Known for it's scenic beauty but plagued by poverty, violence and malnutrition, Guatemala has the second largest indigenous population in the Western Hemisphere.
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…
By Jenny Marder
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