"This program discovers why we are born to talk and where language came from. UK Across the world, 6,000 different languages are spoken and the average human speaks 370 million words in their lifetime. But where did language come from? And how and why did we learn to speak? From Chinese whispers at Edinburgh University to singing in Vienna and a man in Boston who has filmed the first three years of his son's life as he learns to speak, a new generation of linguists is unlocking the secrets of how and why we developed our remarkable ability for language. This program discovers why we are born to talk.