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doi:10.1136/bmj.333.7559.112

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Mice born from artificial sperm: Researchers have used sperm produced from mouse embryonic stem cells to fertilise eggs, resulting in the live birth of seven mice (Cell 2006;11: 125-32). However, serious abnormalities in all the mice mean that the technique is still too risky to be used in human reproduction.

Korean scientist admits falsifying data: The South Korean scientist Hwang …