In the 11(th) and 12(th) century the Western caliphate flourished, making Cordoba the capital of physicians and philosophers. During that period lived and practised the famous physician Ibn Zuhr or Avenzoar. In his monumental treatise Al Taysir, Avenzoar provided the first clinical description of a polypoid colorectal tumour as well as the case of a uterine cancer and a basal cell carcinoma. Hi...

<p><em>Umar bin Khattab was the second caliph in history of Islamic rule. Lots progress achieved during period his caliphate. This article compiled order to explain from a historical perspective dynamics government that occurred caliphate Umar Khattab. begins with an explanation process appointing and structure built time along duties functions each structure. With this research it ...

each society requires a kind of management according to its structure and attainment of the goals it has been planned for. the idea of management is not new. long time ago, human had noticed the necessity of using all the facilities and leading them towards scheduled ideals. the kind of managing and leading the society depends on the cultural structure of it. so the way of management and intern...

As Syria prepares to enter its seventh year of war, the tide seems to have turned in favour of the Assad regime. Government forces over-ran Aleppo at the end of 2016, assisted by air support from Russia. President Bashar al-Assad has now regained control of all the major population centres in the country, including the four largest cities. As The Lancet Infectious Diseases went to press, a ceas...

with the advent of islam in iran, many aspects of iranian culture and civilization were changed. one of these areas was the realm of food and customs which finds its final form from second century to seventh century a.d. it was simultaneous with the consolidation of islam dominance in iran during the abbasid caliphate. these changes were injected into iranian society by different pathways. one ...