Wild Connections

What blue-footed boobies and other animals tell us about human relationships

What's in a Kiss?

Why do we kiss? Scientists speculate that we get information about hormone levels, health, and even relatedness, by kissing. And we aren’t the only ones who do it. Whether given as a greeting, a sign of affection, or tentatively in those first stirrings of attraction kissing happens in a variety of animals from ants to prairie dogs. Read More

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Jennifer Verdolin, Ph.D. is an animal behavior expert currently studying lemur personality and social networks at Duke University.

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Who says marriage is where desire goes to die?