Researchers have developed a way to create stem cells that might be useful in treating diseases without the ethical concerns involving the use of embryonic stem cells.

The New York Times reports that scientists were able to add four genes to skin cells to make stem cells that can change into other types of stem cells.

Two teams of scientists are reporting today that they turned human skin cells into what appear to be embryonic stem cells without having to make or destroy an embryo — a feat that could quell the ethical debate troubling the field.

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