James Cheshire, a geography lecturer at the University College London, mapped common surnames in London.
Here at the Centre for Advanced Spatial Analysis, University College London, we have just made live our latest in a series of services examining live data feeds - CityDashBoard. The system pulls in data from a variety feeds, developing our view that the next trend in OpenData is towards a live view of the city and live data feeds.
UK scientists have detected a huge dome of freshwater that is developing in the western Arctic Ocean.
The bulge is some 8,000 cubic km in size and has risen by about 15cm since 2002.
The team thinks it may be the result of strong winds whipping up a great clockwise current in the northern polar region called the Beaufort Gyre.
This would force the water together, raising sea surface height, the group tells the journal Nature Geoscience.