Horizon
Season 47 Episode 5 - Why Do We Talk?
7.4 ?
1964
Documentary
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.
Episodes in Season 47
1
Do I Drink Too Much?
60 min
2
The Secret You
60 min
3
Fix Me
60 min
4
Who's Afraid of a Big Black Hole?
60 min
5
Why Do We Talk?
60 min
NOW PLAYING
6
How Long is a Piece of String?
60 min
7
The Secret Life of the Dog
60 min
8
Why Do Viruses Kill?
60 min
9
Pill Poppers
60 min
10
Don't Grow Old
60 min
11
To Infinity and Beyond
60 min
12
What Makes a Genius?
60 min
13
Did Cooking Make Us Human?
60 min
14
Is Everything We Know About the Universe Wrong?
60 min
