News

  1. Physics

    How to walk on water

    Physicists use X-rays to probe how a fluid can support a person's weight.

    By Devin Powell
  2. Health & Medicine

    White dental fillings may impair kids’ behavior

    Effects seen only for fillings that used bis-GMA, a resin derived from bisphenol A.

    By Janet Raloff
  3. Life

    Insulin may be Big Antler hormone

    Extra sensitivity to the hormone in certain developing tissues might give animals their oversized weapons and ornaments.

    By Susan Milius
  4. Life

    Skinny searchers keep fat ants full

    By controlling movement out of an ant nest, researchers discover that ants weigh tubbiness in deciding who hunts for food.