Opinion Polls in a Nutshell
Ever wondered how opinion polls work? As election fever grows - so does the importance of opinion polls which today are an essential part of modern political life. Political strategists, voters and the media all lap up the data generated - but where does it come from? and just how easy is it to predict the future based on the opinions of the present?
The OU on iTunes U
Part of Apple's iTunes store, iTunes U is a vast learning resource offering free educational content that users can download straight to their computer, iPad, iPod and iPhone.
60 Second Adventures in Astronomy
Just how big was the Big Bang? Discover how scientists have calculated the exact volume of the noise created at the birth of the Universe.