Morally challenged cloning research The headline was buried in the Jan. 21 NewScience article reporting on another potential scandal in the cloning world. This one involved claims made in 2003 by researcher Hui-Zhen Sheng of China. In an paper published in New Scientist, Sheng reported he had successfully harvested embryonic stem cells from rabbit-human embryos, potentially finding a way to alleviate the shortage of human eggs needed for cloning experimentation.Scientists now wary after being duped by fallen clone king Hwang Woo-Suk are sounding the alarm on Sheng, because no one has been able to duplicate his work. Scientists did not...