Can we 3D print rhino horn?

Can we 3D print rhino horn? How do cats eat and purr at the same time?
01 September 2017
Presented by Chris Smith

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Black Rhino at Taronga zoo, Sydney, Australia

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Can we 3D print rhino horn? What is a static shock? How do cats eat and purr at the same time? Where is the Universe expanding into? How do you recover from polio? Plus, a new treatment for leukemia.

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