Smokers are closely associated with meat. But there is a world of meatless uses for them as well, from potatoes and eggs to water and even ice cream. Project Smoke author Steven Raichlen tells Joe Yonan all about them.
"Globally, 95 percent of our calories now come from 30 species," says journalist and educator Simran Sethi, author of Bread, Wine, Chocolate. "Three-fourths of the food we eat comes from 12 plants and five animal species."