Could Porcupine Quills Help Us Design the Next Hypodermic Needle

Microscopic barbs allow porcupine quills to slice into flesh easily and stay there stubbornly—qualities that could prove useful in medical applications

Could a porcupine quill be fashioned into a needle to administer intravenous fluids, if need be? - Quora

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Barbs make porcupine quills into nasty needles : Nature News & Comment

Porcupine Quills Reveal Their Prickly Secrets, Science

Porcupine Quills Reveal Their Prickly Secrets, Science

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Could a porcupine quill be fashioned into a needle to administer intravenous fluids, if need be? - Quora

Science & Nature News and Features

How porcupines are helping doctors design better needles