This may explain why many children with autism in South Korea may go unnoticed and may explain a significant difference with children in the United States.

CNN: South Korean study may lead to higher autism estimates

The MPs also try to explain the difference between a commission and a convention, which is handy for those of us who sometimes confuse the two.

BBC: MPs say England needs to come to the devolution party

It is impossible, at this stage, to explain how there could be such a difference in rupture rates in France and other countries.

BBC: How France and UK differ on implants

However Briatore, who is also co-owner of the West London club, did not explain what the difference was between a sacking and a contract termination.

BBC: Briatore denies picking QPR team

The spot, which aired on cable television and the Web, shows a clueless blue-shirted store salesman stammering and shrugging when a customer asks him to explain the difference between two laptops.

WSJ: Best Buy Battles Over Use of 'Geek'

The difference helps explain why Roadway Express is shipping a quarter less tonnage in its 25 largest markets since 1998.

FORBES: Magazine Article

Below we take a look at our estimates and what factors could explain the difference between the market view and ours.

FORBES: How to Justify Salesforce.com at $150, Or Can You?

Spotting such a difference in the behaviour of matter and antimatter particles may also finally help explain why our Universe is overwhelmingly made of matter.

BBC: LHC reveals hints of 'new physics' in particle decays