International power is under profound transition, marked by a move towards deep pluralism in the international system whereby range of middle powers have begun to stake greater claim regional power. This shift escalating struggle between United States and China. Both Beijing Tehran share strategic plan undermine US global hegemony, both encountered tensions, sanctions, pressures originating fro...

Iran’s security is affected by a broad region that includes the Caspian Basin, Central Asia, Afghanistan, the Persian Gulf states, Pakistan, Turkey, and the Middle East. However, an increased focus on the countries of the Economic Cooperation Organization (ECO), as well as Iraq, on the one hand, and with members of the Gulf Cooperation Council (GCC) (including Yemen) on the other, provides a na...

Iran is known as the most complex and varied country in southwest Asia, in terms of geography, vegetation, climate and consequently biological diversity. The rather high number of recorded endemic species of Fulgoromorpha in Iran indicates a high potential for speciation in some areas. In this study, in order to identify the endemic zones for Fulgoromorpha of Iran, three main biogeographic regi...

To the Editor: We studied all active-duty Persian Gulf War–era veterans who remained on active duty at the conclusion of deployment (July 31, 1991), not as Leisure et al. stated in their letter “selected, mostly healthy, active-duty Persian Gulf War veterans enlisted as of 1994.” Our study was restricted to hospitalizations of active-duty service members because these were the only service memb...

Numerous studies have investigated the health problems reported by veterans of the Persian Gulf War, but important questions remain. Epidemiologic studies have consistently indicated that Gulf War veterans report unexplained symptoms at significantly higher rates than veteran comparison groups but that they have not experienced excess rates of disease-related mortality. Addressing unanswered qu...