News

  1. Health & Medicine

    Zapping bone brings relief from tumor pain

    By unleashing radio waves inside bone, researchers have stopped intractable pain in people with cancer that has spread to their skeletons.

    By Nathan Seppa
  2. Health & Medicine

    Bilirubin: Both villain and hero?

    Bilirubin, which causes jaundice in newborns, may protect against cellular damage.

    By John Travis
  3. Astronomy

    Sizing up small stars

    Astronomers have for the first time measured with high precision the size of a small star, Proxima Centauri, the known star nearest to the solar system.

    By Ron Cowen
  4. Physics

    Icicle waves go with the flow

    A new model of icicle growth may explain the strange fact that ripples often found on those icy spikes typically sit about 1 centimeter apart, whether the icicles themselves are big or small.