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Emergence

How does the "intelligence" of an ant colony or the stock market arise out of the simple actions of its members?
Publish Date: Topic: NatureNatureBrand: NOVA ScienceNOWNOVA ScienceNOW
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(This video is no longer available for streaming.) The seemingly coordinated movement of a school of fish or a flock of birds is not controlled by any leader. Instead, it emerges naturally as each individual follows a few simple rules, such as go in the same direction as the other guy, don't get too close, and flee any predators. This phenomenon, known as emergence, may someday help experts explain the origin of consciousness and even life itself.

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