Unlike Dr Anderson's method, however, the Strathclyde contraceptive has not yet been tested on people, only on rodents.

ECONOMIST: Contraception

The lead researcher Dr Ben Wheeler said loads of explanations had been suggested, although they had not yet been tested.

BBC: People feel 'healthier' on the English coast

In July, its leader Eamon Ryan said he was wary of quoted figures over oil resources which had not yet been tested.

BBC: Ireland 'close to oil billions'

However, treating patients with vitamin D has not yet been tested.

BBC: Sunshine vitamin 'may treat asthma'

In other words, an accurate, timely report of what was said should be legally fireproof - although that has not yet been tested in the courts.

BBC: Parliamentary privilege, MPs and super-injunctions

There is another question of political impartiality on which the commission has not yet been tested: the role of Mangosuthu Buthelezi and his Inkatha Freedom Party.

ECONOMIST: South Africa

Many survey participants experienced multiple crises over the past three years, which begs the question, How much more unprepared are companies that have not yet been tested in such crisis fires?

FORBES: Chocolate Candy, Ten-Year-Old Girls, and Global Disasters: Why Business Leaders Say They're Uncertain About the Future