The mobile web version of Nokia Maps now looks and behaves more like a standard native application on Google Android and Apple iOS devices, thanks to HTML5: The navigation service now provides offline downloading of maps. This ability can reduce mobile broadband data charges or allow map usage in areas that have limited or no wireless data service.

Enthusiast site Android Community noted the updates on Monday by way of the HandHeld Blog. In addition to the downloadable maps, the service — found at http://m.maps.nokia.com — also adds public transit directions to supplement the existing walking and driving navigation as well as points of interest (POI) and guides to the local area.

Nokia’s mapping service is arguably one of the best software products to come from the Finland-based handset maker, and this update makes it even better. Why else would Microsoft decide to integrate Nokia Maps in the Windows Phone platform going forward? I used the web version of Nokia Maps earlier on Monday, finding it to be so full-featured that it was almost difficult to believe it to be a web application.

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The offline mapping mode is welcome, especially when many smartphone owners pay for set amounts of wireless data. Google, too, recently introduced downloadable maps, partially for this reason. Nokia’s implementation is somewhat limiting, though, at least in my short tests. The initial geographic area I wanted to map was too large, so Nokia Maps wouldn’t save it. I had to keep zooming and cropping before saving.

The end result was a reasonable size — about 15 square blocks of Philadelphia — and I had to boost the storage limits allocated to the service to get the 19 MB area map downloaded. Nokia calls these “neighborhood maps,” so if you’re planning to visit several areas, each neighborhood will have to be downloaded separately. That differs from Google’s solution, where I was able to grab a map of 10 square miles. Once you have a local map from Nokia stored on the device, you don’t have access to the guides and POIs, but you can zoom in for greater detail, just like Google’s version.

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4. Inventio FortunataIn the 14th century, a Franciscan monk from Oxford, whose name is unknown, traveled the North Atlantic. He described the geography of the Arctic, including what he presumed was the North Pole, in a book called Inventio Fortunata, or "The Discovery of the Fortunate Islands." He gave King Edward III a copy of his travelogue around 1360, and some say an additional five copies floated around Europe before the book was lost.What followed next was a game of telephone that stretched across centuries. In 1364, another Franciscan described the contents of Inventio Fortunata to Flemish author Jacob Cnoyen, who, in turn, published a summary in his own book, Itinerarium.Unfortunately, Itinerarium also went missing--but not before Gerard Mercator, one of the most prestigious cartographers of the 16th century, read it.Mercator, writing to an English scientist named John Dee in 1577, cribbed word for word from Itinerarium's description of the North Pole: "In the midst of the four countries is a Whirl-pool, into which there empty these four indrawing Seas which divide the North. And the water rushes round and descends into the Earth just as if one were pouring it through a filter funnel. It is four degrees wide on every side of the Pole, that is to say eight degrees altogether. Except that right under the Pole there lies a bare Rock in the midst of the Sea. Its circumference is almost 33 French miles, and it is all of magnetic Stone."When Mercator published a world map in 1569, he used this description as the source for his illustration of the Arctic--based upon the third-hand summary of a lost book written by an unknown monk 200 years earlier.

Google Maps, unfortunately, fails to corroborate this.