To study underground bacteria, scientists have been pretty much just digging holes. Until now.
Keywords:Sound,oai:nsdl.org:2200/20110722014820808T,Education,NSDL,Audio/Visual,NSDL_SetSpec_BEN,Graduate,Learn,Learner,Microbiology,High school lower division 9-10,High school upper division 11-12,bacteria,General public & informal education,Undergraduate lower division 13-14,Life Science,sub-surface,Audio,grow,Undergraduate upper division 15-16
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