| NOVA Online | Life's Greatest Miracle | The Stem-Cell Debate http://www.pbs.org/wgbh/nova/miracle/stemcells.html Stem-cell research has enormous potential value in both medical and commercial terms. Stem cells are the progenitors of all specialized cells in the body. Blood stem cells (hematopoietic cells) reside in bone marrow and continuously produce a variety of blood and immune system cells. | |
| Stem Cell Topic: The Stem Cell Debate: Ethical Questions http://www.counterbalance.net/stemtp/index-frame.html The story for the year 1997 was the cloning controversy, the public debate over cloning human beings. Ian Wilmut, the laboratory midwife to the world famous sheep, Dolly, never intended to clone a human being. | |
