Life's Little Mysteries

Life's Little Mysteries answers fascinating questions about the world around you and the stuff in it, from things in the news and on your mind to crazy questions you didn't even know you had.

  • 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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  • What Is Ketosis?

    What Is Ketosis?

    March 25, 2014 | Article

    Ketosis is a temporary physical condition marked by elevated levels of compounds known as ketone bodies in the body's tissues and fluids.
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