If not exactly proof of the existence of God, this does at least suggest that even fallen companies can have some hope of resurrection.

ECONOMIST: Innovative things to do with a banana

The thought greets Vince Camden as he sits up in bed, frantic, casting around a dark bedroom for proof of his existence and finding only props: nightstand, dresser, ashtray, clock.

NPR: Excerpt: 'Citizen Vince'

Evidence, but not proof, of its existence was found by two earlier missions.

ECONOMIST: Spaceflight

The Scottish and Welsh development agencies which have been in existence for many years are cited as proof that such agencies can work (although it might be noted that Wales is still among the poorest regions of Britain).

ECONOMIST: An England of regions | The

One of its campaigns is designed to ensure that more children are properly registered - as otherwise they have no proof of identity and "no legal existence" - and it cites estimates that 51 million newborns go unregistered every year.

BBC: The world at seven billion

If anyone doubted the existence of a billionaire boys' club in Latin America, they got some proof in late May.

FORBES: Latin America's billionaires talk things over.

Despite the unarguable existence of a grave and peculiarly insidious threat to Britain from Islamist terrorists, the government has produced no proof that giving the police the power to bang them up for longer before charging them would make the country safer.

ECONOMIST: Bagehot