Dust blown from the Earth's continents falls into the oceans and fertilizes them with nutrients needed for plants, such as ...

a strip of land that connects North and South America. The canal allow ships to travel between the Pacific Ocean and the Atlantic Ocean. The Panama Canal was officially opened in 1914 and it is ...

Located in the Yellowstone National Park between the Old Faithful and West Thumb geyser basins, Isa Lake sits directly on the Continental Divide of North America.

Throughout the world, extreme weather is driving a growing death toll, exacting billions in damage, threatening food and ...