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  1. Humans

    From the July 22, 1933, issue

    PERKINS OBSERVATORY 69-INCH MIRROR IS THIRD LARGEST Third largest in the world and the first all-American giant telescope, the 69-inch telescope of Perkins Observatory of Ohio Wesleyan University is now in operation. When its mirror was being placed in position just after being coated with silver, the unusual photograph on this weeks cover was taken. […]

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  2. Health & Medicine

    Keeping breathing steady and safe

    Scientists may have found a way to avoid the lowered breathing rate that comes from treatment with morphine or other opiate-based narcotics and anesthetics.

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  3. Astronomy

    Dusty times on Mars

    On July 1, a dust cloud emerged from Mars' Hellas Basin, and 3 days later it had become 1,800 kilometers wide, roughly one-fourth the Red Planet’s diameter.