Much better, too, to do so in a small group where offers can be compared and ambitions bid up, rather than trying to engage the whole world at once.

ECONOMIST: Some good ideas about how to break the gridlock

Runaway climate change could spur an island nation doomed to drown under rising seas or a wealthy entrepreneur with do-good intentions to deliberately inject sunlight-reflecting particles high into the stratosphere in a bid to cool the planet, the World Economic Forum warns.

MSN: The Maya may have sacrificed earliest domestic turkeys

Mr Cook's move had little to do with grand strategic thinking: it was a pre-emptive bid to silence Eurosceptics in London, and also part of a broader Franco-British game in which his country will be struggling to preserve its veto in areas that others think should be subject to decisions by a majority of votes.

ECONOMIST: The many tricky ways of widening Europe | The

Once the robot can do this the researchers plan to disrupt the memories in a bid to recreate the gradual loss of mental faculties seen in diseases such as Alzheimer's and Parkinson's.

BBC: Rat-brain robot aids memory study