For years the North Pole has been considered international territory, and that seemed to suit everyone just fine until global warming came along, making it theoretically easier to extract oil and gas from the region. The Russians kicked off the land grab by planting an underwater flag, and now Denmark is launching a similar expedition. Canada, Norway and the U.S. also have territory disputes in the Arctic.
In 1815, the largest volcanic eruption in modern times buried the Indonesian island of Sumbawa. Now scholars have uncovered a part of it and are hailing the find as second in importance only to its Italian “time capsule” equivalent.