News

  1. Neuroscience

    A hit of dopamine sends mice into dreamland

    New results are some of the first to show a trigger for the mysterious shifts between REM and non-REM sleep in mice.

    By Laura Sanders
  2. Health & Medicine

    How to interpret the CDC’s new mask guidelines

    Based on the CDC’s new metrics, most people no longer need to wear masks in most situations, but that could change.

    By Tina Hesman Saey and Erin Garcia de Jesús
  3. Health & Medicine

    Fecal transplant pills helped some peanut allergy sufferers in a small trial

    In a small study, a one-day fecal microbiota transplant allowed some peanut-allergic adults to safely eat one to two peanuts several months later.