Uncategorized

  1. Health & Medicine

    Dark Side of a Blood Builder: Hormone linked to diabetic blindness

    Erythropoietin, a hormone that orchestrates growth processes, may contribute to eye damage in people with diabetic retinopathy.

    By Nathan Seppa
  2. Anthropology

    A Seasoned Ancient State: Chinese site adds salt to civilization’s rise

    Analyses of remains from an ancient Chinese site situated along a river indicate that salt making occurred there as long as 4,000 years ago.

    By Bruce Bower
  3. Astronomy

    First Supper: X rays may mark eating habits of baby black holes

    Astronomers have evidence that just minutes after their tumultuous birth, baby black holes emit powerful burps of X rays that may be fueled by material left over from their first meal.