The Arctic

The Arctic Three continents, Asia, North America, and Europe, reach into the Arctic Circle at their northernmost limits, almost entirely encircling the Arctic Ocean. Despite the region’s extraordinarily harsh climate, it has been inhabited for thousands of years by peoples such as the European Lapps, the Russian Nenet, and the North American Inuit, who draw … Read more

The Pacific Ocean

The Pacific Ocean The Pacific is the world’s largest and deepest ocean. It is nearly twice the area of the Atlantic and contains almost three times as much water. The ocean is dotted with islands and surrounded by some of the world’s most populous states; over half the world’s population lives on its shores. The … Read more

Time Zones of the World

Time Zones Because Earth is a rotating sphere, the Sun shines on only half its surface at any time. Thus, it is simultaneously morning, evening, and nighttime in different parts of the world. Because of these disparities, each country or part of a country adheres to a local time. A region of Earth’s surface within … Read more