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How Wetlands Work
science.howstuffworks.com/environmental/green-science/wetland.htm
Wetlands act like sponges, soaking up extra water during floods. They filter water as it runs to our rivers and streams. Find out what else wetlands do.
How 'Planet Earth' Works
entertainment.howstuffworks.com/planet-earth.htm
'Planet Earth' is one of the most comprehensive and wide-reaching documentaries the Discovery Channel has ever produced. Take a look inside 'Planet Earth.'
How Cannibalism Works
people.howstuffworks.com/cannibalism.htm
Cannibalism is a topic that's widely misunderstood and feared -- especially in the Western world. Learn about cannibalism and ancient and modern practitioners.