...evidence of the suspected microbial throngs far below. "I call it small game hunting," said microbiologist Stephen J. Giovannoni, of Oregon State University, one evening. "We've been talking about this for years, but nobody has ever...

...find teeming colonies of underground microbes, scientists said. "But we may have to dig to find it," said Stephen J. Giovannoni, an Oregon State University microbiologist. In a report published Friday in the journal Science, Oregon State...