Porcupines - Spiky and Bizarre


Porcupines may be adorable, but their quills are razor-sharp, designed to impale and next to impossible to remove. But it's not all bad news. Researchers are designing new surgical staples that mimic the quill's shape to better close wounds and promote healing. Check our PBS Sound Field ! Meet Seth Samuel, Deep Look Composer !  SUBSCRIBE to Deep Look ! 




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