Clusters are typically concentrated in a defined geographic region and share a high level of inter-connectivity.

FORBES: Making it Work: Cluster what?

That the EU continues forcing an economically illiterate idea onto those who do not want it is surely causing high levels of inter-governmental anger within the economically variable and culturally disparate group of 20.

FORBES: Occupy Wall Street's 'Robin Hood Tax' A Tough Sell At G20

Hitachi trains are the front-runner in the competition to replace all of the UK's fleet of inter-city high-speed trains.

BBC: What happened to Japan's electronic giants?

Hughes, whose club gave up in their high-profile attempt to sign Barcelona striker Samuel Eto'o - now likely to join Inter Milan in a swap deal with Zlatan Ibrahimovic - has a glut of forwards in his bloated, 57-strong squad.

CNN: Man City splash cash on African star Adebayor

We have to start by remembering that there were good reasons for the Bank of England and the government to worry about a high LIBOR rate at the time since it was a symptom of the credit crunch - ie the disappearance of inter-bank lending.

BBC: Barclays Banks - A Whitehall whodunit

The replacement of winger Goran Pandev - apparently injured - with defender Christian Chivu in the Inter line-up minutes before kick-off caught everyone by surprise, while the visitors' high-pressure tactics and gamesmanship continually frustrated the hosts.

BBC: Barcelona 1-0 Inter (agg 2-3)