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Do anti-aging lights really work? Visit Discovery Fit & Health to learn about anti-aging lights and if they really work.

What are emotions? What is their purpose? Read this article to learn about emotions and the reasons why we have them.

Want to know how to salvage a bad date? Visit Discovery Health to learn how to salvage a bad date.

Your opponent scratches her nose, an obvious tell. You call her bluff -- by checking the dictionary. How can you bluff successfully in Scrabble?

True racing go-karts are serious competitive machines. Read more about go-kart racing at HowStuffWorks.

Metronomes are devices that provide a steady beat for practicing or playing music. Learn about the types of metronomes and how metronomes work.

Does Army experience help your civilian career? Visit HowStuffWorks to learn if Army experience helps your civilian career.

Is it better to replace my washing machine or repair it? Find out if you should replace my washing machine or repair it at TLC Home.

Is genius genetic, or is it something that you can acquire in life? Learn about genius and find out if genius is genetic in this article.

What is trichodynia? Symptoms include discomfort or pain in the scalpe or hair. Read about trichodynia at HowStuffWorks.

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