Advances in molecular biology, immunology and cell culture is opening new era in the life sciences. Our knowledge on the understanding of living system is increasing each year. The knowledge has expanded overwhelmingly in last decades. Many new technologies are developed in recent years, which are able to answer many unsolved questions regarding life processes. With the new technologies and knowledge, life scientists are seeking answers to many questions regarding the prevention of life threatening diseases, solving the environmental problems threatening our planet and increasing production to fulfill the ever growing demand of world population. The technologies... ... ...