The purpose of the paper is to discuss some potential applications of random media theory to urban modelling, with the emphasis on the intermittency phenomenon. The moment test of intermittency is explained using the model of continuous-time branching random walk on the integer lattice Zd with random branching rates. Statistical moments of the population density are studied using a Cauchy probl...

overcoming spatial and temporal limitation, information and communication technology is today considered as the axis and key to sustained development and as the most important criterion for development which has reshaped the world and life patterns and it is, in fact, considered both the cause and the effect of development. identifying and proper using of new opportunities for sustained develop...

This paper examines the Digital Youth Network as a model for developing youths’ digital literacy through the fusion of in-school and out-of-school new media-based learning activities. Introduction When the 6 graders of today enter adulthood in 2018 what will it mean to be a productive, informed and literate citizen? We contend that being literate in 2018 will require the need to fluidly use mul...

This study addresses the question of whether any facial expressions of emotion are universal. Recent studies showing that members of literate cultures associated the same emotion concepts with the same facial behaviors could not demonstrate that at least some facial expressions of emotion are universal; the cultures compared had all been exposed to some of the same mass media presentations of f...

Background: One of the main indexes of development is health index or the degree to which a society enjoys health and therapeutic services. The present study was done with the aim to analyze development levels in cities in Tehran regarding health infrastructural index using the standardized score and Morris’ model. Methods: This is a descriptive and pragmatic study which ranks 14 cities in T...

background for the purpose of understanding the food and drug administration’s (fda’s) concerns regarding online promotion of prescription drugs advertised directly to consumers, this study examines notices of violations (novs) and warning letters issued by the fda to pharmaceutical manufacturers.   methods the fda’s warning letters and novs, which were issued to pharmaceutical companies over a...