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Yet a swift investigation by Nature and several stem-cell researchers found that Moriguchi’s claim to have cured six heart-failure patients with cells derived from iPS cells was untrue; that he had lied about his university affiliations; and that he had plagiarized key parts of his research papers. At a hastily convened press conference on 13 October, Moriguchi recanted. “I admit that I lied,” he told reporters, adding that his “career as a researcher is probably over”.
The sad episode could be written off as one researcher’s runaway fantasy. But it highlights the febrile nature of the iPS-cell field, particularly...