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From ScienceDaily: Latest Science News:
Researchers at the University of Wisconsin School of Medicine and Public Health are wagging a finger at currently held notions about the way digits are formed. Studying the embryonic chick foot, the developmental biologists have come up with a model that explains how digits grow and why each digit is different from the others. The scientists found that the development and fate of each digit depends on a surprisingly dynamic process in unanticipated locations and involving unexpected players.
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