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...surface to feed. Swarms of krill can be massive - some the size of Rhode Island - so oceanographers have suspected that their movements may cause significant ocean-mixing. But despite numerous attempts, the phenomenon has not been observed since the 2006 study. "Instead, many people studying mixing have not seen large increases in mixing during times krill or other zooplankton migrate," says Michael Gregg, an oceanographer at the University of Washington. (See pictures of aliens of the deep...
...while cash for clunkers has helped out the U.S. auto industry and the environment - two entities that have clearly seen better days - it shouldn't obscure the need for addressing the real green cost of driving: gas prices. It's not the car or truck that adds greenhouse-gas emissions into the atmosphere - it's burning gasoline. There's no denying that it's beneficial for Americans to climb out of their clunkers and into more efficient cars, but what happens if drivers take advantage of the lowered cost of their fuel bill by driving more? The environmental benefits...
...conference will hear proposals for an investigation into the events that saw Hamas eject Fatah forces and take control of Gaza by force in 2007 - with many blaming Dahlan for having at least partly provoked the takeover. Demanding an inquiry and targeting one of his key allies is seen as another means of weakening Abbas' authority. A second target will be Prime Minister Salam Fayyad, a political independent appointed by Abbas at Washington's behest, although against strong opposition from both Hamas and Fatah. (See pictures of Israel's assault on Gaza...
...more effectively compete with Hamas. Unlike Arafat, who framed his negotiation strategy with Israel in revolutionary language (which, of course, heightened Israeli suspicions over his bona fides as a peacemaker), Abbas is unable to couch his positions in the language of struggle, and without Arafat's charisma, he is seen as lacking a clear political vision to offer the Palestinians...
...insistence that his visit had no political agenda. But some observers are skeptical, saying the patriarch was actually in the country to throw spiritual weight behind the Kremlin's attempts to halt Ukraine's move toward Europe and keep it within Russia's sphere of influence. "We've seen more of a Russian state official than a religious figure," says Olexandr Paliy, a historian at the Institute of Foreign Policy at the Ukrainian Ministry of Foreign Affairs' Diplomatic Academy. "The Church is being used as an instrument in the Kremlin's game." (See the top 10 religion stories...