Uncategorized

  1. Earth

    Snow alga may be sizable carbon sink

    A common microorganism that adds a reddish tinge to some patches of snow may be a significant consumer of planet-warming carbon dioxide.

    By Sid Perkins

  2. 19160

    I found the “stats” about blood donors and patients in this article misleading, with the implication that 8 million volunteer donors are more than enough for 4.5 million patients. A comparison of how many people donate blood during their lives and how many people need blood donations during theirs might have been more informative. We […]

    By Science News
  3. Health & Medicine

    Getting the Bugs Out of Blood

    Researchers are developing methods for inactivating all sorts of pathogens that could be found in blood, including West Nile virus, an emerging infection recently brought to the United States from Africa.