科学美国人60秒:Old New England Underground May Be Spry after All
 2018-04-10来源:scientificamerican
        
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	Hi, I’m Scientific American podcast editor Steve Mirsky. And here’s a short piece from the April issue of the magazine, in the section we call Advances: Dispatches from the Frontiers of Science, Technology and Medicine:
Hot Rocks by Shannon Hall
      
              
              
            
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