News

  1. Earth

    Sandstone structures form without cement

    Lasting sandstone structures form when weighed-down sand locks into stable formations, researchers find in laboratory experiment.

    By Thomas Sumner
  2. Tech

    Wax-coated plastic morphs between soft and stiff

    Heat-controlled materials could serve as skeleton for shape-shifting robots.

    By Meghan Rosen
  3. Health & Medicine

    Organic foods may contain extra antioxidants

    Contrary to previous studies, a new analysis finds that organic crops have nutritional benefits over conventionally grown foods.

    By Beth Mole
  4. Life

    Pregnancy disorder shares aspects with Alzheimer’s

    Misfolded proteins, the hallmark of Alzheimer’s and mad cow diseases, are found in urine of women with preeclampsia.

    By Tina Hesman Saey
  5. Neuroscience

    Obese women struggle to learn food associations

    In a lab experiment, women fail to connect color signal with tasty reward, a deficit that may contribute to obesity.