News in Brief

  1. Neuroscience

    Food odors are more enticing to sleep-deprived brains

    Sleep deprivation makes the brain more sensitive to food smells.

    By Laurel Hamers
  2. Neuroscience

    More brain differences seen between girls, boys with ADHD

    ADHD looks different in the cerebellums of girls and boys with the condition.

    By Laurel Hamers
  3. Planetary Science

    Extreme gas loss dried out Mars, MAVEN data suggest

    Over the planet’s history, the Martian atmosphere has lost 66 percent of its argon and a majority of its carbon dioxide, according to data from NASA’s MAVEN spacecraft.

    By Ashley Yeager
  4. Oceans

    Thinning ice creates undersea Arctic greenhouses

    Arctic sea ice thinned by climate change increasingly produces conditions favorable for phytoplankton blooms in the waters below, new research suggests.