Hi Ladies and Gents!
Hope that article holds some interest for you as well ;-)
"At what point does sex cease to function as a purely practical means of reproduction? In other words, by what process does sex become something more than just a biological imperative; when do things like eroticism and sexuality emerge in an anthropological context?
Sex and sexuality have obviously been well-established cornerstones of humanity's collective social experience for some time, so answering questions like these is understandably difficult. And yet, logic dictates that there was almost certainly a point in time when our ancestors first started to relate to sexuality in ways that differ from the rest of Earth's species. So when might such changes have occurred?"
see the full article:
http://io9.com/5852161/paleolithic-p...bout-ourselves