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Preventing back pain is much easier than treating it after an injury. Learn how to avoid the bad habits that can damage your back.

The Magna Doodle... For kids, it's a cool toy. For the rest of us it's a tribute to the beauty of physics. Discover the science behind Magna Doodle.

Though houseflies scavenge and carry disease, houseflies also provide food for the local ecosystem. Learn why houseflies love the great indoors.

How do trees affect the weather? Learn how trees can influence not only the five-day forecast, but global climate patterns and global warming.

Thermostats are in every household, but have you ever wondered how they work? Learn about thermostats and take a look inside a home thermostat.

You've probably experienced a clogged drain before and reached for the drain cleaner. But how do drain cleaners work?

A rotary engine works completely differently than the conventional piston engine. Learn what makes a rotary engine unique among engines.

The Google Chrome operating system is designed to be faster and to require less maintenance than existing OSes. See how the Google Chrome OS works.

Avid editing machines are used by professional video and film editors to assemble a final product from raw footage. Learn more at HowStuffWorks.

Fingerprinting is a popular technique for identifying criminals and authenticating access. Learn about fingerprinting and its storied history.

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