Perhaps most excitingly, we are uncovering the brain basis of our behaviors - normal, abnormal and in-between. We are mapping a neurobiology of what makes us us.

The less it is possible that something can be, the more it must be.

We're getting along so well; I trust you so much for this one second that I'm going to let you yank on me.

I had never planned to become a savanna baboon when I grew up; instead, I had always assumed I would become a mountain gorilla.

Until you appreciate something crucial - It is incredibly easy to manipulate us as to who counts as an Us, who as a Them.

Only humans invent moralizing gods who monitor our behavior.

Importantly, rather than promoting aggression, testosterone promotes whatever is needed to maintain status when challenged.