With just four big accounting firms remaining, and none of the next tier big enough to take up the slack, the corporate world cannot easily handle another accounting-firm failure.

ECONOMIST: Ernst & Young sued over Lehman

It can take up to 50 people to handle the turnaround of an A380 and the double-deck plane presents considerable challenges for the airport's staff.

CNN: Frankfurt Airport in numbers

In the county where I grew up there is a municipal airport that can, in a pinch, handle up to a 707-sized aircraft, so smaller jets could land and take off from there.

CNN: Future Summit forum