News

  1. Animals

    Mixed Butterflies: Tropical species joins ranks of rare hybrids

    A South American butterfly is one of the few animal species that seems to have arisen via the supposedly rare path of crossing two older species.

    By Susan Milius
  2. Health & Medicine

    Next Line of Defense: New drugs take on resistant leukemia

    Two experimental drugs stop many cases of chronic myeloid leukemia that are resistant to the drug imatinib (Gleevec).

    By Nathan Seppa
  3. Earth

    Cleaning up pollution, whey down deep

    Lab and field tests hint that dairy whey, a lactose-rich by-product of the dairy industry, could be used to clean up underground water supplies tainted by the solvent trichloroethylene.