Sex at Dawn

Exploring the evolutionary origins of modern sexuality.
by Christopher Ryan

"Open Marriage" Hits the Mainstream

By Christopher Ryan on January 22, 2012 in Sex at Dawn

The New York Times asked us to chime in on the "open marriage" discussion provoked by Newt's ex. Read More

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Christopher Ryan

Christopher Ryan, Ph.D., is co-author of Sex at Dawn: The Prehistoric Origins of Modern Sexuality (HarperCollins 2010).

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