Amazing scenes have been unfolding on the TV screen recently, the Earth itself cracking wide open as bright orange fire laps around buildings and rivers of molten lava surge with unstoppable power through the darkness. This is, of course, the latest eruption in Iceland, the land of fire and ice, captured live and beamed in graphic detail straight to our news channels. Michaela and I have always been fascinated by volcanoes, but then who isn’t? Before we’d even met, Michaela had visited Etna and I’d trudged up the slopes of Vesuvius, and we’d both watched the intriguing sight of bubbling sea water and marvelled at what may be going on…