Journalist and author Victoria Coren investigates the origins of words and phrases beginning with N, turning her attentions to `nit nurse'. Jonathan Keates discovers the 20 meanings of `nice', and argues that the scorn heaped on it by generations of English teachers is undeserved. Daniela Nardini delves into her Italian heritage to find out what the number 99 has to do with ice cream, while Giles Milton learns how `nutmeg' entered footballing terminology.