News

  1. Planetary Science

    Probing Jupiter’s big magnetic bubble

    Simultaneous measurements by two spacecraft have probed in greater detail than ever before Jupiter’s magnetosphere, the invisible bubble of charged particles that surrounds the giant planet.

    By Ron Cowen
  2. Health & Medicine

    Lack of nutrient turns flu nasty

    A dietary deficiency in selenium, an essential trace mineral, may cause a usually harmless strain of the flu to mutate into a virulent pathogen.

    By Ben Harder
  3. 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
  4. 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.