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    • What Are the End Stages of Aortic Stenosis?

      What Are the End Stages of Aortic Stenosis?

      Verywell Health via Yahoo News· 24 hours ago

      Symptoms of aortic stenosis often don't occur until there is severe damage to the heart valve. Symptoms of end-stage aortic stenosis include: Chest pain...

    • Rise of the Nanomachines

      Rise of the Nanomachines

      The New Yorker· 1 day ago

      At the time, Santos was at the Centre for Interdisciplinary Research in Paris, studying genes that allow some bacteria to live longer than others. One...