The Dismissive, Exasperated, Sinister Sounds Of Teenagers : NPR

Teens can appear distant and moody, unless you speak their language. Linguist James Harbeck speaks with NPR’s Scott Simon about his quest to crack the code. (This story first aired June 1, 2013.)

http://www.npr.org/2014/05/17/313343176/the-dismissive-exasperated-sinister-sounds-of-teenagers?ft=1