Metamorphosis: Soldier fly and desert beetle
Discovery 
About this episode
<p>Erica McAlister on the innocuous wasp-like black soldier fly, a crown jewel of a fast-growing insect farming industry that's addressing the urgent need to find cheap clean protein. And how Namib Desert beetles have evolved in a very special environment, where the only source of water exists in the air.</p><p>(Image: Desert beetle in Namib desert. Credit: Martin Harvey/Getty Images)</p>
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