For the past two years, a group of molecular-biology enthusiasts has met regularly in Cambridge, Massachusetts, to discuss science.
在过去二年，一批分子生物学的狂热者定期在马萨诸塞的剑桥会面，讨论科学。
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Recent discoveries in molecularbiology, however, have opened up prospects for a resolution of the debate.
然而，分子生物学的最新发现为解决这一争论开辟了前景。
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The recent work has been made possible by new techniques of molecularbiology that allow viral DNA to be detected at low concentrations in the environment.