keratin The Present Activists are Using 3D Printing to Save the Rhinos The idea is to flood the markets and drive prices down. Contrary to what you may think, a rhino horn is not made of bone but of keratin – the material found in nails and hair.
The Present Activists are Using 3D Printing to Save the Rhinos The idea is to flood the markets and drive prices down. Contrary to what you may think, a rhino horn is not made of bone but of keratin – the material found in nails and hair.
