Uncategorized

  1. Physics

    Catching the cell in action

    A light microscope with high resolution may enable scientists to view the 3-D structures within living cells.

    By Tia Ghose
  2. Life

    Sepsis buster

    The Ashwell receptor, a sugar-binding protein on liver cells, helps fight sepsis by clearing blood-clotting factors. The discovery clears up years of mystery surrounding the receptor’s function.

    By Tina Hesman Saey
  3. Earth

    Eddies in the deep Earth

    The flow of molten material in our planet's outer core is the prime source of Earth's magnetic field. Localized blips in the magnetic field suggest this flow can fluctuate rapidly over large areas.

    By Sid Perkins
  4. Humans

    ISEF winners announced

    More than 1,500 young scientists flexed their mental muscles this week at the world's largest high-school science competition.