ET: The Extraterrestrial, the titular alien is seen eating and drinking all manner of human foods and beverages from chocolates to tins of beer. In reality, however, it is unlikely that an entity that lived and evolved on another world would be capable of consuming and digesting the same types of foods as we are. Professor Jose Miguel Soriano del Castillo of the University of Valencia ,,,argues that dining on the same foods that humans eat would be highly risky for a visitor from another world and that their best bet would be to instead seek out the individual nutrients...