• The Pew Research Center found that 62 per cent of US adults sometimes get news from social media, and 18 per cent often (16 July, p 20).
• Peter Piot was a member of a collaboration that investigated the Ebola outbreak in what was then Zaire: it was Karl Johnson’s team at the US Center for Disease Control in Atlanta, Georgia, that confirmed Ebola was a new virus (23 July, cover).
• The Patagonian Toothfish is not an invasive species (9 July, p 43).
