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La Nina Seems to Have Peaked and Is Set to Decline

GENEVA (Reuters) - La Nina, a weather phenomenon usually linked to heavy rains and flooding in Asia-Pacific and South America and drought in Africa, seems to have reached its peak and is expected to fade between March and May, the World Meteorological Organization (WMO) said on Friday. A weak to moderate La Nina pattern has cooled the tropical Pacific since around October, a considerably weaker event than in 2010-11, the United Nations agency said in a statement. [More]

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Record Arctic Ozone Hole Raises Fears of Worse to Come

SINGAPORE (Reuters) - A huge hole that appeared in the Earth's protective ozone layer above the Arctic in 2011 was the largest recorded in the Northern Hemisphere, triggering worries the event could occur again and be even worse, scientists said in a report on Monday. The ozone layer high in the stratosphere acts like a giant shield against the Sun's ultraviolet (UV) radiation, which can cause skin cancers and cataracts

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Bifocal Fish Sees Differently above and below Water Line

“Hey, four-eyes!” That playground taunt is more accurate when applied to Anableps anableps --a fish related to the guppy. It lives in the brackish waters of mangrove swamps in central and South America, and hunts for food at the water's surface..

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Off the Tree, Ready to Eat

Mark Twain called the cherimoya and its cousin the sugar apple “the most delicious fruit known to men.” Though little more than exotic edibles to most Americans, such fruits of the Annona family have been cultivated by people in Central and South America for generations. Even in pre-Columbian times, Annona fruits were enjoyed for their sherbetlike texture and a flavor that resembles a mixture of banana and pineapple

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The Location of Every Single Nuclear Plant in the World

As the Fukushima Daiichi nuclear crisis slowly comes under control, global attention is turning to broader existential questions about nuclear power. Despite providing 6% of the world's power without emissions and fatalities from their nuclear facilities, countries like Germany and China

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