What Does Extinction Mean?

What Does Extinction Mean?

Extinction is a sad but true fact of life in the ecological and biological realms of scientific study. While some are natural, modern extinctions are...

The Araguaia River

The Araguaia River

The Araguaia River flows for an impressive 1,187 miles in the South American nation of Brazil.

How Big Is Lake Superior?

How Big Is Lake Superior?

The largest of the Great Lakes, Superior lives up to its name at 82,414 square kilometers in surface area.

The Yellow River (Huang He)

The Yellow River (Huang He)

In China, the Yellow River, or Huang He, flows for 3,395 miles, and is one of the most economically important waterways in the world.

The Congo River

The Congo River

With one of the largest riverine catchment areas in the world, the mighty Congo also covers 2,920 miles in length across ten African nations.

How Big Is Lake Victoria?

How Big Is Lake Victoria?

Lake Victoria in Africa is the world's largest tropical lake at 69,485 square kilometers in surface area.

The Chambezi River

The Chambezi River

The Chambezi (or Chambeshi) courses for a distance of around 300 miles in the African nation of Zambia.

The Argun River

The Argun River

The Argun flows for a total of 1,007 miles between the Zabaykalsky Krai in Russia and Inner Mongolia of China.

The Angara River

The Angara River

The Angara River courses through an 1,105 mile-long stretch in the Eurasian nation of Russia.