In an E-mail, the journal cited the highly publicized 2004 fraud that came out of South Korea, where researchers led by Hwang woo-Suk claimed to have produced stem cells from a cloned human embryo.

在一封e - mail中，自然杂志特别引用了2004年广为传播的韩国Hwang woo - Suk小组得到人类克隆胚胎的丑闻。

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The achievement is a long way from creating a cloned human embryo.

WSJ: Experiment Brings Human Cloning One Step Closer

It still took hundreds the last time the Koreans announced that they had cloned a human embryo.

NPR: Slate's Human Nature: S. Korean Stem Cell Advance

On Thursday a team of researchers at Newcastle University in the UK, which hopes to join South Korea in the forefront of stem cell research, also said they had successfully cloned an human embryo.

CNN: Cloning success hailed, feared