Uncategorized

  1. Paleontology

    Egg-Citing Discovery: Dinosaur fossil includes eggshells

    The first-ever find of shelled eggs inside a dinosaur fossil bolsters ideas about the reptiles' reproductive physiology.

    By Sid Perkins
  2. Humans

    Letters from the April 16, 2005, issue of Science News

    Ax questions, hard answers Another hypothesis for the polish on the Stone Age corundum ax head is that the Stone Age people never had absolutely pure corundum, which indeed would have required diamond to polish (“In the Buff: Stone Age tools may have derived luster from diamond,” SN: 2/19/05, p. 116). It is possible that […]

    By Science News
  3. Health & Medicine

    Smelly garlic: A lung tonic?

    Fresh garlic or its powdered equivalent might prevent a potentially lethal condition in which pulmonary blood pressure is selectively elevated.