On the other hand we know a lot about mineral and vitamin deficiencies and their effects on IQ nowadays so in many cases whole cultures were on average actively stupider than us. Perhaps an explanation of the Great Man theory of history is that for a long time history was dominated by the few who happened to be lucky enough to avoid any severe nutritional deficits.
On the other hand we know a lot about mineral and vitamin deficiencies and their effects on IQ nowadays so in many cases whole cultures were on average actively stupider than us. Perhaps an explanation of the Great Man theory of history is that for a long time history was dominated by the few who happened to be lucky enough to avoid any severe nutritional deficits.