Bones, stones and tools don’t mean much if they aren’t properly understood. :)
What I mean by this is that it is generally taught, that man’s existence can almost be traced by a linear graph, from the jungles of Africa to a paleontological and brutish existence, eventually our current existence which is the most advanced today.
In truth, there is plenty of evidence that shows our existence has gone up and down. We’ve gone from periods of primitiveness to advancement and back to primitiveness and back to advancement.
Da-yam! It's nice to deal with someone who gets it!