"This is important research because it supports the out-of-Africa theory about the origin of modern humans," said Ranjan Deka, a population genetics researcher at the University of Cincinnati.
After studying the mental mechanism of language source and evolution through exploring the "past" of anthropogenesis and its development, we can grasp the process of language evolution.
Thus, our picture of Venus at around the time life was getting started on Earth is one of warm oceans, probably rich with organic molecules splashing around rocky shores and volcanic vents.
Back to Joseph Priestley, whose rudiments of English grammar insists that the custom of speaking is the original and only just standard of any language.
It's Ubuntu that originated there, and it is the idea that humanity is based on the plural, not the singular. And Ubuntu means essentially I am because we are.