News

  1. Health & Medicine

    Older adults’ brains boosted by more, not better, sleep

    A study finds that older adults perform better on a learning and memory task if they have slept more, while uninterrupted rest matters more for younger folks.

    By Laura Sanders
  2. Health & Medicine

    Brain tells signs from pantomime

    Different brain areas light up when deaf people use American Sign Language than when they gesture.

    By Lisa Grossman
  3. Health & Medicine

    Rapid HIV treatment could slow growing TB rates

    Widespread yearly testing and immediate treatment with antiretroviral drugs could avert more than 6 million tuberculosis cases in Africa, a new model finds.

    By Rachel Ehrenberg
  4. Health & Medicine

    IVF kids show shift in gene activity

    Team finds differences related to metabolism and growth.