Joost comments: «Raids, battles, and ambushes in ancestral environments, and wars in modern environments, may provide an arena for men to signal their physical and psychological strengths. (sciencedaily.com)
The principal investigators of the research — psychological scientists Michael Bang Petersen of Aarhus University, Denmark and Daniel Sznycer of University of California, Santa Barbara — believe that the link may reflect psychological traits that evolved in response to our early ancestral environments and continue to influence behavior today. (sciencedaily.com)
Because sexually desirable traits like masculine appearance in men are thought to have indicated genetic quality in ancestral environments, these couplings outside the primary partnership might have provided an evolutionary advantage for ancestral women. (livescience.com)