Bone analysis of ancient skeletons show humans started eating maize 4,700-years-ago 

Ancient skeletons, found in a remarkably well-preserved state in Central American rock shelters, hold clues to the origins of maize as a staple of the human diet. The remains were found in the Maya Mountains of Belize and were buried at various points in the past 10,000 years, according to University of Exeter team. Researchers measured … Read more