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Nature
Dogs That Changed the World (Part 1) - Preview
Dogs' roles as guard, hunter, herder, hauler and spiritual protector, as well as current theories about the wolf's evolutionary leap. 10/5/2011
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54:19
It's one of the most brutal environments on Earth - so how does life carry on here?
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54:24
Efforts to rescue the thousands of household pets left homeless by Hurricane Katrina.
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52:58
NATURE visits one of the world's most spectacular aquariums.
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53:39
Explorers unravel the secrets of the many layers in the jungles' fantastic web of life.
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53:40
Go into the depths of the Amazon, home to millions of marvelous species.
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53:39
Examples of how the rain forest acts as an engine of evolution.
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52:59
Scientists use poisons from animals to create lifesaving drugs.
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54:06
Hawaii is a place of beauty. It is also a land of volcanoes, blizzards, and rockslides.
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54:32
After a decades-long comeback, grizzly bears appear to be thriving.
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54:07
Filmmakers take a dive of a lifetime to learn about the location's fantastic creatures.
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52:56
The great escape artists of the wild, with a remarkable bag of tricks.
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52:45
Generally mistrusted and vilified and yet, in many cultures sacred.