The researchers say that the full-scale version of the trial, now drawing to a close, seems to confirm these results.

ECONOMIST: And spare a doctor

Since the series nearly fizzled with 2006's third entry, "The Fast and the Furious: Tokyo Drift, " Universal has consistently upped the budget and the scale of the auto racing stunts in each movie, drawing larger audiences along the way.

WSJ: 'Fast 6' Leads Record Holiday Haul

But to demonstrate that the EU is united in condemning the scale of Russia's reaction to Saakashvili's military action in South Ossetia and its re-drawing of the regional boundaries by force, the EU has promised Georgia strong economic and political support.

CNN: Analysis: Can Europe stand firm against Russia?

The 100-year-old scale drawing was sold last year in England for almost a quarter of a million pounds, but the anonymous buyer has agreed for it to go on show at the new Titanic visitor centre in Belfast.

BBC: Titanic design plan comes back to Belfast

On a finer scale, self-organising maps can show how particular individuals use a given file of data, such as an engineering drawing, during the course of a project.

ECONOMIST: Network collaborations