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Porcupine quills offer inspiration for medical devices. Credit: Corbis
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Porcupine Quills Inspire Medical Devices

By learning how barbs on porcupine quills work, scientists may be able to design needles that hurt less.

December 10, 2012
3:15 PM EST
DNEWS VIDEO: Meet the Prehensile-tailed Porcupine, who's more interested in snacking then sticking anyone with his quills.