Cooling trend.

From literature I've reviewed, there can be significant differences between small-building cooling towers and large cooling towers--at a power plant, for instance ("Pathogen Pathogen

Any agent capable of causing disease. The term pathogen is usually restricted to living agents, which include viruses, rickettsia, bacteria, fungi, yeasts, protozoa, helminths, and certain insect larval stages. Preference: Infected in·fect
tr.v. in·fect·ed, in·fect·ing, in·fects
1. To contaminate with a pathogenic microorganism or agent.

2. To communicate a pathogen or disease to.

3. To invade and produce infection in. amoebas flourish in cooling towers," SN: 8/26/06, p. 133). A large cooling tower is designed with significantly more water circulation, flushing Flushing, part of Queens, New York City, United States
Flushing, former village, now in N Queens borough of New York City, SE N.Y.; chartered 1645, inc. into Greater New York City with Queens in 1898. , and chemical treatment that reduce the potential for pathogens. The researchers should be encouraged to not lump all "cooling towers" in the same category.

SARA Sara or Sarah, in the Bible, wife of Abraham and mother of Isaac. With Rebekah, Rachel, and Leah, she was one of the four Hebrew matriarchs. Her name was originally Sarai [Heb.,=princess]. HEAD, VENTURA, CALIF.

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Author:	Head, Sara
Publication:	Science News
Article Type:	Letter to the editor
Date:	Oct 28, 2006
Words:	76
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