• Nearly two years ago, in an article on early human migrations (27 October 2007, p 36), we mislabelled the Wally’s Beach archaeological site as being in the US, when its position on our map correctly shows it to be north of the border in Canada.
• Serguei Komissarov, whose calculations on gamma-ray bursts we reported (15 August, p 13), is at the University of Leeds, UK.
• E. O. Wilson proposed the Encyclopedia of Life project in 2003, not as we reported (22 August, p 23), and its financial backers are promising $30 million not $50 million.
