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  1. Health & Medicine

    Virus Shapes Risk of Multiple Sclerosis

    A huge, decade-long study bolsters the link between Epstein-Barr virus and the autoimmune disorder multiple sclerosis by showing that the common infection is more active in people who later develop symptoms of the disease.

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  2. From the January 2, 1932 issue

    CONCRETE RIBBONS TO CARRY TRAFFIC OF GREAT HIGHWAY Thin ribbons of concrete arching through the air, that will carry on a 42-foot wide pavement, traffic of one of the countrys chief east-west thoroughfares, the Lincoln highway, are skillfully depicted in this photograph of the George Westinghouse Memorial bridge nearing completion at East Pittsburgh. The arches […]

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  3. Where Lightning Strikes

    New maps of data from space-based optical sensors reveal the uneven distribution of lightning strikes across the globe.