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This is so COOL . The National Library of Scotland's (NLS) Map Department has recently completed a huge georeferencing exercise, taking a set of Six-Inch-To-Mile (1:10560) maps for the whole of England and Wales, scanning them in to create high-quality images, and lining them up with Google Maps and OpenStreetMap modern maps. The maps were drawn between 1888-1913 and so represent a complete picture of the countries a hundred years ago. They have developed a side-by-side tool to allow for easy comparison between the old and new maps.

Interactive comparison map

"Flying over East Asia, astronauts on the International Space Station (ISS) took this night image of the Korean Peninsula. Unlike daylight images, city lights at night illustrate dramatically the relative economic importance of cities, as gauged by relative size. In this north-looking view, it is immediately obvious that greater Seoul is a major city and that the port of Gunsan is minor by comparison. There are 25.6 million people in the Seoul metropolitan area-more than half of South Korea's citizens-while Gunsan's population is 280,000."

The clock is ticking. Every second, it seems, someone in the world takes on more debt. The idea of a debt clock for an individual nation is familiar to anyone who has been to Times Square in New York, where the American public shortfall is revealed. Our clock (updated September 2012) shows the global figure for almost all government debts in dollar terms.