Among the odder jobs in the U.S. these days is one held by a man in northern Colorado who spends hours following a pronghorn antelope, watching it feed, and then whispering into a tape recorder. Absurd? Hardly. By such surveillance, ecologists are learning the animal's precise relationship to its environment—the grasslands of the American West. In time, the habits of the antelope and countless other creatures will be stored in the data banks of computers. Scientists will then be able to ask a computer what really happens when man changes the grasslands...
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