Why geysers erupt in irregular intervals
A child’s science column explains geysers, focusing on Old Faithful in Yellowstone as the famous example. It defines a geyser as a hot spring that erupts water and steam, describes underground reservoirs and twisted tubes, and explains why eruptions are not perfectly regular due to the time needed to refill and reheat the tube.
MENTIONED IN THIS ARTICLE
Yellowstone Park
TB Shield Shows Promise in Tuberculosis Family Protection
Public Health Service studied 25 000 contacts of new TB cases. Half received daily isoniazid for a year, the rest got placebos or dummy pills. Early results indicate better protection for those taking the drug.
MENTIONED IN THIS ARTICLE
Public Health Service
Ancient plant compound eyed as cancer clue from mice
A Mediterranean plant Aristolochia indica yields an acid from its family that slowed tumor growth in mice, sparking hopes for a new anti cancer compound class though human benefits and applications remain unproven. Prof Morris Kupchan cautions further tests are needed.
MENTIONED IN THIS ARTICLE
Madras
India
Morris Kupchan
University of Wisconsin
Journal of Medicinal and Pharmaceutical
One Mistake Tops Them All
In Rock Hill South Carolina Dero Cook a Democratic gubernatorial hopeful opened a campaign speech with I am mighty happy to be in Spartanburg which drew laughter as the crowd reminded him he was actually in Rock Hill The piece also notes estimates that the largest ant colonies number about a million inhabitants
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Spartanburg
Rock Hill
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