News

  1. Brain learns to sharpen its focus

    A brain-imaging study indicates that visual learning intensifies activity in a specific part of the neural gateway for information transmitted from the eyes.

    By Bruce Bower
  2. Astronomy

    Runaway black hole

    Observing a black hole and its visible companion star caroming through our galaxy, astronomers have found the best evidence to date that stellar-mass black holes are born during supernova explosions.

    By Ron Cowen
  3. Materials Science

    Carbon nanotubes beam electrons

    Researchers have taken a step toward using carbon nanotubes as electron sources in devices such as high-resolution electron microscopes.

    By Jessica Gorman
  4. Health & Medicine

    Getting the iron out

    A new oral drug called ICL670 works as well as an injectable treatment in relieving iron overload in the blood.