Mysteries

  • How Do Enzymes Work?

    How Do Enzymes Work?

    April 26, 2014 | Article

    Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.
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  • Why Do Dogs Have Whiskers?

    Why Do Dogs Have Whiskers?

    April 14, 2014 | Article

    For humans, touch is a sense most often associated with the fingers. But man's best friend, the dog, touches the world a different way — with his face.
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  • How Do Dolphins Sleep?

    How Do Dolphins Sleep?

    April 14, 2014 | Article

    Dolphins sleep with one eye open, and with half their brain wide awake, researchers have found.
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  • What Is Dry Socket?

    What Is Dry Socket?

    April 11, 2014 | Article

    If you've ever had a tooth pulled, then you might be familiar with a severely painful — and aptly named — condition known as dry socket (alveolar osteitis).
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  • What Is Credit Card Skimming?

    What Is Credit Card Skimming?

    April 11, 2014 | Article

    The FTC estimates that 9 million Americans have their identity stolen every year in credit-card skimming or similar kinds of scams. The ease with which skimmers operate, however, raises several questions about the security of card transactions.
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  • How Do Peanuts Grow?

    How Do Peanuts Grow?

    March 31, 2014 | Article

    Despite their name and appearance, peanuts are not tree nuts like walnuts and pecans — they're part of the legume family of plants, which includes beans, lentils, peas and other familiar foods.
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  • How Do Pineapples Grow?

    How Do Pineapples Grow?

    March 31, 2014 | Article

    Contrary to what some people think, pineapples don't grow on trees — they grow out of the ground, from a leafy plant.
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  • What Is Normal Blood Sugar?

    What Is Normal Blood Sugar?

    March 31, 2014 | Article

    Blood sugar, or glucose, is an important source of energy and provides nutrients to your body's organs, muscles and nervous system.
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  • What Is Neuropathy?

    What Is Neuropathy?

    March 27, 2014 | Article

    Peripheral neuropathy (often referred to simply as "neuropathy") refers to any condition that damages or disrupts nerves in the peripheral nervous system.
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  • What Is Kombucha?

    What Is Kombucha?

    March 27, 2014 | Article

    What smells like beer, tastes like carbonated vinegar and looks like something you forgot in the back of the refrigerator? Why, kombucha tea, of course!
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