News

  1. Health & Medicine

    Antiviral Advance: Drug disables enzyme from hepatitis C virus

    A new drug prevents the replication of the hepatitis C virus.

    By John Travis
  2. Astronomy

    Cosmic Survey: Galaxy map reveals dark business as usual

    The most precise map of how galaxies cluster, pulled together by the tug of gravity, has confirmed that most of the cosmos is in the dark, consisting of 5 percent ordinary matter, 25 percent dark matter, and 70 percent dark energy.

    By Ron Cowen
  3. Earth

    Flaming Out? Days may be numbered for two fire retardants

    The maker of two controversial flame-retardant chemicals has voluntarily initiated negotiations with the federal government to end their production.