An innovative device which cancels out the noise of the dental drill could spell the end of people's anxiety about trips to the dentist.

A British magazine says lecturer-submitted gaffes by university students include a comment about Internet use by the French Resistance during World War II. The Times of London's Higher Education magazine said submissions to its annual exam howlers competition include a sentence from a student at London's

The study, by Brunel University, the Universities of Exeter and Reading and the Centre for Ecology & Hydrology, shows for the first time how a group of testosterone-blocking chemicals is finding its way into UK rivers, affecting wildlife and potentially humans.

AGE: 9. HISTORY: Created in 1997 out of Brunel University's departments of management studies and business studies, the school has offered its own MBA since that time.

Sir: You report (31 July) the imminent demise of chemistry at King's College in London.