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Why Do People Knock on Wood for Luck?

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Have you ever wondered why people knock on wood for luck? Like many superstitions, the answer goes back as far as pagan rituals.

What Does It Mean When a Dance Card Is Full?

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In an era of strict social rules, dance cards let gentlemen "claim" ladies for their turn on the floor. A full dance card was a sign of popularity.

How to Tell Someone Their Fly Is Down

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An unzipped fly is near the top of the list of public humiliations. Learn how to tell someone their fly is down at HowStuffWorks.

What If You Ate Uranium?

science.howstuffworks.com/science-vs-myth/what-if/what-if-ate-uranium.htm

You would probably be pretty freaked out if you ate uranium, right? Well, if you've ever eaten a potato or turnip, you may already have done so. How does your body deal with this radioactive substance?

When did we begin genetically engineering food?

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The practice of genetically engineering food started taking off after some key discoveries about DNA. Learn when we began genetically engineering food.

How to Budget for Home Remodeling

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Budgeting for home remodeling can be tricky. Visit TLC Home to learn how to budget for home remodeling.

Can we create a real Jurassic Park?

science.howstuffworks.com/life/genetic/real-jurassic-park.htm

Is a real Jurassic Park possible, or is the idea purely science fiction? Learn about creating a real jurassic park in this article from HowStuffWorks.

Does exercising affect varicose veins?

health.howstuffworks.com/skin-care/problems/beauty/exercising-affect-varicose-veins.htm

Does exercising affect varicose veins? Find out how exercising affects varicose veins and whether it's an effective treatment.

How Do Chameleons Change Color? And Why?

animals.howstuffworks.com/animal-facts/chameleons-change-colors.htm

Chameleons change color whenever they feel agitated, exhilarated, threatened or excited. OK, but how?

Is Going Sockless Bad for Your Feet?

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How bad is it for you to go without socks? HowStuffWorks looks at the sweaty, smelly reason.

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