Happiness is... commuting by bike.

It's official. According to a report by the New Economics Foundation (NEF) there are three key ingredients for a happy life - work, sleep, and bicycles. But we knew that already, didn't we?

Here's the link to the BBC's Mark Easton's report: http://www.bbc.co.uk/blogs/thereporters/markeaston/2011/02/happiness_wor...