An entirely appropriate stew of scientific vexation and mortification has accompanied revelations that the incredible Korean achievements in human embryonic cloning and stem cell research are exactly ...

Scientists have used cloning to create human embryonic stem cells, a step toward developing new medical treatments, but one that might also hasten the day when it will be possible to create cloned ...

But we have also learned something else: Over one-third of the House of Representatives believes that corporations and researchers—like Advanced Cell Technology in Worcester, Massachusetts, which has ...

An advisory committee appointed by President Bush to study modern medicine's bioethical frontiers has completed its highly anticipated report on human cloning without reaching a consensus as to ...

SEATTLE - In a clash of politics and science, the first successful cloning of a human embryo - and the extraction of stem cells from it - has ignited new calls for a ban on all forms of human cloning ...

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 ...

Reproductive Cloning is the process of making a full living copy of an organism. Reproductive cloning of animals transplants nuclei from body cells into eggs that have had their nucleus removed. That ...

SAN JOSE, Calif. -- As they spar over stem cell research, both President Bush and Sen. John Kerry say they want to develop the technique so it can cure such afflictions as Alzheimer's disease and ...

WHEN IS A CLONE not a clone, and an embryo not an embryo? When the biotech lobby wants to persuade Americans that creating a cloned embryo and then destroying it for the sake of medical ...

(CNN) -- A human embryo, containing about a couple hundred cells, is smaller than the period at the end of a sentence. Scientists need strong microscopes to see these precursors to life, and to take ...