Stem cells and cell culture has been in the news a lot because of the possible health benefits it can give to people. For example, undifferentiated pluripotent stem cells can have the potential for unlimited expansion with the retention of normal karyotye and the ability to generate cells of three germ layers. There are many different types of cells that you should read about such as Embryonic stem cells & IPS cells and Hematopoietic stem & progenitor cells. If you want to learn more about stem cells and the variety of research, you should visit this website and read all their important information.