In the story about Suzanne Topalian in ‘Nature’s 10’ (Nature 516, 311–319; 2014), the text wrongly noted that the July approval for the drug she’d been involved with was in the United States — it was in Japan.

The News Feature ‘Pollution patrol’ (Nature 517, 136–138; 2015) quoted Joshua Apte as saying that air pollution is the largest global health risk. What he meant to say was that it is the largest environmental health risk.