Love makes us feel warm and mushy, but the sweet sting of Cupid's arrow makes a compelling chemistry lesson, too. Research into animal mating and human courtship provides clues to an eternal mystery: what's the purpose of love?
Learn lessons from the family values of field mice, and affectionate same-sex penguin pairs. Plus: Darwin's take on speed dating, and the science of smooching.
Guests

Helen Fisher - Anthropologist, Rutgers University
Sarah Woodley - Biologist, Duquesne University
Skyler Place - Doctoral Student, Indiana University's Department of Psychological and Brain Sciences
Larry Young - Neurobiologist, Emory University
Marlene Zuk - Biologist, University of California, Riverside

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