Practice of farming reaches back farther than thought Ancient people living in Panama were processing and eating domesticated species of plants like maize, manioc, and arrowroot at least as far back as 7,800 years ago - much earlier than previously thought - according to new ...
Prehistoric origins of stomach ulcers uncovered An international team of scientists has discovered that the ubiquitous bacteria that causes most painful stomach ulcers has been present in the human digestive system since modern man migrated from Africa over 60,000 years ago. The ...