Earth Story - The Deep

A curious feature of our planet's surface is that it has two distinct levels: the dry land on the continents, on average a few hundred meters above sea level, and the ocean floor, making up two-thirds of the Earth's surface, several kilometers below sea level. Only in the past fifty years have scientists begun to explore in detail this vast region, revealing beneath the waves a landscape quite unlike the world we are used to. They have discovered a vast mountain range which encircles the entire globe. Here new sea floor is being continuously formed as the Earth's surface splits apart.

Earth Story is an eight part series

* The Time Travelers
http://www.videosift.com/video/Earth-Story-The-Time-Travellers
* The Deep
http://www.videosift.com/video/Earth-Story-The-Deep
* Ring of Fire
http://www.videosift.com/video/Earth-Story-Ring-of-Fire
* Journey to the Center of the Earth
http://www.videosift.com/video/Earth-Story-Journey-to-the-Centre-of-the-Earth
* The Roof of the World
http://www.videosift.com/video/Earth-Story-The-Roof-of-the-World
* The Ice Age
http://www.videosift.com/video/Earth-Story-The-Ice-Age
* The Living Earth
http://player.ku6.com/refer/nqhppkQQhL22tiGA/v.swf
* A World Apart
http://player.ku6.com/refer/MGrZvLujOXh9kjcI/v.swf

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