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The bulletproof vest of the Amazon fish protects against piranhas

Piranhas are among the deadliest creatures in the water, with razor-sharp teeth that can cut meat easily, but a fish in the Amazon basin has developed a "bullet-proof vest" to protect against the unpleasant bite of piranhas. [19659002] Researchers have extensively described the armor of freshwater fish, known as Arapaima gigas . The fish has a tough, though flexible, inner …

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