Uncategorized

  1. Health & Medicine

    Protein may aid stroke recovery

    Tests in mice have shown that erythropoietin, a red blood cell growth factor, can reverse brain damage caused by strokes.

    By Nathan Seppa
  2. Astronomy

    Hole power

    New computer simulations and observations are adding to the evidence that supermassive black holes control the growth of the galaxies they inhabit, wielding an influence far beyond their gravitational grasp.

    By Ron Cowen
  3. Archaeology

    Pottery points to ‘mother culture’

    The Olmec, a society that more than 3,000 years ago inhabited what is now Mexico's Gulf Coast, acted as a mother culture for communities located hundreds of miles away, according to a chemical analysis of pottery remains and local clays from ancient population sites in the area.