Stem Cells: A Primer - covers what pluripotent and stem cells are, how they are derived, why they are important to science and for advances in health care, as well as what adult stem cells are. From the National Institutes of Health.
Do No Harm - coalition of researchers aiming to advance the development of medical treatments and therapies that do not harm human life.
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Biotechnology Information Center - provides information on the theory and techniques of genetic engineering. From the U.S. National Agricultural Library of the Department of Agriculture.