News

  1. Health & Medicine

    Protein implicated in Parkinson’s disease

    Inhibiting the natural protein cyclo-oxygenase-2, or COX-2, might help fight Parkinson's disease.

    By Nathan Seppa
  2. Physics

    To pack a strand tight, make it a helix

    The optimal way to pack long strings into small spaces is to coil them into helices—particularly the types of helices found in proteins and perhaps DNA.

    By Peter Weiss
  3. Computing

    Tight packaging for digitized surfaces

    A novel digital compression scheme may make it practical to transmit detailed models of three-dimensional surfaces over the Internet.

    By Ivars Peterson
  4. Computing

    Computer grid cracks problem

    A large network of powerful computers solved a 32-year-old optimization challenge known as the "nug30" quadratic assignment problem.