Uncategorized

  1. Astronomy

    A Low Note in Cosmos: Sounding out a new role for black holes

    Astronomers have for the first time detected sound waves generated by a black hole.

    By Ron Cowen
  2. Health & Medicine

    Control of animal epidemic slowed human illness

    Control measures implemented in response to the devastating animal epidemic of foot-and-mouth disease can apparently help curtail the spread of the cryptosporidium parasite, which sickens people.

    By Ben Harder

  3. 19272

    I read this article with interest. Can you tell me what contributes to these deposits in arteries? Julie WinslettDahlonega, Ga. It’s not ingestion of calcium, at least in people with normal kidney function, says Paolo Raggi of Tulane University in New Orleans.