The two elements in the key for the map in the News story ‘Microcephaly surge in doubt’ (Nature 530, 13–14; 2016) were accidentally swapped round. The corrected graphic can be seen at The dollar conversion of €4.6 billion in the News story ‘Science hubs win in major revamp’ (Nature 530, 18–19; 2016) should have been US$5 billion not $5 million. The News story ‘Academics across Europe join ‘Brexit’ debate’ (Nature 530, 15; 2016) erroneously stated that the latest UK contribution to the EU budget was €140 billion. In fact, it contributed around €17 billion.