News

  1. Paleontology

    Old Softy: Tyrannosaurus fossil yields flexible tissue

    Scientists analyzing fragments of a Tyrannosaurus rex's leg bone have recovered soft, pliable material, including structures that apparently are cells and blood vessels.

    By Sid Perkins
  2. Health & Medicine

    Plants take bite out of deadly snake venoms

    A Nigerian pharmacologist has found in local plants a potential antidote to some of the world's most deadly snake venoms.

    By Janet Raloff
  3. Health & Medicine

    Flame retardants spark new concern

    Breakdown products in brominated flame retardants, traces of which circulate in the blood of most people, may perturb the normal production of reproductive hormones, a new test-tube study suggests.

    By Janet Raloff
  4. Earth

    Paint additive hammers coral

    A pesticidal additive in the paint applied to ship hulls may be contributing to the worldwide decline of corals.