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The PlayStation 2 was one of the most anticipated game systems ever developed. Take a look inside and see what the PS2 had to offer.

Weapons in space that can knock down missiles have been under development for years and are starting to look realistic. Learn how they will work!

Reel mowers rely on human exertion to both move and mow. Learn about the advantages reel mowers hold over gas-powered and rotary lawn mowers.

Fluoride is commonly added to drinking water but could be dangerous. Learn about fluoridation and fluoride poisoning.

Is it possible that Noah's ark really existed? Find out more about Noah's ark and if a great flood was a reality.

International water covers 71 percent of the Earth's surface and includes five oceans. Learn how international water is shared among all the nations.

Understanding how reverse mortgages work has a lot to do with comprehending home equity. Learn more about how reverse mortgages work.

Ginseng is used in herbal remedies that can reduce stress and improve overall well-being. Learn how to use ginseng and make ginseng tea.

High-speed photography records fast-moving objects, capturing images normally invisible to the human eye. Find out about high-speed photography here.

If you've got allergies, you know the drill. Learn allergy symptoms, reactions and the immune-system mix-up we call an "allergy."

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