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How Police Robots Work

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Police robots will soon be roaming the streets thanks to developments in technology. Learn about police robots and the new police robot R Bot 001.

Can prayer heal people?

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Prayer may in fact heal people, according to recent studies that show prayer can lower your blood pressure. Learn more about prayer and healing.

How Blenders Work

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What do chefs, bartenders and geneticists have in common? They all use blenders. A blender is an appliance you can't live without if you want to turn solid ingredients into liquid deliciousness.

How Thanksgiving Works

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Today, many associate the holiday less with pilgrims and American Indians and more with football and turkey. What's the real story of Thanksgivig Day?

How Jellyfish Work

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Although jellyfish have been around for over 650 million years, they're stil very mysterious. Learn the basics and the jellyfish life cycle.

How Mexican Wrestling Works

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Mexican wrestling puts a new twist on American pro wrestling. Learn about Mexican wrestling characteristics, Mexican wrestling history and famous luchadores.

How Kwanzaa Works

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The holiday of Kwanzaa is a time to honor African traditions. It lasts seven days, uses seven symbols and sets forth seven ideals. How is it celebrated?

With unlimited file sharing comes the big question: Should users be granted unrestricted -- and free -- access to copyrighted movies, music and games? Find out how Kazaa has weathered the legal storm so far.