Add Yahoo as a preferred source to see more of our stories on Google. Collard greens − a staple of diets across the African diaspora. Bronwen Powell/Abderrahim Ouarghidi, CC BY For generations, ...

With the kind of pride that only a small-town chamber of commerce could muster, Ayden, N.C., trumpets itself as the "collard capital of the world." For as long as anyone can remember, this community ...