We don't just have sex to reproduce—new research suggests that using sex to manage social tension could be a trait that existed in the common ancestor of humans and apes six million years ago. Humans ...
Papers presented at a conference to observe the centenary of the birth of Robert Mearns Yerkes, held at the Yerkes Primate Research Center, Emory University, Oct. 26-27, 1976. Introduction / Austin ...
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