The iTunes U app gives you access to complete courses from leading universities and other schools - plus the world’s largest digital catalog of free education content - right on your iPad, iPhone, or iPod touch.
Video tutorial e previews of the app:
[video:http://vimeo.com/33626913]
Digital Discoveries on Vimeo
The trend of natural disasters has increased during the 20th century. In particular, hydrological disasters have acquired big dimension with the beginning of 21st century. According to the international disaster database EM-DAT, regions in European continents paid a huge cost – about 8 billion of Euro between 2010 and 2013 – for general floods. And the future could be worse than the past. Climate change is causing a global sea-level rise, which is expected to accelerate over the 21st century: the predictions foresee a mean
