Word: fecal
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...center's ponds. One innovation: the use of female hormones to encourage spawning. But the biologists there also adhered to the Maoist maxim to "change wastes into treasures and turn harmful into beneficial." They feed the fish animal and even human wastes (after fermentation to kill fecal parasites). Elsewhere, the Chinese are introducing "digesters" (small tanks) that convert biological wastes into methane gas, which in turn powers electrical generators and can be used for cooking. The residue is returned to the soil as a fertilizer...
...thousands of ordinary New Yorkers, the biggest problem afoot has been not fiscal but fecal. Unlike New York City's money troubles, the spread of dog excrement on the streets and parks long seemed insoluble and irreversible. Last week, after years of fruitless public clamor for an ordinance to ban canine littering, a state law went into effect that would levy a $25 fine on dog owners who let their pets defecate in any public area without cleaning up the act; the law applies to cities of more than 400,000. In New York City, 2,500 municipal workers...
...some of them take notes on the sheep wisdom being dispensed by experts. "If you comb the fecal matter out of your fleeces, they will bring higher prices," Bob Stewart, a professional wool buyer for Homestead Woolen Mills, explains to a small crowd, while everyone furiously scribbles down every word...
...Cairo to decide on the best protective measures. The comma-shaped bacterium (Vibrio cholerae) responsible for cholera finds its natural breeding ground in the human bowel, and is excreted in the feces. The disease can be contracted only by drinking-or bathing and washing in-water containing human fecal matter, from fruits or vegetables contaminated by such water, or from food prepared by unclean hands. If all the world's water supplies could be cleaned up, cholera could be virtually wiped out. But that is a visionary goal, and the only preventive now is a vaccine that...
...adapted to a given range of habitats. The set of bacterial strains called E. coli thrive only in the vertebrate gut, and because these cells die out rather quickly in water the E. coli count of a pond or a well is a reliable index of its continuing fecal contamination. In the gut there is intense Darwinian competition between strains, depending on such variables as growth rate, growth requirements, ability to scavenge traces of food, adherence to the gut linings and resistance to antimicrobial factors in the host. Hence most novel strains are quickly extinguished. The mechanism of this extinction...