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Why do we have fingerprints?

health.howstuffworks.com/human-body/parts/why-do-we-have-fingerprints.htm

Why do we have fingerprints? Identification isn't their only purpose. Learn about the reasons for fingerprints.

What's the Difference Between Restarting and Shutting Down My Computer?

computer.howstuffworks.com/restarting-shutting-down-computer.htm

In the Windows operating system, shutdown and restart both can be used to turn off your PC. But they don't do it exactly the same way.

8 Tips for Solving That Crazy Hard Jigsaw Puzzle

entertainment.howstuffworks.com/puzzles/jigsaw-puzzle-tips.htm

Jigsaw puzzles are fun to solve, but can be frustrating, too. Here are some tips to help you finish those difficult puzzles with ease.

How Scientific Peer Review Works

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Scientific peer review is a quality-control system that critiques all new scientific discoveries. Learn more scientific peer review and its flaws.

Can perfume make me smarter?

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Are you wondering can perfume make me smarter? Learn if perfume can make you smarter in this article.

How Well Do You Know Baseball Slang?

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Often, slang is a better description than the actual word, and that's a common case in baseball. How well do you know your baseball slang, though? Take this quiz and find out!

How Lie Detectors Work

people.howstuffworks.com/lie-detector.htm

Lie detection is a consistently controversial topic -- how can a machine tell truth from deception? Does everyone have the same physiological reaction when telling a lie? If so, how can some people "beat the box"? Find out what these devices measure and if they really can detect lies.

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