Robert L. Goldstone and a team of researchers at Indiana University have been modeling collective behavior in a laboratory setting to determine how idea propagate in different social arrangements.
Robert L.Goldstone和印第安那大学的一个研究小组在一个实验室中模拟集体行为，希望能找出我们的理念在不同的社会安排中是这样传播的。
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Senator Robert Kennedy broke the news to a crowd in Indianapolis, Indiana.