Could Porcupine Quills Help Us Design the Next Hypodermic Needle?, Science

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

Facts About Porcupines

Porcupine Quills Are Inspiring Safer Healthcare

Porcupine-QuillsPrickly-Power

Why A Snoot-full Of Porcupine Quills Can Be A Serious Matter

Porcupine Facts - Animals of the World - WorldAtlas

Learning from a porcupine's quills, Science Wire

Porcupine Quills Reveal Their Prickly Secrets, Science

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

What animals can kill porcupines and how do they do it? How can they get past the quills? - Quora

From nature to additive manufacturing: Biomimicry of porcupine

Porcupine Quills Reveal Their Prickly Secrets, Science

Barbed Porcupine Quills Could Help Enhance Various Biomedical Devices

Do porcupine quills hold the secret to lighter, stronger materials

North American Porcupine • Brandywine Zoo