How much you groom somebody else is more important than who grooms you.

On an incredibly simplistic level, you can think of depression as occurring when your cortex thinks an abstract thought and manages to convince the rest of the brain that this is as real as a physical stressor.

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

The frontal cortex doesn't even fully develop until age 25, which is wild!

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

The regulation of genes is often more interesting than the genes themselves, and it's the environment that regulates genes.

Brains distinguish between an Us and a Them in a fraction of a second. Subliminal processing of a Them activates the amygdala and insular cortex, brain regions that are all about fear, anxiety, aggression, and disgust.