Either way, Sir Mervyn noted that Greece has a solvency problem that has not yet been solved.

BBC: Why UK banks are not immune to eurozone woes

Prof Larson thinks MIT's Media Lab has solved a problem that does not even exist yet.

BBC: What if a robot drove your car?

North Belfast MP Nigel Dodds said he hoped a community forum proposed last year, which has not yet formally met, could help solved the problem.

BBC: Tight security as schools reopen