They do theorize the harsh winter conditions are what selected for European's highly cooperative genes to ensure survival. It'll be a good test of which ones are actually half as empathetic as they pretend to be, and teach them the necessity of cutting off parasites.
They do theorize the harsh winter conditions are what selected for European's highly cooperative genes to ensure survival. It'll be a good test of which ones are actually half as empathetic as they pretend to be, and teach them the necessity of cutting off parasites.