The core of Keynesian theory is the restoration of business confidence by providing a pleasant surprise to compensate for the unpleasant shock.

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The Vanguard research team disagrees with the theory of core and satellite.

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In traditional Chinese medical theory, the core concept is the qi, the vital energy that is believed to circulate throughout the body.

CNN: SPECIAL REPORT: HEALTH

The core of Mr Clute's theory is one that Forster might have found sad, but that most, be they bus drivers or golfers, will enjoy: that fantasy is about stories.

ECONOMIST: Fantasists

As it turns out, it runs a quad-core version of AMD's new Temash chip, which is being billed as the first quad-core, x86-based SoC. (There's also a dual-core version.) Built into the chip is an HD Radeon 8000 series GPU with AMD's Graphics Core Next architecture, so in theory you should be able to pull off PC-caliber gaming even on a tablet.

ENGADGET: AMD shows off a reference device with a quad-core, x86-based Temash chip

In theory, these days are the opportunity for the Commons to exercise its core responsibility to monitor the use of public money - in practice, they're debates on issues raised by select committee reports.

BBC: Week ahead

The theory was that specialists would do a better job of running digital networks than users whose core competencies lay elsewhere.

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