News

  1. Health & Medicine

    Imaging Parkinson’s

    A new brain-imaging technique can supply proof of Parkinson's disease in people whose symptoms fall short of the standard definition of the disease.

    By Nathan Seppa
  2. 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
  3. Health & Medicine

    Bilirubin: Both villain and hero?

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

    By John Travis
  4. 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.