Paleolithic hand ax – why unchanged for 1.5 million years?
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Tag Archives: chimpanzees
Having determined that the various mental illnesses were all reflective of evolved segments of normal emotion, and that the majority of these illness – the anxiety and depression disorders – reflected motivation by aversion to the fears of separation and … Continue reading
Ardipithecus ramidus, nicknamed Ardi, is arguably the most significant fossil find in the history of paleoanthropology due to its completeness and antiquity – 4.4 M. years, just 1.6 M. years after the last common ancestor with Chimpanzees. The theoretician of … Continue reading