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The Second Act

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Science  17 Jan 2014:
Vol. 343, Issue 6168, pp. 244-247
DOI: 10.1126/science.343.6168.244

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Woo Suk Hwang shot to fame in early 2004 for two papers in Science offering hope that cloned human stem cells could be used to treat diseases. Within months, the South Korean veterinarian had admitted that data in both papers were fabricated, and he was dismissed from his university post. Hwang is now staging a comeback in animal cloning—the field he started out in before his fall from grace.

  • * With reporting by Mi-Young Ahn.