• Health & Environment

    Posted on June 29th, 2010

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    Comparing Volcanoes

    Comparing Volcanoes

    The April 14 eruption of Iceland’s Eyjafjallajokull volcano disrupted air traffic over much of Europe and stranded thousands of passengers across the world. The total cost is estimated to be $5 billion in lost GDP through May 24, 2010.

  • Health & Environment

    Posted on June 26th, 2010

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    The Rise of Walking

    The Rise of Walking

    It’s summer, and you may be seeing more people out on the street walking and biking.

  • Health & Environment

    Posted on April 27th, 2010

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    Vampire Energy

    Vampire Energy

    Even when household appliances are turned off, most are still using some electricity. Appliances are either in passive standby mode (the clock on the microwave is still ticking) or active standby mode (the VCR is off, but programmed to record something.