Love, Sex and Science

Dating sites use algorithms to find connections between potential partners. Technology is apparently making dating easier but can these methods actually change our perceptions of what we desire?
Meeting with anthropologists and scientists, reporter Aaron Lewis learns that love "is involuntary, part of our survival system, like hunger or thirst". Now DNA testing can determine genetic predispositions to love and predict how long a relationship will last. "All of us have our own unique formula and knowing your chemical make-up can help you find true love."
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