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In the past two decades, an explosion of research has generated many compelling insights-as well as hotly debated controversies-about the evolutionary bases of human nature. This important volume brings together leading proponents of different theoretical and methodological perspectives to provide a balanced look at 12 key questions at the core of the field today. In 43 concise, accessible chapters, followed by an integrative conclusion, the contributors present viewpoints informed by human behavioral ecology, evolutionary psychology, and gene-culture coevolutionary approaches. Topics include...

Research conducted in the last fifteen years has placed in question many of the traditional conclusions scholars have formed about human female sexuality. Though conventional wisdom asserts that womens estrus has been evolutionarily lost, Randy Thornhill and Steven W. Gangestad assert that it is present, though concealed. Women, they propose, therefore exhibit two sexualities each ovulatory cycleestrus and sexuality outside of the estrous phase, extended sexualitythat possess distinct functions. Synthesizing research in behavioral evolution and comparative biology, the authors provide a new...