Archive: 7/08/2009

NASA Goes Inside a Volcano, Monitors Activity

( -- Scientists have placed high-tech "spiders" inside and around the mouth of Mount St. Helens, one of the most active volcanoes in the United States. Networks such as these could one day be used to respond rapidly ...

dateAug 07, 2009 in Earth Sciences
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Probing Question: Why is the census important?

Every 10 years, the U.S. Census Bureau undertakes a mammoth task: counting all of the people living in the United States and recording basic information such as age, sex, and race. The United States' founders thought these ...

dateAug 07, 2009 in Social Sciences
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