News

  1. 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
  2. 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
  3. Life

    Leprosy bacterium changed little in last millennium

    Genome alterations probably not responsible for decline in disease prevalence.

    By Tina Hesman Saey
  4. Life

    Primitive fish could nod but not shake its head

    Ancient fossils reveal surprises about early vertebrate necks, abdominal muscles.

    By Erin Wayman
  5. Chemistry

    An eel’s glow could illuminate liver disease

    Fluorescent protein binds to bilirubin, a compound the body must eliminate.