The domestication of maize is one of the greatest examples of humankind’s impact on evolution. Early farmers’ pre-industrial plant breeding choices turned corn from a nearly inedible crop into the major global food source it is today. The domestication of maize is one of the greatest examples of humankind’s impact on evolution. Early farmers’ pre-industrial plant breeding choices turned corn from a nearly inedible crop into the major global food source it is today. Evolution Agriculture Phys.org – latest science and technology news stories