“Their goal, the scientists say, is not to clone humans but to advance understanding of the causes and treatment of disease.

But the work makes the birth of a cloned baby suddenly more feasible. For that reason, it is likely to reignite the fierce debate over the ethics of human cloning.

The work was led by Dr. Woo Suk Hwang and Dr. Shin Yong Moon of Seoul National University and will be published tomorrow in the journal Science.” — New York Times