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  1. Math

    Spoil-Proofing Elections

    The only way to ensure that the person the voters prefer walks away the winner, mathematicians say, is to fundamentally change voting procedures.

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  2. Humans

    From the March 12, 1938, issue

    An extinct cinder cone captured from above, a mystery gland's connection to male virility, and growing fodder indoors for winter feeding.

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  3. Agriculture

    Switchgrass Science

    A native prairie grass shows promise as a substitute for corn in the production of fuel ethanol—an additive to stretch fossil-fuel resources for transportation. University of Tennessee researchers have produced a video on the science and prospects of switchgrass ethanol that is available in a 26-minute version and an abbreviated form.