It’s a busy autumn morning at the Spanish Nursery, a bilingual nursery school in north London. Parents help their toddlers out of cycling helmets and jackets. Teachers greet the children with a cuddle and a chirpy “Buenos dias!”. In the playground, a little girl asks for her hair to be bunched up into a “coleta” (Spanish for ‘pigtail’), then rolls a ball and shouts “Catch!” in English.

“At this age, children don’t learn a language – they acquire it,” says the school’s director Carmen Rampersad. It seems to sum up the enviable effortlessness of the little polyglots around her. For many of the children, Spanish is a third or even fourth language. Mother tongues include Croatian, Hebrew, Korean and Dutch.

Compare this to the struggle of the average adult in a language class, and it would be easy to conclude that it’s best to start young.

But science offers a much more complex view of how our relationship with languages evolves over a lifetime – and there is much to encourage late beginners.

Read more