News

  1. Health & Medicine

    A tooth-enamel protein is found in eyes with a common form of macular degeneration

    Researchers linked a tooth-enamel protein with calcium deposits in eyes suffering ‘dry’ AMD, which could lead to treatments for the vision disorder.

    By Alex Fox
  2. Space

    Astronomers have found the edge of the Milky Way at last

    Computer simulations and observations of nearby galaxies let astrophysicists put a firm number on the Milky Way's size.

    By Ken Croswell
  3. Health & Medicine

    Why some heart patients may be especially vulnerable to COVID-19

    Researchers don’t yet know if the way the coronavirus enters cells may have something to do with the risks to the heart.