The News story ‘Cholesterol limits lose their lustre’ (Nature 494, 410–411; 2013) gave the wrong location for Decision Resources; it is in Burlington, Massachusetts. And the iPS-cell study mentioned in the News story ‘Stem cells cruise to the clinic’ (Nature 494, 413; 2013) was not approved by the review board at Japan’s Center for Developmental Biology but by the central review board at the centre’s parent organization, RIKEN in Wako.