The News story ‘Academics across Europe join ‘Brexit’ debate’ (Nature 530, 15; 2016) should have made it clear that Brexit would mean that the United Kingdom would have to renegotiate access to ITER but that it wouldn’t necessarily go to the back of the queue. And the News story ‘Zika raises wider birth-defect issue’ (Nature 535, 17; 2016) wrongly said that Stanley Plotkin has retired, he is still working at the University of Pennsylvania in Philadelphia.