News

  1. Physics

    Physics trips up efforts to keep shoelaces tied

    Loose laces are due to inertia and force of feet hitting the floor.

    By Emily Conover
  2. Humans

    Scientists seek early signs of autism

    The search for autism biomarkers, in the blood and the brain, is heating up.

    By Laura Sanders
  3. Health & Medicine

    Genetic risk of getting second cancer tallied for pediatric survivors

    Inherited mutations, not only treatment, affect the chances that a childhood cancer survivor will develop a second cancer later in life.

    By Aimee Cunningham
  4. Archaeology

    Stone Age hunter-gatherers tackled their cavities with a sharp tool and tar

    Late Stone Age hunter-gatherers scraped and coated away tooth decay.