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Triune-brain Quotes

It is precisely our plasticity, our long childhood, that prevents a slavish adherence to genetically...

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Picture of Carl Sagan
Carl SaganDragons of Eden: Speculations on the Evolution of Human Intelligence

MacLean has shown that the R-complex plays an important role in aggressive behavior, territoriality,...

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Picture of Carl Sagan
Carl SaganDragons of Eden: Speculations on the Evolution of Human Intelligence