Larger penis size influences female attraction and male rival threat perception, highlighting how sexual and competitive pressures together shaped human sexual evolution.
Why do humans have larger penises than other primates? New research tests attraction, rivalry, and sexual selection for ...
Cat Bohannon's "Eve" is vaguely intimidating. Fine, more than a little intimidating. It's more than 600 pages, promising to cover 200 million years of human evolution. The young adult adaptation, just ...
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