Find Out Why This Beetle Doesn't Explode

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The Bombardier Beetle creates an internal explosion to propel hot, poisonous chemicals at its enemies.  Scientists studying the beetle have shown how it works in an x-ray video of the process. 

Watch How This Tentacled Caterpillar Reacts to Sound

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This Peruvian caterpillar reacts to loud noises with the tentacles on its back.