyoko Kaizuka, 83-year-old farmer, weeds a spinach field March 20, in Moriya, Ibaraki prefecture. Eugene Hoshiko/AP hide caption

itoggle caption Eugene Hoshiko/AP

Oberoi (center) has worked for nearly 30 years at the Taj Mahal Palace and Towers, a luxury hotel in Mumbai. He was working at the hotel on Nov. 26, 2008 — the day terrorists attacked The Taj and several other sites in Mumbai. Gunmen roamed the halls of the hotel for hours, shooting anyone in sight. The Kennedy Center hide caption

itoggle caption The Kennedy Center