volcanoes

  • sunspots
    October 30, 2014  

    There are two natural fiery wonders currently lighting up the earth and the heavens. The lava flowing from the volcano on Mount Kilauea in Hawaii is moving slowly, but there’s no way to stop it. Meanwhile, there’s a sunspot the size of Jupiter which could potentially cause havoc with the high-frequency communications. Science correspondent Miles O’Brien joins Hari Sreenivasan for more. Continue reading

  • 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