The increasing number of aging people around the world, especially in developing countries, and its economic, social, and health consequences demonstrate the necessity of studies focusing on the elderly. The results of the studies can provide ways for solving the existing and future problems that are associated with the aging population. Although research studies on elderly are conducted in Ira...

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in recent years, biotechnology has provided the possibility of creating genetically modified (gm) organisms by transferring genes from sources such as viruses, bacteria, animals, and plants into usually unrelated species. this ability to overcome insurmountable physiological barriers by exchanging genetic materials among all living organisms is a double-edged sword. on the one hand, it allows t...

this paper using endogenous growth models based on research and development, has investigated two economic relations in three groups of countries included developed countries, developing countries and a mixed group of both mentioned ones. at first, the effects of r&d; activities on patent growth have examined and then the relation between volume of patent and growth rate in these groups has sur...

Two overarching trends are arising as particularly important, especially for developing countries. First, developing countries have, over recent years, been increasingly fuelling global economic growth, merchandise trade and demand for maritime transport services. Second, increased specialization in the supply of maritime transport services has gathered traction as developing countries continue...