A trial

Our mating minds—the glory of romance, the flush of passion, the triumph of love—are fortunate products of this evolutionary process.

I’ve come to believe that human mating strategies permeate nearly every human endeavor. I see them everywhere. They shape status hierarchies among women and foster sexual treachery among men. They delay male puberty early in life while causing premature death at the other end—both products of mate competition. They unite people in love’s embrace and drive mates apart with jealous rages and sexual …

Social psychology: the influences that people have upon the beliefs or behavior of others.

At the end of only six days we had to close down our mock prison be-cause what we saw was frightening. It was no longer apparent to us or most of the subjects where they ended and their roles began. The major-ity had indeed become "prisoners" or "guards," no longer able to clearly differentiate between role-playing and self. There were dramatic changes in virtually every aspect of their behavior, …

Hindsight bias, which refers to our tendency to overestimate our powers of prediction once we know the outcome of a given event.

Our mating minds—the glory of romance, the flush of passion, the triumph of love—are fortunate products of this evolutionary process.