b'When it comes toCrispr, the bacterial w\\xfcnderenzyme that allows scientists to precisely edit DNA, no news is too small to stir up some drama. On Tuesday morning, doctors from Columbia, Stanford, and the University of Iowa published a one-page letterto the editor of Nature Methods\\u2014an obscure but high-profile journal\\u2014describing something downright peculiar.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'