Talking is a phenomenon that is unique to humans, yet it remains a mystery. Horizon meets the people unlocking the secrets of speech and looks at the theories of linguistics. Show more
Discover 11,128,835 listings and 278,066 playable programmes from the BBC
Talking is a phenomenon that is unique to humans, yet it remains a mystery. Horizon meets the people unlocking the secrets of speech and looks at the theories of linguistics. Show more