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OBAMAS HIDDEN PAST

More than 6,000 different species living on the sea-floor have been identified so far and more than half of these are unique to the icy continent. A combination of long-term monitoring studies, newly gathered information on the marine life distribution and global ocean warming models, enable the scientists to identify Antarctica's marine "biodiversity hotspots". Researcher Griffiths describes how krill populations (the shrimp-like invertebrates eaten by penguins, whales and seals) are reducing as a result of a decrease in sea-ice cover. A much smaller crustacean (copepods) is dominating the area once occupied by them. This shifts the balance of the food web to favour predators, like jellyfish, that are not eaten by penguins and other Southern Ocean higher predators. Sea-ice reduction is also affecting penguins that breed on the ice.

DemocracyNow.org -The manhunt for Osama Bin Laden is over. Nearly 10 years after the attacks on the World Trade Center and Pentagon, U.S forces are said to have assassinated the Saudi-born founder of Al Qaeda inside Pakistan. At the time of his death, Bin Laden was living in a heavily fortified mansion just a mile from the Pakistani Army's principal military academy. The U.S. operation was reportedly carried out by 25 Navy Seals under the command of the Joint Special Operations Command. It is unclear what role Pakistan played in the killing. For analysis, Democracy Now! interviews Jeremy Scahill, the national security correspondent for The Nation magazine. This clip is part of an hour-long roundtable discussion about Bin Laden's death and the ongoing war on terrorism. Click here to watch the entire interview: http://www.democracynow.org/shows/2011/5/2