scholars recognised that cultural factors prevented these Chinese achievements from developing into what might be considered "modern science". It was the religious and philosophical framework of the Chinese intellectuals which made them unable to believe in the ideas of laws of nature: Islamic science There are many time periods involved within the history of science which is still continued to this day. One major tine period is between the 7th and 16th century which marks the time period of the embarking of Islamic science under the development of islamic civilizations. The are many reason why science flourished in this time period within the region. The most important reason being was that islamic religion and the islamic government greatly supported the ones researching and further expanding their knowledge on science, The researchers were also greatly respected by the people. Within the people researching there was Ibn Sina, out of the many things he did including writing The Canon of Medicine; he established free hospitals and developed many great treatments unknown to man. Another person to receive recognition was Al-Riza who wrote Treatise on Small-poxs and Measles, he created separate wings in hospitals for the mentally ill which was un-heard of. Besides these two men there are many other researches who expanded the knowledge of Science within the Islamic civilizations. When there is a rise there will always be a fall. The reign of knowledge pertaining to Science has mostly come to an end in the islamic civilizations. When religious leaders started to gain more political power within the community the more research done on scientific topics started to come to a halt. Islamic medicine During this time period many attributions were made to the medical knowledge known to man and this completely changed the face of medicine before this time. Before this time there was some knowledge that the islamic researches and people had access to like Hippocrates and Galen being the main two, with this knowledge they could further expand the topics of Medicine. Like said before one of the two main physicians within this time period was Ibn-Sina what wrote " The Canon of Medicine" was a very important figure within the expansion of knowledge. The Canon of Medicine, which is still the most popular and used medical textbooks in the world. This book is divided into fiver chapters; Chapter one : is a basic knowledge over medical principles