News

  1. Animals

    Very brown sheep have a dark side

    Big, dark sheep on a Scottish island are not breaking the rules of evolution after all.

    By Susan Milius
  2. Health & Medicine

    Receptor may be cancer accomplice

    Suppressing a receptor protein called neuropilin-2 slows colon cancer growth in mice.

    By Nathan Seppa
  3. Earth

    Fabulon: Looking less fabulous

    The source of polychlorinated biphenyls found heavily tainting some homes—and their dwellers—appears to be a durable topcoat for hardwood floors that was widely used a half-century ago.

    By Janet Raloff
  4. Materials Science

    Fishy flash

    Fish alter the growth of crystals in their skin, making it supershiny.