A new mathematical approach uses data on people's commutes between and within US counties to identify important geographic regions. A new mathematical approach uses data on people's commutes between ...

In this review, we focus on the biogeographical distribution of genetic variation and address whether or not populations cluster according to the popular concept of 'race'. We show that racial ...

Welcome to the United States of America, a vibrant nation comprising 50 states and a diverse tapestry of geographic, social, and cultural regions! Often called the "land of opportunity," the US is a ...

The Annals of the American Association of Geographers is one of the world’s foremost geography journals. It has been published since 1911 and currently has an Impact Factor of 2.799, ranking 8th out ...

This background essay introduces the diversity of China's natural and man-made features, as well as the relative population of its various areas. Used as background information, learners can explore ...