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Embryonic stem cell research is the manipulation and destruction of human life shortly after conception in order to divide in a laboratory culture and produce specialized cells supposedly to treat disease.

Embryonic stem cell research is the utilization of [[stem cells|stem cells]] from embyros which can then be grown laboratory culture and produce specialized cells supposedly to treat diseases or used for research purposes. A common source of such cells is discarded embryos at fertility clinics. The use of embryonic stem cells in medicine has met with some controversy, particularly from the pro-life movement that is concerned about the destruction of embryos that they believe constitute human lives.[http://www.washingtonpost.com/wp-dyn/content/article/2005/07/29/AR2005072900158.html]

Adult stem cell research is similar except it does not use or destroy embryos, and instead is based on extra stem cells that can be taken without harm.

Adult stem cell research is similar except it does not use or destroyed embryos, and instead is based on stem cells that can be taken from adults. These cells so far have proven less potent than those harvested from discarded embryos, but they do not raise the associated ethical dillemas.[http://www.isscr.org/science/faq.htm]