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2011-04-22 06:50:00

In a new study published in Science magazine, US researchers on Thursday said the hole in the ozone layer over Antarctica is a major driver of climate change and rain increases in the southern hemisphere over the last 50 years. The stratospheric ozone layer, which protects the Earth from harmful solar ultra-violet radiation, has thinned dramatically over the past half-century. The depletion of ozone has shifted the Southern Hemisphere's climate so that dry areas in the subtropics now see 10...

2011-04-21 22:59:47

First time that ozone depletion is shown to impact the entire circulation of the southern hemisphere In a study to be published in the April 21st issue of Science magazine, researchers at Columbia University's School of Engineering and Applied Science report their findings that the ozone hole, which is located over the South Pole, has affected the entire circulation of the Southern Hemisphere all the way to the equator. While previous work has shown that the ozone hole is changing the...


Word of the Day
toccata
  • In music, a work for a keyboard-instrument, like the pianoforte or organ, originally intended to utilize and display varieties of touch: but the term has been extended so as to include many irregular works, similar to the prelude, the fantasia, and the improvisation.
This word is Italian in origin, coming from the feminine past participle of 'toccare,' to touch.
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