Can one be an advocate for embryonic stem cell research while opposing human cloning experimentation? That's the question facing about 30 U.S. senators who have not yet taken a position on human ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo collage of rhesus monkeys on top of microscope photography of cells. Researchers in China have successfully cloned the first ...

CLONING ADVOCATES are playing a shell game with the American people. At the federal level, they advocate the legalization of human cloning but assert that cloned embryos should be destroyed after 14 ...

Scientists say they’ll go ahead anyway. Lawmakers, seeking to rein in the scientific appetite for human experimentation, are attempting to ban human cloning. On July 31, the House approved a bill, 265 ...

Only a handful of laboratories around the world are pursuing human-cloning experiments. Researchers at Harvard are now trying to get approval from university and hospital review boards to start their ...

The cloning era began when Dolly the sheep was manufactured in 1996. Dolly was cloned via somatic cell nuclear transfer (SCNT). This is accomplished by removing the nucleus from a skin or other cell ...

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Scientists in Massachusetts said yesterday they had succeeded in creating the world's first cloned human embryos, a controversial advance intended to speed the development of new medical therapies but ...

The world has now learned of a surprising scientific advance: so-called “synthetic embryos.” Their arrival promises to reveal to medicine previously hidden glimpses into problems of early pregnancy.

Researchers in China have successfully cloned the first rhesus monkey, a species widely used in medical research because of its physiological similarity to humans. The monkey, named Retro, is now more ...