Polymers: The second century

arabic language spread in khorasan (from the second century to the fifth century)

arabic language spread in different parts ofpersiaafter arabic-islamic expansion in this territory. the iranians were interested in learning arabic, because it was the language of the qoran and islam and its injunctions which were based on monoism and unity of god; and equality and justice this is why one not find a book composed in scientific or historical or religious subjects or on etics dur...

Investigating the Structure and Organization of Hospitals in Islamic Civilization (From the middle of the second century to the middle of the eighth century AH)

Muslims learned how to build a hospital using the experiences of physicians from other nations, especially Iranians, by modeling at Jundishapur Hospital, and this way set up many hospitals. In addition to building a variety of hospitals, Muslims created efficient structures and organized them based on bosses, deputies, stewards, supervisors, nurses, and the like, who served in different parts o...

The Genetic Map Enters Its Second Century

The Genetics Society of America (GSA) Medal is awarded to an individual for outstanding contributions to the field of genetics in the past 15 years. Recipients of the GSA Medal are recognized for elegant and highly meaningful contributions to modern genetics and exemplify the ingenuity of GSA members. The 2015 recipient is Steven Henikoff, whose achievements include major contributions to Droso...

The Journal prepares for its second century

ith this issue the journal introduces the first major change in its format in more than nine decades of publication. To be sure, there have been many modifications in typography and details of style during and after the development ofthe familiar format that has characterized theJournal since the early part of this century, but at no time have substantial changes been instituted. It may seem li...

Science in colorado: the second century begins.