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Eating Nails for Breakfast Take a closer look at your breakfast cereal.  
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The next time you're eating a big bowl of breakfast cereal, take a closer look at the ingredients. You'll find that your cereal contains more than just wheat and corn. Look closely and you might find iron... you know, the metal... the stuff used to make nails. Here's an experiment to see if there is really metallic iron in your breakfast cereal.

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