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Q&A: Iain Couzin, assistant professor of evolutionary biology at Princeton University

This is one of the most interesting articles I've read on SmartPlanet, becuse one can readily see the implcations for society in many areas.

Mormon crickets do a similar action as locusts, if there is not enough vegetation then they start eating each other. It is one way to keep the population in check with food sources.

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such as locusts swarming and fish schooling, they tend to assume the reasons for those behaviors are the same. That???s not the case.' A vital point, that cannot be repeated too often. Similar behaviours need not necessarily arise from similar causes....

Henri

To learn about the most fundamental cooperative activities among life on earth, cooperation that has gone on for more than a billion years, look up "Quorum sensing".