Ten miles off the west coast of Scotland, the Firth of Clyde flows around a small island shaped like a sugar loaf called Ailsa Craig. In breadth, it’s shy of a mile but rises steeply to more than ...

Volcanic rock from Ailsa Craig, situated 10 miles from land, is being used yet again for curling this week at the Winter Olympics in Beijing. The island is nearly two miles in circumference and ...