Latest Issue of Science News

May 20, 2000

  • News

    Laser links segue to chemical bonds

    Light can knit matter together until other bonds take over, providing a potentially useful approach to building nanometer-scale structures and materials.
  • News

    Electron cycling in quantum confines

    A lone electron zips around in the tightest circle allowed by quantum mechanics in an extraordinarily small, frigid cyclotron, potentially allowing scientists to nail down some fundamental constants of physics more precisely than ever before.
  • News

    Nervous tics in the heart

    The irregular heartbeats sometimes triggered after a heart attack may be caused by abnormal nerve growth in heart tissue damaged by the attack.
  • News

    Waiting to exhale

    A breath test that measures the activity of an enzyme involved in breaking down drugs in a person's body may help doctors minimize side effects from potent drugs such as docetaxel.
  • News

    New views of Jovian moons

    The Galileo spacecraft has taken the highest-resolution images ever recorded of three of Jupiter's small, innermost moons.
  • News

    Galaxies shine light on dark matter

    Using a cosmic mirage known as gravitational lensing, astronomers have developed detailed maps of the distribution of dark matter, the invisible material believed to make up 90 percent of the mass of the universe.
  • Feature

    Red Snow, Green Snow

    It's truly spring when those last white drifts go technicolor as algae bloom in the snow.