All that we are aware of (know) is about 14 billion years old. That, give or take a gazillion years or so, is the approximate age of the Universe, which was so beautifully described thus, by a genius, the late Carl Sagan: “The Cosmos is all that is or ever was or ever will be.” According to those who study such things, earthlings “evolved” about 200,000 years ago and have inhabited the planet ever since. Egypt, Rome and Greece were the Super Powers of their time, with most of the ...