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Sex at Dawn

Exploring the evolutionary origins of modern sexuality.
by Christopher Ryan
Christopher Ryan, Ph.D. is co-author of Sex at Dawn: The Prehistoric Origins of Modern Sexuality (HarperCollins 2010). See full bio

Comments on "The Many Fathers of Barack Obama"

The Many Fathers of Barack Obama

By Christopher Ryan on August 30, 2008 in Sex at Dawn

Barak Obama was raised without a father, but he's far from fatherless. Read More

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