Helen Fisher

Hair that gleams can send a clear sign that you're young and in your prime, whatever your actual age.

I think that property is very important in this day and age. It defines you; you worked hard to get it. It's meaningful to you, and when you divorce, a lot of people have a lot of battles over their property for good reasons.

Every time you cuddle with your children, you're likely to be driving down your testosterone.

Women apparently are quite drawn to men who have differences rather than similarities in their histocompatibility system. They pick it up by smell, and they can pick it up from kissing.

Scientists know that women gravitate to men who have a different immune system from theirs.

Any time you choose not to hide your tattoo, you're limiting your social sphere, because they're not popular in big business.

Games are the way we keep romance alive. They're based in human hardwiring. Playing hard-to-get or leaving a little to the imagination allows the woman to be wooed and appreciated and the man to be challenged and intrigued.

Kissing is not just kissing. It is a major escalation or de-escalation point in a powerful process of mate choice.

The women's movement is just a symptom of basic changes in the economy that are favoring women.

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 status and are more likely to walk out to protect their self-esteem or save face.

Women, it turns out, are built to lead - particularly in the modern world.

As a group, anthropologists are not too fond of people who work in the business world.