00484nam a2200085Ia 4500008004100000245002000041300027300061650001300334856005100347170517s9999    xx            000 0 und d  aWhy Do We Talk?  aTalking is something that is unique to humans, yet it still remains a mystery. Why Do We Talk? meets the scientists beginning to unlock the secrets of speech - including a father who is filming every second of his son's first three years in order to discover how we...  xScience.  uhttp://topdocumentaryfilms.com/why-do-we-talk/