News

  1. Animals

    Male butterflies are driven to drink

    Monarch butterflies that winter in California, especially males that had a demanding day, search out dewdrops as a water source.

    By Susan Milius
  2. Earth

    Cigarette smoke can harm kitty, too

    Compared with animals living in smokefree homes, cats who lived for some time with a smoker at least doubled their risk of developing the feline analog of the cancer non-Hodgkin's lymphoma.

    By Janet Raloff
  3. Tech

    Micromachine runs on nuclear power

    Radioactivity creates electric fields that wiggle a tiny lever.

    By Peter Weiss
  4. Chemistry

    Don’t eat the pepper-flavored paint

    A derivative of the spicy chemical in chili peppers could find its way into a variety of products, including veterinary sutures and fiber optic cables.