Bloomberg via Getty ImagesShunsuke Ishii, a molecular geneticist at Riken and head of the research investigation committee, center, speaks as he looks at a screen displaying an interim report on the research investigation into doubts about the stimulus-triggered acquisition of pluripotency (STAP) cell papers, published in Nature Publishing Group's Nature scientific journal during a news conference in Tokyo, Japan, on Friday, March 14, 2014. Japan's Riken center apologized for errors in a pair of studies that had outlined a simpler, quicker way of making stem cells and said the institute is considering recommending a retraction. Photographer: Kiyoshi Ota/Bloomberg via Getty Images
