Uncategorized

  1. Tech

    Biological transistor built for living computers

    DNA-based switches could be used in diagnosis and treatment of diseases.

    By Meghan Rosen
  2. Life

    Eye drops reduce signs of macular degeneration in mice

    Targeting cholesterol in retina stops rogue blood vessel growth often seen in the vision disease.

    By Tina Hesman Saey
  3. Physics

    Quantum cryptography takes flight

    Successful reading of photon beam sent from airplane may one day lead to encrypted satellite communications.

    By Andrew Grant
  4. Psychology

    Babies’ flexible squeals may enable them to talk later

    Language evolution might have fed off infants’ ability to use certain sounds to express various emotions.

    By Bruce Bower
  5. Health & Medicine

    Bird flu infects three in China

    The H7N9 influenza virus has sickened three people, killing two, in first known human infections.