Uncategorized

  1. Astronomy

    Milky Way gets a new layer

    Astronomers propose that 150 billion corpses of sunlike stars may blanket the visible disk of the galaxy.

    By Ron Cowen
  2. Chemistry

    Questions of Origin

    Two new studies renew controversy about the authenticity of a map that may be the first depiction of North America.

    By Jessica Gorman
  3. Materials Science

    Vision Quest

    Increasing numbers of people with less-than-perfect vision can now wear contact lenses, thanks to innovations in lens design and materials.

    By Corinna Wu
  4. Animals

    Bees log flight distances, train with maps

    After decades of work, scientists crack two problems of how bees navigate: reading bee odometers and mapping training flights.