Tag: Steven Lockley

  • Nation & World

    Researchers discover second light-sensing system in human eye

    New research on blind subjects has bolstered evidence that the human eye has two separate light-sensing systems — one that perceives the familiar visual signals that allow us to see…

    4 minutes
  • Nation & World

    When the blues keep you awake

    Your eyes do more than see. Researchers at Harvard Medical School demonstrated this by showing that your eyes are part of a light reception system that can keep you alert…

    2 minutes
  • Nation & World

    Blue light special

    Jet-setters and shift workers now sit in front of glaring white lights to readjust their body rhythms and avoid sleep and alertness problems. New experiments condcuted by Harvard University researchers…

    1 minute