Feminist academicians, for as long as there have been feminist academicians, have been insisting that gender is a social construct; that there is no innate biological difference between men and women and that everything we do is a product of socialization. Of course, that is just bullshit. Throughout the animal kingdom there are plenty of examples that stand in stark contrast to feminist views, held religiously close by the ideologies followers. Check out this cogent and reasonable video, rooted in the tenets of human sociobiology.
