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Humanity is simultaneously incredibly kind and incredibly violent. We commit indescribable atrocities, but also acts of incomprehensible compassion. There is both horror and beauty in our history. Which leads to the question\\u2026 how do we reconcile this inherent contradiction? It all goes back to our biology, according to Robert Sapolsky, a neurobiologist at Stanford and author of the book \\u201cBehave: The Biology of Humans at our Best and Worst. In fact, all questions about human behavior are, at their core, about biology.