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Of all the foods we share, there is nothing more primordial than meat. It's no surprise that meat-eaters still want a partner who will give... →
When chimps threaten, they open their mouth and show their teeth. It's a little like waving a knife in front of you. It's very primitive, and... →
Whether you're married or not, relationships - and the satisfaction tied to them - are extremely important for increasing men's and... →
A hundred years ago, if you had a child out of marriage, you'd be a social disgrace. Today women feel comfortable enough economically and... →
Neither gender is routinely more jealous - although women are more willing to work to win back a lover, while men tend to flaunt their money and... →
You can get into a very fancy car and know everything about the engine, but when you drive in that car, you feel that rush. In the same way, I think... →
Along with our many human propensities, we evolved a huge cerebral cortex with which we make decisions.
When you fight, anger drives up testosterone in both men and women.
Women, it turns out, are built to lead - particularly in the modern world.
There are cognitive processes and limbic reactions associated with basic emotions. And you can change brain chemistry, but you're still not going... →
A woman of 40 or 50 or 60 can take estrogen replacements, get facelifts, spend her money in bars.
I suspect privacy is a very new concept to humanity.
People compose poetry, novels, sitcoms - for love.