3min chapter

The Jordan B. Peterson Podcast cover image

249. Primatologist Explains the 1% Difference Between Humans & Apes | Richard Wrangham

The Jordan B. Peterson Podcast

CHAPTER

The Evolution of Homo Sapiens

A small percentage of two year olds are spontaneously aggressive. That's the residue of a population that would have been 100% like that. If you go back 300,000 years ago, all our babies would have been highly aggressive and would have retained that aggressiveness throughout life. And there is evidence for reduced brain size in homo sapiens compared to our earlier phases. But no, not necessarily any loss of cognitive power.

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