Sheik Yusuf Estes explain about advancement in the various field by Muslim during there Heydays whereas there were Dark-ages for Europe. There was Black plaque spread in Europe due to unhygienic matters in life which are already mentioned in Islam from the Sunnah of Prophet Muhammad (peace be upon him). This section has been taken from program called 'Logic - Facets of Islam' as telecast on Peace TV.
Facets of Islam Video - Yusuf Estes