The trio who won the quiz competition for senior second-level students, organised by the Irish Science Teachers' Association, which was held at TCD recently and sponsored by Bayer Ireland . . . they are sixth-year students Kate Moles, Simon O'Shea and David West, of Villiers School, North Circular Road, Limerick. The school's senior science teacher is Eric Prestage. The prizes were £80 each for the students, £600 for the school and a perpetual trophy.