Legal challenge to human cloning
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Opponents of human therapeutic cloning begin a legal challenge to the granting of the first UK licence.
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Scientists use cloning to create personalized stem cell lines in monkeys.
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A couple whose frozen embryo was accidentally destroyed at a fertility clinic has the right in Illinois to file a wrongful-death lawsuit, a judge has ruled in a case that some legal experts say could have implications in the debate over embryonic stem cell research.
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Britain&#39;s leading academic institution is backing an international campaign to stop the US securing an international ban on all forms of human cloning.
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The scientist who attracted the world's attention by cloning Dolly the Sheep is about to take another major step for medical research: cloning human embryos and experimenting on them with the British government's permission.
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Two competing resolutions are put before members of the United Nations as they  debate the contentious issue of whether to ban cloning or to allow human embryos to be used for research.
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Researchers who once dismissed another team's cloning method used the disputed process to create monkey embryos. By Kristen Philipkoski.
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Britain's leading scientific institution said Monday it is urging countries to back a campaign to stop a possible ban on stem cell research as part of a global treaty banning human cloning.
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The technology for human facial transplants exists, but ethicists are worried about using it.
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A UK company is applying for permission to transplant stem cells made from human foetal tissue into the brains of stroke patients.
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The US Supreme Court is to hear a challenge to lethal injections that has halted executions for months.
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Legal authorities faced an ethical dilemma over whether doctors should continue to prolong the life of a nine-month-old baby who suffers from a rare genetic disorder.
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Leading scientists make final plea for the right to create the first animal-human embryos to help advance understanding of genetic diseases.
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Legal authorities in Britain faced an ethical dilemma over whether doctors should continue to prolong the life of a nine-month-old baby who suffers from a rare genetic disorder.
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The United Nations abandons efforts to ban all cloning and opts for a non-binding resolution. It's a blow to President Bush's efforts to push a ban and a victory for embryonic stem cell researchers. By Kristen Philipkoski
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Britain's leading scientific institution  said Monday it is urging countries to back a campaign to stop a  possible ban on stem cell research as part of a global treaty  banning human cloning.
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Stem cells from human embryos are seen as the future of medicine, but a major ethical question surrounds the research: Should federally funded scientists be allowed to extract the cells from embryos, a process which destroys them? Current U.S. laws clearly say &ldquo;no.&rdquo;  Ian Wilmut, who made history when he cloned  Dolly the sheep in 1996, is now calling on scientists to inject human DNA into animal egg cells as a workaround to ethical and legal roadblocks. His commentary appears in Nature Reports Stem Cells, an online stem cell resource created by the journal Nature. ...