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  1. Humans

    From the May 15, 1937, issue

    A new seat of learning, hazards to workers, and a machine with feeling.

    By Science News
  2. Health & Medicine

    Cancer Risk—Understanding the Puzzle

    The news is filled with stories about cancer risk. Some of the information can be confusing and contradictory. How do you know what to believe? This new Web site from the National Cancer Institute cuts through the hype to help you understand the plain and simple truth about cancer risk. Go to: http://understandingrisk.cancer.gov

    By Science News
  3. Chemistry

    Cleaning Treasures: Safer solvents for restoring frescoes

    Solvents in nanoscale droplets can be used to clean centuries-old frescoes, saving them from the unintended consequences of previous restorations.