Surrey County Council said the "pothole proof" roads came with a 10-year warranty which would see the contractor covering the cost of any repairs.

BBC: Pothole

The business case for diversity is strong, and numerous studies on the cost and effectiveness of diversity or why gender diversity is a corporate performance driver list plenty of proof points.

FORBES: To Hire or Fire, that is the Question

The explosions and the near-panic in Japan offer proof that "low-cost nuclear reactors are not the future", according to Anne Lauvergeon, chief executive of nuclear reactor maker Areva, who was interviewed by the television channel France 2.

BBC: Will Japanese crisis curb the rise of nuclear power?