Desire and DNA: Is Promiscuity Innate? (washingtonpost.com): "A fierce debate about whether jealousy, lust and sexual attraction are hardwired in the brain or are the products of culture and upbringing has recently been ignited by the growing influence of a school of psychology that sees the hidden hand of evolution in everyday life.
Fresh sparks flew last month when a study of more than 16,000 people from every inhabited continent found that men everywhere -- whether single, married or gay -- want more sexual partners than women do."
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