University of Wisconsin
The Why Files: Stem Cells
The Why? Files have provided a fantastic site about stem cells. Stem cells are described in detail and their role in the body. The content is mildly controversial and opinionated.
Other
Canadian Institutes of Health Research: Human Stem Cell Research [Pdf]
A recent study in which the authors examined the health and ethical issues related to human stem cell research. As a result of this study, Canada did allow human stem cell research to proceed. The report is in PDF format.