A grain with many faces, corn has a long history since its first appearance in the Aztec country. It is used in the manufacture of an endless list of products and is even used as fuel. This last attribute is the source of controversy in a world where a war that is deglobalizing and tearing it apart, may be the cause of an imminent famine in underdeveloped countries and, without a doubt, is a factor that plunges the globe into one of the most severe economic crises in its history.