Migration and Return Migration: A New Look at the Eastern Kentucky Migration Stream

The New Migration: Global Labour Markets and Return Migration

A REVIEW OF NEW THEORIES IN MIGRATION

Migration is the permanent movement of some people called migrant, from one place to another for some reasons and values. Their migration is determined by some values and goals that lead to changes in migrants’ interaction system. In human history the shape of migration was changed due to social and environmental changes. From the eve of 19 century migration became important social phenom...

Elderly Migration and Its Correlates in Iran

Objectives: When it comes to migration, the migration of young people comes to mind and the migration of the older adults is ignored. While, migration after retirement is an important and increasing phenomenon. The reasons and destinations of migration of the older persons are different from those of the young. Young people usually migrate to urban destinations and further distances with more ...

Cortisol and Pacific Salmon: A New Look at the Role of Stress Hormones in Olfaction and Home-stream Migration.

Pacific salmon (genus Oncorhynchus) exhibit an interesting and uncommon life-history pattern that combines semelparity, anadromy, and navigation (homing). During smoltification, young salmon imprint on the chemical composition of their natal stream water (the home-stream olfactory bouquet or "HSOB"); they then migrate to the ocean where they spend a few years feeding prior to migrating back to ...

A Versioning Approach to VM Live Migration

In the context of virtual machines live migration, two strategies called “pre-copy” and “post-copy” have already been presented; but each of these strategies works well only in some circumstances. In this paper, we have a brief presentation of QAVNS and then introduce a new approach which is based on the concept of "informational object", assigning QAVNS-scheme-revision number, and observing th...