bugs

Via: Vocativ
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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. 

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Via: PBS
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Here's what you might not know about these banes of childhood: Though other species of lice infest other mammals and even birds, Pediculus humanus capitis lives on the human scalp and nowhere else. A louse spends the first week or so of its life as an egg, or nit, before hatching into a nymph. Over the course of about seven days, the nymph will molt three times, growing bigger each time, until it reaches the adult stage.
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