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How Bonsai Works

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Bonsai is an ancient form of gardening that many consider to be art. Learn more about bonsai and the rich history that comes with it.

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?

Knee Replacement Overview

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Getting a knee replacement is often a last resort for those whose knees are destroyed by arthritis or wear and tear. Learn about knee replacements.

How Virtual Reality Works

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Virtual reality uses a computer to create a simulated three-dimensional world. Find out how virtual reality works and learn about the future of virtual reality.

Imagine walking through a field and stumbling upon scads of corpses, all in various states of decomposition. It's not the setting for your next nightmare, but rather a very real discipline of forensic anthropology.

How Wetlands Work

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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.