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An Alternative to Cloning
"Media reports generally mention only two ways to produce human embryonic stem cells. ... In this conversation with Ann Kiessling of Harvard Medical School, NOVA scienceNOW's Kyla Dunn learns about a third and possibly less contentious approach. It has the tongue-twisting name 'parthenogenesis' [when an egg activates spontaneously on its own]." Also includes a discussion of the controversy about research on this topic.
http://www.pbs.org/wgbh/nova/sciencenow/3209/04-alternative.html
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