News

  1. Materials Science

    Needling Cells: Stem cells could take their cues from silicon nanowires

    Scientists have grown mouse stem cells on a bed of silicon nano-needles, hoping that they will be able to guide the cells' development through electrical stimulation.

    By Alexandra Goho
  2. Paleontology

    Winged dragon

    A quarry on the Virginia–North Carolina border has yielded fossils of an unusual gliding reptile that lived in the region about 220 million years ago.

    By Sid Perkins
  3. Health & Medicine

    Warning Sign: River blindness parasite shows resistance

    The parasitic worm that causes river blindness seems to be developing resistance to the only drug that controls it.

    By Nathan Seppa
  4. Computing

    Mapping a Medusa: The Internet spreads its tentacles

    After tracking how digital information weaves around the world, researchers have concluded that, structurally speaking, the Internet looks like a medusa jellyfish.