There are approximately 195 countries worldwide, and their names vary depending on the language. Do you know the German names for all these countries and their correct spelling? Test your knowledge ...

Polynya [puh-lin-yuh]Definition:An area of largely unfrozen ocean surrounded by sea ice. Polynyas can be formed in several ways. Latent-heat polynyas form when wind and currents push ice away from a ...

Environment Geography word of the week: Gelifraction Also know as frost shattering, frost wedging or congelifraction, gelifraction is the mechanical fracturing of rock caused by repeated freezing and ...