News

  1. Health & Medicine

    New human virus tied to obesity

    Researchers have identified the second member of a class of human viruses that may increase people's susceptibility to obesity.

    By Ben Harder
  2. Physics

    Magnetism piece fits no-resistance puzzle

    Experimenters have found evidence that a type of magnetic behavior correlated with the onset of zero electrical resistance in some so-called high-temperature superconductors is generic to the whole class of those materials, yielding a possible clue to how the substances lose their resistance.

    By Peter Weiss
  3. Health & Medicine

    Two steps forward, one step back

    Just a few days after the National Institutes of Health announced it was canceling a large AIDS-vaccine trial, researchers reported preliminary results from a new vaccine that appears safe.