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  1. Humans

    From the August 15, 1936, issue

    Art fit for a king, healing wounds, and cops and robbers in the blood.

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  2. Microscope Imaging

    The Exploratorium in San Francisco provides images of a wide range of microscopic critters. The Web site also includes breathtaking movies of sea urchin fertilization, frog development, zebrafish embryo growth, and more. Go to: http://www.exploratorium.edu/imaging_station/

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  3. Materials Science

    Logos to Go: Hydrogel coatings provide removable color

    A biodegradable coating could add a temporary splash of color to sports fields, buildings, or even people's bodies.

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  4. Health & Medicine

    Origins of Ache: Immune proteins may yield chronic-pain clues

    People with chronic pain that has no underlying disease have low concentrations of proteins in the cytokine family that restrain inflammation.