The large size of the key (sorry to go on about it), the ergonomic turning head and chunky ring, are all designed to be easier for people with physical impairments to get it out of a bag and in to the lock.

BBC: Disabled toilets: What is a Radar key?

Next head to the main ring, where a typical timetable may consist of falconry displays, Cumberland wrestling, pipe-and-drum performances and pony-and-trap contests.

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The alleged head of a multi-billion dollar smuggling ring in south-east China has confessed and now faces trial, Chinese state media say.

BBC: China

Maya MacGuineas, president of the Committee for a Responsible Federal Budget and head of the Campaign to Fix the Debt, even got to ring the opening bell at the NYSE today, with CEOs and other deficit deacons at her side.

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Partly because his budget is an unusual "ring-fenced" one, while other departments are being cut, the head of DfID - International Development Secretary Andrew Mitchell - constantly emphasises his quest for value for money, for both aid recipients and the British taxpayer.

BBC: Liam Fox row: Where does the UK's aid money go?

She was head of a government office responsible for overseeing Xiamen's trade when the smuggling ring was active.

ECONOMIST: Systemic corruption: Something rotten in the state of China | The

If some areas of spending, such as the NHS and international aid, continue to be ring-fenced, "the outlook for all other unprotected spending looks grim indeed", said the IFS head.

BBC: Budget 2013: 'Cuts deferred' until after elections

The discovery eventually came about using the Large Hadron Collider (LHC), a machine at CERN that sends bunches of protons round a ring 27km in circumference, in opposite directions, at close to the speed of light, so that they collide head on.

ECONOMIST: The Higgs boson