Uncategorized

  1. Astronomy

    Alien Light: Extrasolar planets are detected in new way

    Two teams of scientists report that they have for the first time directly detected the glow of planets that circle sunlike stars hundreds of light-years from Earth.

    By Ron Cowen
  2. 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
  3. 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
  4. 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.