Examples of oligopolies can be found across major industries like oil and gas, airlines, mass media, automobiles, and telecom.

Geomorphology articles from across Nature Portfolio Geomorphology is the study of landforms and landscapes on Earth and other planets, and the processes that shape them.

The component parts represent the best examples of "least eroded" to "most eroded" Danxia landforms, displaying a clear landform sequence from "young" through "mature" to "old age", and with each ...

Deep dissection of an uplifted limestone massif over a period of five million years has produced a series of classical karst landforms, including cones, towers, enclosed depressions (cockpits), ...

Geography. Read the latest geographical research from universities and institutes around the world.