News

  1. Brain Training Puts Big Hurt on Intense Pain: Volunteers learn to translate imaging data into neural-control tool

    Using brain-imaging technology, researchers have trained people to control activity in a pain-related brain area by using mental techniques, thus enabling them to reduce the intensity of temporary or chronic pain.

    By Bruce Bower
  2. Astronomy

    Cosmic Expansion: Supernovas shed light on dark energy

    A new study of light from supernovas provides additional hints that dark energy, the mysterious entity revving up the expansion of the universe, might be distributed uniformly throughout space and time.

    By Ron Cowen
  3. Tech

    Reaction in Hand: Microreactor produces radioactive probe in a jiffy

    A miniature chemical reactor that whips up a diagnostic tool could widen the availability of positron-emission tomography (PET) scans.