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Collective behaviour 集体行为 A group s intelligence depends in part on its members ignorance 集体的 智商 部分取决于成员的无知 HUMAN beings like to think of themselves as the animal kingdom s smartest alecks. It maycome as a surprise to some, therefore, that Iain Couzin of Princeton University believes theyhave something to learn from lesser creatures that move about in a large crowd. As he toldthe AAAS meeting in Washington, DC, groups of animals often make what look like wisedecisions, even when most of the members of those groups are ignorant of what is going on. 人类常常自诩为最聪明的动物。事实真的如此吗?美国普林斯顿大学Iain Couzin认为人类需要向其他生物学习，学习他们的集体行为。正如他在华盛顿美国科学促进会的会议上所说，动物群体往往会做出明智的决定，即便群体中的大多对所发生的事情一无所知。 Coming to that conclusion was not easy. Before lessons can be drawn from critters perchedon the lower rungs of the evolutionary ladder, their behaviour must first be understood.One way to do this is to tag them with devices that follow them aroundmotion-capturesensors, radio transmitters or global-positioning-system detectors that can put a precisefigure on their movements. 得出这个结论并不容易。想要从低等生物上获得研究结果，首先得了解他们的行为。一种做法就是用仪器来捕捉他们的行动，如：动作捕捉感应器，无线电发射器或全球定位系统探测器，这些仪器可以把他们的动作准确记录下来。 | 
