Haiti is the poorest country in the western hemisphere; some say the poorest in the world.
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, receive and share this primordial symbol of a budding partnership.
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 therefore bizarre.
Your face and head give more information about you than any other body part.
We spend our lives trying to get along with people so we can keep our jobs, keep our marriages together, so that we can raise our kids properly.
It certainly would have been adaptive for ancestral man to have a chubby wife during stressful times of famine. Not only would she have had more calories to burn, and thus more energy and endurance, but since fat stores estrogen, she would have remai...
In that early-love stage, you're in that state of exhilaration. You talk till dawn. You become obsessed with 'What does he think?' 'Does he like me?' 'Does he think I'm fat?'
Along with our many human propensities, we evolved a huge cerebral cortex with which we make decisions.
The only people you and I are likely to know in common are people in the news - politicians, journalists and celebrities.
I suspect privacy is a very new concept to humanity.
Office romances are few, short, and not usually destructive.
I can't conceive of caring more about my president than my own partner.
I was married and divorced at 23.
I have always been interested in how you can walk into a room and there will be 40 people there and you are immediately drawn to one.
Since when is anyone truly honest with anyone?
Real competition can drive up testosterone, which boosts libido.
We're not very dangerous animals; we don't have a horn like a rhino or quills like a porcupine.
Liberals and conservatives are looking for entirely different things. Their attitudes toward romance and how they court are really dramatically different. There's almost no overlap.
When somebody leaves Match.com or Chemistry.com, they ask you why you left. One box you can check is, 'I found somebody.' Between 15 and 20 percent of people check that box.
More and more of us live segmented, compartmentalized lives. This isn't natural. For millions of years, our forebears knew everyone around them and everyone knew them.
We evolved in a tropical climate where the smells of plants and flowers were all around us. We spent a lot of time in the trees with a lot of sunlight and no clothes.