Horizon
Season 47 Episode 6 - How Long is a Piece of String?
7.4 ?
1964
Documentary
Alan Davies attempts to answer the proverbial question: how long is a piece of string? But what appears to be a simple task soon turns into a mind-bending voyage of discovery where nothing is as it seems.
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
6
How Long is a Piece of String?
60 min
NOW PLAYING
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
