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Scimat: Foods Under the Microscope
A technical site that describes different types of microscopes and delves into the chemical makeup of milk, yogurt, various various types of microorganisms. Impressive pictures supplement the text. Links to images of microorganisms.
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Iris Pigmentation Research Info
The focus of this site is the anatomy of the eye. The site include diagrams and slides showing details at the light microscope and electron microscope level.