Paleolithic hand ax – why unchanged for 1.5 million years?
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Tag Archives: Charles Darwin
To me, Charles Darwin’s discovery of sexual selection rivals that of natural selection. In natural selection, the selecting is done totally by nature and change is rendered through chance mutation of genes. In sexual selection, a portion of the power … 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
While in my residency, Freudian psychoanalytic theory was still dominant. There are several cornerstones from my training that, through all the vicissitudes of my career, remained as foundations. First and foremost is the validity of the mind as a subject … Continue reading