Race and IQs

[Minimalist]

I recall when Jensenism was a big topic of discussion.  The idea as I recall was that sub-saharan Africans suffered from being isolated from the wider gene pool across Eurasia because of repeated migrations back and forth.

The problem was that sub-saharan Africa was not all that isolated because of virtually continuous contact with Arab/Indian merchants and or slave traders on the East Coast and the activities of traders in West Africa penetrating the desert.  Timbuktu was a center of such trade as shown here:



Jensenism was dismissed as racist claptrap.