News

  1. Physics

    Echoes create an interior map app

    To record size and shape of a room, researchers use a speaker, five microphones and some math.

    By Andrew Grant
  2. Animals

    Oysters may struggle to build shells as carbon dioxide rises

    Ocean acidification could hamper larvae's growth.

    By Erin Wayman
  3. Physics

    Simple invisibility cloaks hide toys, pets, people

    Using everyday materials, two research teams conceal ordinary objects by guiding light around them.

    By Andrew Grant
  4. Health & Medicine

    DSM-5 enters the diagnostic fray

    Fifth edition of the widely used psychiatric manual focuses attention on how mental disorders should be defined.

    By Bruce Bower
  5. Life

    Leprosy bacterium changed little in last millennium

    Genome alterations probably not responsible for decline in disease prevalence.