Stress-Induced Stem Cell Method QuestionedHARUKO OBOKATAWhen a team led by investigators at the RIKEN Center for Developmental Biology in Kobe, Japan, reported a new method to reprogram stem cells using an external stressor, such as an acid bath or a mechanical squeeze, several researchers and media reports marveled at the simplicity of their approach. But anecdotal evidence from stem cell researchers trying to replicate the results of th
