Although a tiger’s canines may be nearly an inch thick at the base, they still break surprisingly often, and they don’t grow back; these losses can be crippling and are one reason wild tigers may turn to livestock killing and man-eating. As menacing as they appear, tiger fangs are actually delicate instruments—literally, bundles of nerves and blood vessels encased in layers of bonelike dentin, sheathed in enamel and somewhat rounded at the ends. With these four surgical sensors, the tiger has the ability to feel its way through prey, differentiating between bone and tissue types to find the
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