News

  1. Mood Brighteners: Light therapy gets nod as depression buster

    Brief periods of daily exposure to bright light are an effective treatment option for depression.

    By Bruce Bower
  2. Tech

    Double bubble comes off in a pinch

    By nestling droplets inside larger droplets, scientists have created a new strategy for encapsulating food additives and fragrances.

    By Alexandra Goho

  3. Frozen in Time: Gas puts mice metabolically on ice

    Researchers have induced a hibernation-like state in mice by exposing them to low concentrations of hydrogen sulfide.

    By Christen Brownlee
  4. Health & Medicine

    Fast Start: Sex readily spreads HIV in infection’s first weeks

    People with HIV are many times more infectious to their sexual partners in the weeks or months just after they acquire the virus than they are later on, a study in Uganda demonstrates conclusively.