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  1. Earth

    Earth Views

    The “Global View of the Earth” Web site offers lesson plans and other material for middle school teachers interested in classroom use of images taken by NASA’s Landsat-7 satellite. Students learn about the spacecraft and try to identify “mystery” images–full-color, visible-light images of objects such as airports and bridges, as seen from Landsat more than […]

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  2. Blood Work

    Knowing the identity of every protein in the liquid portion of blood could offer new ways to detect—or even treat and prevent—many diseases.

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  3. Tech

    Chip Collection

    The Smithsonian’s “Chip Collection” Web site offers all sorts of nuggets of information for those interested in the history of integrated circuits.