Word: volcanoe
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...Warning: Volcano Blasting...
...survivor of a volcanic explosion that killed six scientists last year says his colleagues may not have died in vain. Analysis of data collected from the fateful eruption of the Galeras volcano in the Colombian Andes reveals patterns that may help predict precisely when an explosive volcano will erupt...
...volcano and a drought destroy the world's first empire...
...identified a thin veil of volcanic ash, one quarter of an inch thick, underneath 8 to 20 inches of silt. The layers showed no evidence of having been disturbed by earthworms and also showed patterns characteristic of soil that has settled after a dust storm. It looked like a volcano had erupted, perhaps in nearby Turkey, and a long drought had followed...
...volcano cause the ancient drought? "That's unlikely," Weiss says. "Volcanos are not known to generate climatic changes of this duration or intensity." So, with one mystery solved, researchers find themselves trying to explain how a drought can persist for three centuries. At least one thing seems certain. The ancient Mesopotamians did not cause the heavens to dry up. That raises the ominous possibility that it could happen again. And that modern humanity, by dumping pollutants into the atmosphere, is tinkering with a climatic system more complex and random than humans have realized...