microscope

awesome,paper,microscope,invention,science
Via: Economist
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Individual Foldscopes, as Dr Prakash dubs them, are printed on A4 sheets of paper (ideally polymer-coated for durability). A pattern of perforations on the sheet marks out the 'scope's components, which are colour-coded in a way intended to assist the user in the task of assembly—for the Foldscope has no written instructions to guide, or possibly frustrate, the user.
bugs,head lice,science,microscope
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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