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The structure and mechanical properties of the horns from a desert bighorn sheep, Ovis canadensis, were examined. Horns must be strong and durable as they are subjected to extreme loading impacts, making them superior structural materials. Horns are composed of α-keratin, a fibrous, structural protein found in hair, nails, claws and hooves. Horns have a lamellar structure (2–5μm in thickness) stacked...
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