Description: Observing the fact that more than 98 percent of human genes are shared with two species of chimpanzee Jared Dimond calls humans the 'third' chimpanzee. He then sets about looking at how our animal natures effects our behaviour - we may think we have developed a unique culture as homo-sapiens but it is influenced by our animal origins.
Relevance: A key part of the overall Human Activity System, which I describe, is our animal natures