•The physiotherapist who led the research on using textured insoles to reduce injuries is Gordon Waddington of The Canberra Hospital. Apologies for getting his first name wrong in our story (5 April, p 15).
•In our feature on Biotech in Britain (12 April, p 54), we mistakenly relocated Alizyme Therapeutics to Abingdon, Oxfordshire. It remains, as ever, in Great Abington, Cambridgeshire.
•Steuart Campbell’s letter on the nuclear fuel cycle stated: “In fact, 98 per cent of the ‘used fuel’ is recovered in this way” (12 April, p 29). This figure should have been 96 per cent.
