BEIJING: The Chinese scientist behind the world’s biggest cloning factory has technology advanced enough to replicate humans, he said, and is only holding off for fear of public reaction.

But critics say the work raises ethical concerns by bringing the world closer to human cloning. Qiang Sun of the Chinese Academy of Sciences Institute of Neuroscience said the cloned monkeys will ...

Let me begin by saying that I do not support human cloning. It does not feel right to me and, more important, there is a significant likelihood based on animal studies that it would result in high ...