• The full list of co-authors of Principles of Development by Lewis Wolpert (reviewed in Nature 391, 857; 1998) should have read: Rosa Beddington, Jeremy Brockes, Thomas Jessell, Peter Lawrence and Elliot Meyerowitz.

• Some lines dropped off Derek Fordham's review of Nansen (Nature 391, 137; 1998). The sixth paragraph should start: “When it became clear the Fram would not drift over the North Pole, Nansen and Hjalmar Johansen left the ice-locked vessel at latitude 84° 4′ and attempted to reach the pole over the ice. They turned back at latitude 86° 14′, having established a new farthest-north record⃛”.

• In the review of Next of Kin (Nature 390, 246; 1997), an editorial change rendered the fictitious veterinarian “Dr Dolittle” (John) as “Dr Doolittle” (Eliza).