Mysteries

  • Why Do Freezing Pipes Burst?

    Why Do Freezing Pipes Burst?

    February 14, 2014 | Article

    Bursting water pipes are a major concern when winter temperatures drop below freezing. But why do freezing pipes burst?
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  • How Do You Get Pink Eye?

    How Do You Get Pink Eye?

    February 11, 2014 | Article

    Pink eye, also known as conjunctivitis, develops when the transparent membrane, or conjunctiva, lining the eyelid and the white part of the eyeball gets inflamed. You can get pink eye from someone else if their bacterial or viral infection passes to you.
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  • What Is Dew Point?

    What Is Dew Point?

    February 11, 2014 | Article

    Compared to relative humidity, dew point is frequently cited as a more accurate way of measuring the humidity and comfort of air, since it is an absolute measurement (unlike relative humidity).
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  • Synchronicity: Definition & Meaning

    Synchronicity: Definition & Meaning

    February 04, 2014 | Reference

    Carl Jung's concept of synchronicity can be boiled down to describing "meaningful coincidences."
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  • What Is Communism?

    What Is Communism?

    January 30, 2014 | Article

    Though the term "communism" can refer to specific political parties, at its core, communism is an ideology of economic equality through the elimination of private property.
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  • When Was Jesus Born?

    When Was Jesus Born?

    January 30, 2014 | Article

    Although millions of people celebrate the birth of Jesus Christ on Dec. 25, most scholars agree that he wasn't born on that day, or even in the year 1 A.D.
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  • What Causes Skin Tags?

    What Causes Skin Tags?

    January 29, 2014 | Article

    The common skin growth called a skin tag, or acrochordon, usually develops in folds of skin and causes little to no harm. Still, these growths can be irritating, and doctors can easily remove them.
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  • When Was the Internet Invented?

    When Was the Internet Invented?

    January 21, 2014 | Article

    Ideas about a technology that could connect people via a global, hardwired network have abounded since at least the 1930s. But the information hub that we know today as the Internet traces its origins back to 1958.
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  • Who Is the Surgeon General?

    Who Is the Surgeon General?

    January 17, 2014 | Article

    The surgeon general of the United States is the leading spokesperson on public health issues for the federal government, nominated by the president and confirmed by the U.S. Senate.
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  • Who Invented the Internet?

    Who Invented the Internet?

    January 15, 2014 | Article

    Technology experts cite various government agencies — as well as a handful of individuals — that have played an instrumental role in inventing what we know today as the Internet.
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