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  1. Archaeology

    Ancient ash flow brought sudden death

    Analysis of the excavation in Herculaneum of the victims of the A.D. 79 eruption of Italy's Mount Vesuvius indicates that when the initial ash flow swept through the city, it arrived so quickly that some residents didn't even have time to flinch.

    By Sid Perkins

  2. Viruses may play a part in schizophrenia

    Scientists have for the first time linked high levels of retroviral activity in the central nervous system to some cases of schizophrenia, a severe mental disorder.

    By Bruce Bower

  3. 18926

    In reference to “Boosting boron could be healthful,” it’s important to note that there’s no risk in aiming for a high-boron diet.