News

  1. Ecosystems

    Fly may be depleting U.S. giant silk moths

    A parasitic fly introduced to fight gypsy moths starting in 1906 may be an overlooked factor in the declines of giant silk moths.

    By Susan Milius
  2. Physics

    An electron ruler gauges crystal flaws

    Electrons ricocheting through a crystal now make it possible for scientists to discern shifts in crystal lattices as small as a hundredth of an atom's width.

    By Peter Weiss
  3. Health & Medicine

    New sources and uses for stem cells

    Human skin and scalp tissue may provide a source of neural stem cells.

    By John Travis
  4. Health & Medicine

    Pesticide tied to Parkinson’s disease

    Rodents exposed to massive amounts of the pesticide rotenone develop a condition similar to Parkinson's disease.