•In the obituary of Edward M. Purcell by Nicolaas Bloembergen (Nature 386, 662; ( 1997)), Purcell's lecture on the locomotion of bacteria in fluids was cited as Life at High Reynolds Number, rather than correctly as Life at Low Reynolds Number.

•The figure in David Jablonski's News and Views article (“Progress at the K-T boundary”: Nature 387, 354–355; (1997) ) was misattributed. It was modified, not from reference 17, but from ref. 15 (Marshall, C. R. in The Adequacy of the Fossil Record (eds Donovan, S. K. & Paul, C. R. C.) (Wiley, Chichester, in the press). Thanks are due to Charles Marshall for helping to prepare the modified version of the figure.