Many Anglo-Australians lament speaking only one language when they travel overseas. But now we know being bilingual pays big dividends - culturally and cognitively. From bilingual babies to slowing the deterioration of Alzheimer's, three leading psycholinguists join Natasha Mitchell, ABC Radio National (Australia) to share their striking research. http://www.abc.net.au/rn/allinthemind/stories/2011/3164263.htm
