John asked, "I'd like to know if enough people in the world donated their finger and toe nail clippings, could enough keratin be produced to satisfy the demand and thus stop the poaching of wild animals in Africa?" Mariana Marasoiu spoke with Jon Taylor from Save the Rhino International and Simon Hedges from Asian Arks about whether rhino horn alternatives can help save them... Like this podcast? Please help us by supporting the Naked Scientists