Very true! Egypt was able to continue mostly unscathed. Perhaps this indicates that the Arab golden age was in its twilight? Maybe the Mamluks didn't invest in

Very true! Egypt was able to continue mostly unscathed. Perhaps this indicates that the Arab golden age was in its twilight? Maybe the Mamluks didn't invest in the sciences as much as the Fatimids? And even further west Andalusia was still chugging along. That was definitely an important source of knowledge for the first universities in the rest of Europe.