article_snippet.sent: Although the scientific paper is yet to be published, the world is abuzz with rumours that the work has been carried out.
article_snippet.sent: He said: 'There is a paper from China.
article_snippet.sent: He comments match those made by several leading scientists working with non-reproductive stem cells who have raised concerns over the technology.
article_snippet.sent: Dr Yang, however, has been reported to have been involved in a similar project in China.
article_snippet.sent: Edward Lanphier, chairman of the Alliance for Regenerative Medicine in Washington DC, and four colleagues, wrote in the journal Nature that such research could harm other areas of science by provoking a public outcry.
highlights_snippet.sent: Leading researchers have called for a halt on such research until the implications and safety of the technology can be properly explored .
  