News

  1. Health & Medicine

    Caring for a spouse with dementia leaves caregiver at risk

    Wives and husbands who attend to mates have greater chance of developing problems themselves, a new study finds.

    By Nathan Seppa
  2. Life

    Light shows fMRI works as advertised

    Optogenetic method validates assumption underlying brain imaging technique.

    By Laura Sanders
  3. Physics

    Record number of photons lassoed into a quantum limbo 

    Physicists entangle five particles, each existing in two states simultaneously.

    By Alexandra Witze
  4. Science & Society

    Students win big at Intel ISEF 2010

    Global high school science competition concludes with top prizes going to projects on cancer-fighting quantum dots, quantum computer algorithms and computer programming.