There is a lot of information you should know about stem cells. STEMCELL Technologies offers a range of highly specialized cell culture media optimized for maintenance, differentiation and cryopreservation of hiPSC and hESC. This website tells you about how Embryonic stem cells & iPS cells have the potential for unlimited expansion with the retention of normal karyotype. They talk about the Hematopoietic stem & progenitor cells can be found in a variety of different tissues. They also talk about Mesenchymal stem cells and the Neural stem & progenitor cells. They discuss the Mammary epithelial cells and the Prostate epithelial cells as well. All of this great information can be found at Stemcell.com where you can learn the importance of Stemcell research.