Uncategorized

  1. Astronomy

    Jet Astronomy

    For the first time, scientists have traced the slowing and dimming of X-ray-emitting jets from a black hole.

    By Ron Cowen
  2. Health & Medicine

    Old Drug, New Uses?

    A hormone called erythropoietin, long used to treat anemia, also seems to protect against nerve damage and holds promise as a new therapy for stroke and spinal cord injury.

    By Damaris Christensen

  3. 19151

    While reading your article regarding the primitive antibodies found in lancelets, it occurred to me that complex immune systems might be merely a highly specialized, evolved form of digestion. Presumably, evolutionary adaptation would tend to favor a critter that found a way to consume even those nasty, yucky, infectious microbes.