volcanoes

  • March 3, 2011   BY Talea Miller 

    Known for it’s scenic beauty but plagued by poverty, violence and malnutrition, Guatemala has the second largest indigenous population in the Western Hemisphere. Continue reading

  • John Eichelberger, a volcano expert with the U.S. Geological Survey
    November 30, 2010   BY Jenny Marder  

    It’s time for our weekly Just Ask feature, where the experts tackle your questions on science and technology. John Eichelberger, a volcano expert with the U.S. Geological Survey, answers the question, “Why Does the Earth Have Volcanoes, and What Makes … Continue reading