New insights from the lab of Harvard Medical School microbial geneticist Roberto Kolter reveal previously unknown communication pathways that cause such social phenomenon.

来自哈佛大学医学院实验室的新见解：微生物遗传学家罗伯特·科特勒揭示了造成该集群现象的一种前所未知的细菌间交流途径。

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The Democratic race seems to be focusing on two possible hopefuls, Lawrence County District Attorney Matt Mangino and Jerry Hodge, a former aide to former congressman Joe Kolter (D-Pennsylvania).

CNN: By Stuart Rothenberg