12/26/2004:

Intermediate Word:  luau -  (a) stockade  (b) grass skirt  (c) free-standing roofed patio  (d) elaborate cookout
Difficult Word: - gavage   (a)
ad valorum tax on imports  (b) feeding through a stomach tube  (c) practice of milling dimes and similar currency  (d) demeaning gossip
,

Shutdown Of Circulation Pattern Could Be Disastrous: Researchers - SpaceDaily  If global warming shuts down the thermohaline circulation in the North Atlantic Ocean, the result could be catastrophic climate change. The environmental effects, models indicate, depend upon whether the shutdown is reversible or irreversible. "If the thermohaline shutdown is irreversible, we would have to work much harder to get it to restart," said Michael Schlesinger, a professor of atmospheric sciences at the University of Illinois at Urbana-Champaign and a co-author of a report presented at the American Geophysical Union meeting in San Francisco  "Not only would we have the very difficult task of removing carbon dioxide from the atmosphere, we also would have the virtually impossible task of removing fresh water from the North Atlantic Ocean."   
NASA Tracks Impact Of Trees And Insects On Carbon Dioxide Levels - SpaceDaily  "Planting trees on marginal agricultural lands could 'sequester' carbon and offset at least one-fifth of the annual fossil fuel emission of carbon in the United States," said Christopher Potter, a scientist at NASA Ames Research Center in California's Silicon Valley. "Scientists also have found that outbreaks of plant-eating insects may be linked with periodic droughts and heat waves in North America, which can trigger large seasonal losses of carbon dioxide back to the atmosphere." Potter added. "A historical picture is emerging of periodic droughts and heat waves, possibly coupled with herbivorous insect outbreaks."    

Researchers Discover First Evidence Of Microbes Living In A Rock Glacier - SpaceDaily  Scientists have discovered evidence of microbial activity in a rock glacier high above tree line in the Rocky Mountains, a barren environment previously thought to be devoid of life. Williams said the microbial "signature" discovered by the team in the rock glacier, located in the Green Lakes Valley watershed 30 miles west of Boulder, Colo., is similar to that found recently in semi-frozen lakes in the Dry Valleys of Antarctica. "Parts of Antarctica are seen as an analog to environments on Mars by researchers, and we see this rock glacier environment as a new analogue to Antarctica," he said.  





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