In recent years, social network sites exploded in popularity and become an important part of the online activities on the web. This success is related to the various services/functionalities provided by each site (ranging from media sharing, tagging, blogging, and mainly to online social networking) pushing users to subscribe to several sites and consequently to create several social networks f...

EDITOR—A ban of a medical intervention would never be supported on the basis of such meagre evidence as used by Waterston to support a ban of the parental intervention of smacking.1 “Significant adverse effects” and a failure to “learn the desired behaviour” were based on a literature review that is unpublished2 and that includes studies that included severe types of corporal punishment such as...

the purpose of this study was to investigate the motives and reasons of non-physical education graduates to continue their education in postgraduate physical education discipline. research method was descriptive. the statistical sample of the research consisted of physical education students of the universities in tehran who were studying in 2009-2010 educational disciplines. 136 subjects were ...

it is disputed whether the law is an autonomous discipline or not? the adherents of the autonomy of law mainly are they, legal scholarship should be about distinctively legal topics and is not or should not be about other topics. the supporters of dependence of law mainly are legal realism, economic analysis of law, law and society, critical legal studies movement. they say the governing presup...