News

  1. Earth

    Dusty workplace may cause change of heart

    Occupational exposure to fine dust can trigger adverse changes in the hearts of even strong, healthy workers.

    By Janet Raloff
  2. Health & Medicine

    Two drugs may enhance recovery from stroke

    Two drugs, levodopa and dextroamphetamine, may help stroke patients to recover the ability to move and speak.

    By Nathan Seppa
  3. Ecosystems

    Fierce invader steals nests from a native fish

    The round goby, a Eurasian fish that has invaded the Great Lakes, is causing the decline of the mottled sculpin by displacing the native from its spawning sites.

    By Ben Harder
  4. Materials Science

    Materials use nitric oxide to kill bacteria

    A novel coating may offer a new way to fend off microbial buildup on catheters, artificial hips, and replacement cardiac valves.