Every year thousands of scientists visit Antarctica. Some study the gas plume from the active volcano, Mount Erebus. Others map the ever-changing ice caves. But they all face the same challenges of working on extreme terrain. Two researchers and a photojournalist discuss how research is done on the frozen continent.
Source: http://www.npr.org/2011/12/30/144485206/exploring-science-at-the-end-of-the-earth?ft=1&f=1007
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