For Better

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Tara Parker-Pope, who writes the "Well" blog for the New York Times, discusses what the top biologists, neuroscientists, psychologists and other scientists can tell us about marriage and divorce.

In For Better: The Science of a Good Marriage , she shows the science behind why some marriages work and others don't, the biology behind why some spouses cheat while others remain faithful, and the best diagnostic tools used by cutting-edge psychologists to assess the probability of success in getting married, staying married, or remarrying.