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How LED Light Bulbs Work

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LED light bulbs have taken over the market. But what are their pros and cons?

Do all creatures sleep?

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Are you wondering do all creatures sleep? Check out this article and learn if all creatures sleep and other information on the sleep cycle.

How an Electronic Sun Visor Works

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An electronic sun visor can block the sun's rays and keep you entertained at the same time. Learn all about electronic sun visors at HowStuffWorks.

Reflexology: Bogus, Beneficial or a Bit of Both?

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The ancient art of reflexology focuses on pressure points exclusively on hands and feet. HowStuffWorks looks at whether it really relieves stress.

Just How Many Galaxies Are in the Universe?

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Galaxies are large systems of stars, gas, dust and dark matter that orbits a center and is bound by gravity. Learn about the characteristics of galaxies.

How Elon Musk Works

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Internet king turned rocketman? After making his fortune on the Web, Elon Musk entered the commercial space race. Will this businessman and his SpaceX company make space tourism affordable?

How Animal Testing Works

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Animal testing has a long, gruesome history, but it's also saved countless human lives.

Flexible Fuel Technology: Flex Engines

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How much do you know about flex engines and flexible fuel technology? Keep reading to learn about Flexible Fuel Technology: Flex Engines.

How Space Collisions Work

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Space collisions happen when stars, asteroids and even galaxies smash into one another. Learn what space collisions look like and what the results are.

Space Architects Will Help Us Live and Work Among the Stars

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If our living space is to become outer space, we have a lot of challenges to address. And our first line of defense will be space architects.

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