Word: bacteria
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Dates: during 2000-2009
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...excrement, which she'll give back to participants this spring after she and Mother Nature have transformed it into a rich bag of fertilizer. "I've sent a sample in for a coliform test," Klehm says. "There is zero detectable fecal bacteria." (Read a brief history of toilets...
During his time at Harvard, Bjork, who is teaching organic chemistry at the Extension School this semester, has conducted research exploring the anti-cancer effects of certain antibiotics and producing ethanol in bacteria as a possible source of renewable energy with Harvard Medical School genetics professors Jack Szostak and George M. Church as well as ry professor Andrew G. Myers...
...tourists if they could offer freshly caught lake fish on their menus. Over the years, however, the bass ate through nearly the entire food chain, including the the young of the rare Pato Poc duck. Their consumption disrupted the ecosystem and destroyed the organisms that would have kept the bacteria...
Without natural predators, the bacteria needed only a source of food to thrive. That would be phosphorous, which is abundant among the hills and three towering volcanoes around Atitlan. The situation is aggravated by government distribution of chemical fertilizer containing extra phosphorous to poor farmers who liberally apply it to their fields. Widespread deforestation allows the soil to leach into the lake during Guatemala's six-month-long rainy season. (See more about Guatemala...
Even indigenous Mayans' unknowingly feed the bacteria by washing their clothes on lakeshore rocks with soap that contains phosphorous. An overabundance of phosphorous coupled with three weeks of unusually high temperatures - which the government blames on global warming - is a possible reason why the lake is blooming this year...