Word: majority
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Dates: during 1970-1979
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...millions of tons of CO2 poured into the atmospheric sewer each day, about half apparently remains there. Still unclear is where the rest goes. The ocean provide a major natural "sink," soaking up much of its solution, as do the world's great forested zones, which sop up CO2 for photosynthesis...
...climate is the product of such a complex mix of factors that it becomes impossibly difficult to isolate just one. For example, climatologists do not yet know the exact role of atmospheric dust. Dust can cool the earth by screening out warming sunlight, as has been noted after major volcanic eruptions like that of Krakatoa in 1883, yet also act as an atmospheric cap keeping in heat. Says Scripps' Charles Keeling: "Dust impedes radiation in both directions. We do not know if the net effect is heating or cooling." No less puzzling is the possible effect on world temperature...
Scientists have long suspected that living or working within earshot of a major airport can be dangerous to health. Studies have linked high noise levels to hearing loss, nervous breakdowns, ulcers, hypertension and birth defects. Now a professor of the University of California at Los Angeles brings worse news: jet noise may kill...
...need to produce ideas on the grand scale, and I think that if someone asked me to design a new universe, I'd be mad enough to undertake it," wrote young Giovanni Battista Piranesi to a friend. Nobody asked him. In fact, nobody asked him to design any major building at all, though he always signed himself Architetto. Instead, he became known to his contemporaries as "the Rembrandt of Ruins...
This year, the 200th anniversary of Piranesi's death, his fame as one of the master etchers of architecture has been enhanced with major exhibitions in London, Venice and the U.S. The most notable show opens this week in the spectacular new East Building of Washington's National Gallery. The largest collection of Piranesi's relatively rare drawings went on display last week at Manhattan's Morgan Library. The Morgan is also publishing a catalogue that will illustrate its entire Piranesi holdings...