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    Safe drinking water is a privilege in North America.  Though essential to good health, it is often taken for granted.  It is delivered to our homes or offices for our enjoyment with little thought given to where it originated or how it got there.  We expect water to come forth as required.  We expect water to both look and taste good.  And we

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    Villi in the small intestine increase the surface area of the gut, which helps in the absorption of food. Look closely and you'll see some food stuck in one of the crevices.

    Real Image of T4 bacteriophage (a virus) via electron microscope. pic.twitter.com/bDZY93gjfG

    This scanning electron microscope image is from a cactus plant.

    Photograph of a white blood cell attacking a pathogen. Taken with a scanning electron microscope - Imgur

    A scanning electron microscope image of spider silk glands making a thread.

    The eye of a needle, threaded with red cotton. SEM image.

    An electron microscope catches the immune system blooming into action. A white blood cell (red) wraps itself around a mycobacterium tuberculosis, the causative agent of most cases of tuberculosis. Phagocyte, as a white blood cell is known as, comes from the Greek word phagein (to eat), and that's what the cell does, rendering the infectious cell benign.

    One of the ten finalists in the 2012 New Scientist Eureka Prize for Science Photography. This image, 'Another Day in the Life of Arabidopsis', shows a small, six-day-old seedling of Arabidopsis thaliana under a scanning electron microscope and captures the essence of seed germination, the tiny and delicate beginnings of a plant. The image has been artificially coloured to resemble the natural colours of the living seedling. Photo: Mark Talbot

    Being tiny doesn't stop viruses, bacteria, certain insects and other microscopic critters from causing all sorts of misery. But under the microscope, we can see them for what they truly are. This image, made using a scanning electron microscope, shows the free-swimming protozoan Giardia, which causes diarrhea and other symptoms when it infects the small intestine, often as a result of contaminated drinking water.

    Electron Microscope image of DNA

    Cryptosporidium protozoa

    Paramecium - electron micrograph

    Plants seen in the Scanning Electron Microscope. Lichen.

    Silkworm under a colour scanning electron microscope.