Two independent studies by Columbia scientists suggest that research into the gut’s stem cells over the past 15 years has been marred by a case of mistaken identity: Scientists have been studying the wrong cell. Two independent studies by Columbia scientists suggest that research into the gut’s stem cells over the past 15 years has been marred by a case of mistaken identity: Scientists have been studying the wrong cell. Cell & Microbiology Molecular & Computational biology Phys.org – latest science and technology news stories