News

  1. Health & Medicine

    Old antibiotic takes on Alzheimer’s

    An antibiotic that binds copper and zinc may prevent brain deposits that cause Alzheimer's disease.

    By John Travis
  2. 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.

    By John Travis
  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. 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.