'Donor eggs for science' debated
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A watchdog seeks public opinion on women donating their eggs for scientific research.
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PHILADELPHIA _ When the subject is stem cell research, the term embryo is not only ethically charged, but increasingly hard to define.  Now, University of Pennsylvania researchers have stretched the definition even further.
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Openly identifying sperm donors doesn&#39;t seem to lead to problems for the donors or their biological children, according to a US study in the most recent issue of Human Reproduction.
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Lawmakers begin debating legislation this week that would lift a ban on cloning human embryos for stem cell research &#151; a bill that, if passed, could make Australia a world leader in research into diseases such as diabetes and Alzheimer's.
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British regulators will decide on Wednesday whether to permit the creation of hybrid human-animal embryos for research into illnesses such as Parkinson's, Motor Neurone Disease and Alzheimer's.
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Naysayers argue that embryonic stem-cell research deserves no federal funding because it has shown no success. Neither have other heavily funded research programs. By Brandon Keim.
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WASHINGTON -- A procedure that encourages an egg to begin embryo development without being fertilized could suggest a new way to produce stem cells, at least for certain patients.
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A committee hears testimony on the possible usefulness of stem cells and current research restrictions, but it's an argument that boils down to when human life begins. By Kristen Philipkoski.
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Scientists may be allowed to clone embryos from donated tissues without the need for "express" consent.
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About 60 percent of people with frozen embryos stored at U.S. fertility clinics would be willing to donate them for use in human stem cell research, according to a survey released on Wednesday.
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The restoration of a blind woman's sight using foetal tissues is likely to sparked ethical debate, say scientists.
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The British government on Wednesday approved plans to allow women to donate eggs for stem cell and cloning research &#151; and said they will also be entitled to compensation for costs incurred.
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Parents who conceive using donated sperm often opt not to tell the child. But a small study suggests that choosing to be open about it may be good for the parent-child relationship.
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Advances in medical science should lead to improvements in birth control methods -- but current debates remain hung up on teenagers' sex lives. Adult women and men looking for better options shouldn't be left out in the cold. Commentary by Gina Lynn.
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A US firm's controversial proposition to store stem cells from spare IVF embryos has angered UK scientists.
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A scientific panel says a 2002 study that suggested adult stem cells might be as useful as embryonic ones was flawed and its conclusions may be wrong, a finding that raises questions about the promise of a less controversial source for stem cells.
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Couples who have undergone fertility treatment would rather donate their unused embryos to stem-cell medical research than have them destroyed or passed on to other infertile couples, a new survey finds.