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Stem Cells Breakthrough
Three separate teams overcome a biomedical hurdle: creating stem cells without the use of human embryos.
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Stem Cells Poll
Should we create human embryonic stem cells through cloning?
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Stem Cells: Early Research
NOVA scienceNOW's first story on stem cells covered the hopes and controversies of stem cell research in 2005.
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Stem Cells Breakthrough: Q&A
George Daley of Children's Hospital Boston answers questions about stem cell research.
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