News

  1. Earth

    California acts on plastic additive

    Korean engineers have developed a replacement for a plasticizer used in polyvinyl chloride that California has just ruled is a known reproductive toxicant.

    By Janet Raloff
  2. Physics

    New type of material that heat can’t bloat

    A newfound material exhibits the desirable property of not expanding when heated over a wide temperature range, but from an apparent cause never seen before—electrons changing positions inside the new compound's crystal structure.

    By Peter Weiss
  3. Health & Medicine

    Cancer drug might fight Alzheimer’s

    Tests in animals show that the cancer drug imatinib mesylate, also called Gleevec, slows formation of the kinds of plaques found in the brains of Alzheimer's patients.