• The bee in the illustration to the article “Where have all the honeybees gone?” (22/29 December 2007, p 22) was not a honeybee, but a female solitary mining bee of the genus Colletes.
• We misnamed Kanav Kahol of the Banner Good Samaritan Medical Center in Phoenix, Arizona, who researched surgeons’ performance after playing games (19 January, p 24). Sorry.
• Burton on Trent is in Staffordshire, UK (15 December 2007, p 21).
