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How Geysers Work

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Geysers are explained in this article. Learn about geysers.

How Ghost Busters Work

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'Ghostbusters,' the movie, was fiction, but paranormal investigators really do exist. Learn how real-life ghost busters differ from Hollywood's version.

How Ghosts Work

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Ghosts are the spirits of dead people that have either returned from the afterlife, or not moved on to it. Learn about ghosts and explanations for ghosts.

How Ghouls Work

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Blood-sucking vampires and brain-munching zombies tend to hog all the undead credit, but we think ghouls deserve a macabre article all their own. Read it -- if you dare.

How Gliders Work

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Flying in a glider is about as close as you can get to soaring like a bird. Amazingly, these graceful machines manage their maneuvers without an engine. Learn how gliders fly without power.

How Global Warming Works

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Global warming is becoming an increasingly important issue. Find out what causes global warming and learn how we can decrease the effects of global warming.

How Gold Works

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We love it. We wear it glittering around our necks and sparkling at our ears, wrists and feet. We pass it down to our children and hoard it in secret stashes. Why is this precious metal so prized?

How Gravity-powered Floor Lamps Will Work

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Gravity-powered floor lamps use simple yet amazing technology. Visit HowStuffWorks to learn all about gravity-powered floor lamps.

How Gray Water Reclamation Works

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Gray water reclamation is a developing way to reduce water waste and go green. Find out how gray water reclamation works.

How Green Pavement Works

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Green pavement is porous, meaning that it permits water to seep through to the ground. Learn why green pavement is good for the environment.