Researchers from Brigham and Women's Hospital (BWH) have uncovered how North American porcupine quills easily penetrate tissues and why, once lodged in flesh, they are often difficult to remove. The ...
CC0 Usage Conditions ApplyClick for more information. A porcupine's prickly coat of quills is its first line of defense. But what can these small mammals really do with their home-grown needles. A ...
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