Word: toxication
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...railroad tank car rupture in Somerville sent a huge white cloud of toxic gas drifting over parts of that city, Cambridge and Boston yesterday, forcing thousands to flee their homes and jobs, and sending 100 victims to local hospitals. local hospitals...
...start in just one of the body's billions of cells, triggered by a stray bit of radiation, a trace of toxic chemical, perhaps a virus or a random error in the transcription of the cell's genetic message. It can lie dormant for decades before striking, or it can suddenly attack. Once on the move, it divides to form other abnormal cells, outlaws that violate normal genetic restraints. The body's immune system, normally alert to the presence of alien cells, fails to respond properly; its usually formidable defense units refrain from moving in and destroying the intruders. Unlike...
...into boosting its own manufacture of IF by injecting inducers, usually double strands of synthetic RNA* that resemble viruses. The method was tried in the 1960s by Maurice Hilleman and others at the Merck Institute. But inducers were virtually abandoned when they proved largely ineffective and, on occasion, highly toxic. A new inducer, though, has been showing some promising early results...
...effects spread beyond the lakes. In some areas, humans may also be affected. In the Lac la Croix lake system of Ontario, where the Ojibway Indians fish for their livelihood, catches are showing high levels of mercury. Reason: the toxic metal, ordinarily concentrated in sediment, changes into an organic form, methyl mercury, in acid water and is then easily absorbed by the fish. While the threat to plants is not as well understood, acid rain can eat away at leaves, leach nutrients from the soil, interfere with photosynthesis, and affect the nitrogen-fixing capabilities of such plants as peas...
...have any evidence to support your claim that the Vietnamese are using toxic gas against...