multinational corporations (mncs) are major actors in contemporary world. their negative and positive impacts on human life make clear the need for expanding their responsibilities. the aim of this article is to show how responsibilities of mncs evolve during recent 50-60 years. through two sections, the article examines vertical and horizontal expansion of mncs’ responsibilities and then recen...

Because of continuous decrease fuel fossil reserve in earth, the whole world is now turning to renewable energy sources like solar, wind, geothermal, hydropower etc. In addition, it can be said that ultimate source on earth sun with a few exceptions. And also cleanest without any pollution. The power value 1.74 x 1017 watts receives by and consumes about 1.2 1013 per day. We are attempting devo...

DNA barcoding has transformed the fields of ecology, evolution, and conservation by providing a rapid effective tool for species identification. The growth barcodes as resource biologists followed advances in computational sequencing technology that have enabled high-throughput applications. global barcode database is expanding to represent diversity on Earth thanks efforts international consor...