Horizon · SEASON 47
Why Do We Talk?
Episode 5 · 2009-11-10
- Documentary
Episode overview
Talking is something that is unique to humans, yet it still remains a mystery. Horizon 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 learn to talk, the autistic savant who can speak more than 20 languages, and the first scientist to identify a gene that makes speech possible.
60 minutes
Season 47 episodes
1. Do I Drink Too Much?2009-10-13
2. The Secret You2009-10-20
3. Fix Me2009-10-27
4. Who's Afraid of a Big Black Hole?2009-11-03
5. Why Do We Talk?2009-11-10
6. How Long is a Piece of String?2009-11-17
7. The Secret Life of the Dog2010-01-06
8. Why Do Viruses Kill?2010-01-13
9. Pill Poppers2010-01-20
10. Don't Grow Old2010-02-03
11. To Infinity and Beyond2010-02-10
12. What Makes a Genius?2010-02-17
13. Did Cooking Make Us Human?2010-03-02
14. Is Everything We Know About the Universe Wrong?2010-03-09
