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Thursday, March 3, 2011 12:02 AM PST

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Today's Science News: Federal researchers declare eastern cougar extinct NASA's Earth-observing satellite to launch Friday Hawaii board OKs plan for giant telescope Spacewalk No. 2: Astronauts improve space station Eastern Cougar Now Extinct, U.S. Officials Say China says it wants green growth within five years U.S. Security Depends on Energy Innovation A Small Nuclear War Would Stall Global Warming Choices to Be Made in Medical Research Canada's annual seal hunt kicks off New 'Jaguar' Catfish Found in Amazon The nation's weather Discovery Astronauts Upgrade Space Station in Final Spacewalk Gene Therapy Against HIV Not a Proven Cure, Experts Say U.S. Plans Study on Human Health and BP Oil Spill Connection Old enemy — flooding — revisits weary Ohio city Federal researchers declare eastern cougar extinct Wed, 2 Mar 2011 01:04 pm PST AP - The "ghost cat" is just that. Full Story Top NASA's Earth-observing satellite to launch Friday Tue, 1 Mar 2011 09:07 am PST AP - NASA has picked a new launch date for its newest Earth-orbiting satellite more than a week after a glitch led to a last-minute scrub. Full Story Top Hawaii board OKs plan for giant telescope Sat, 26 Feb 2011 04:18 pm PST AP - Hawaii has moved a step closer to the construction of the world's largest telescope on the summit of Mauna Kea. Full Story Top Spacewalk No. 2: Astronauts improve space station Wed, 2 Mar 2011 04:54 pm PST AP - Discovery's astronauts took one final spacewalk at the International Space Station on Wednesday to get the outpost squared away before the shuttle program ends. Full Story Top Eastern Cougar Now Extinct, U.S. Officials Say Wed, 2 Mar 2011 04:35 pm PST LiveScience.com - The eastern cougar, a subspecies of North America's largest cat, was declared extinct by the U.S. Fish and Wildlife Service today (Mar. 2). Full Story Top China says it wants green growth within five years Wed, 2 Mar 2011 08:25 pm PST AFP - China, the world's biggest polluter, plans to "go green" in the next five years, emphasising energy efficiency and the battle on its choking pollution in its plans to revamp the economy, experts say. Full Story Top U.S. Security Depends on Energy Innovation Wed, 2 Mar 2011 04:35 pm PST LiveScience.com - WASHINGTON — Future U.S. security may depend upon energy innovations that reduce dependence upon foreign oil. But the former Silicon Valley entrepreneur who heads the U.S. government's advanced-energy initiative said clean-energy technologies also will represent the biggest business opportunity in the coming decades. Full Story Top A Small Nuclear War Would Stall Global Warming Wed, 2 Mar 2011 04:34 pm PST LiveScience.com - NASA computer models reveal what a small, regional nuclear war in one part of the world would do to the global climate and environment. The results are grim. Full Story Top Choices to Be Made in Medical Research Wed, 2 Mar 2011 10:06 am PST ContributorNetwork - COMMENTARY | As individuals, as a nation and as one country in a world of many, we must search our consciences while at the same time facing reality when it comes to the area of medical research. What price are we willing to pay to get new drugs to the market? An international bioethics panel has been chosen to help answer that question. Full Story Top Canada's annual seal hunt kicks off Wed, 23 Feb 2011 03:19 pm PST AFP - Canada's controversial annual seal hunt was expected to get underway Thursday off Hay Island, Nova Scotia after bad weather delayed its opening by one week, the fisheries department said. Full Story Top New 'Jaguar' Catfish Found in Amazon Wed, 2 Mar 2011 04:35 pm PST LiveScience.com - In a previously unexplored area of the Amazon rain forest, scientists have discovered a new species of catfish swimming in a tributary to the great Amazon River. Full Story Top The nation's weather Wed, 2 Mar 2011 06:38 am PST AP - The Northwest will continue to see wet weather Wednesday as a Pacific storm pounds the coastline. Full Story Top Discovery Astronauts Upgrade Space Station in Final Spacewalk Wed, 2 Mar 2011 03:01 pm PST SPACE.com - HOUSTON – Two Discovery shuttle astronauts floated outside the International Space Station on one last spacewalk today  (March 2) to help prime the orbiting lab for the years ahead after NASA's shuttle fleet retires. Full Story Top Gene Therapy Against HIV Not a Proven Cure, Experts Say Tue, 1 Mar 2011 08:48 pm PST HealthDay - TUESDAY, March 1 (HealthDay News) -- Experts are reacting with cautious optimism to the announcement Monday that researchers reconfigured immune cells so that they became resistant to HIV in six patients infected with the virus. Full Story Top U.S. Plans Study on Human Health and BP Oil Spill Connection Wed, 2 Mar 2011 03:15 pm PST ContributorNetwork - The Gulf of Mexico Oil Spill last year was considered one of the worst in U.S. history, but still scientists are studying how the area will be impacted even years from now. Recent and cutting-edge research has shown that although microorganisms are consuming the oil, layers of it are still stuck to the ocean floor and killing sea creatures suffocating on the dense oil. Full Story Top Old enemy — flooding — revisits weary Ohio city Tue, 1 Mar 2011 12:55 pm PST AP - Jarrod Steffan loaded his kayak with fans and shuttled them across his flooded street Tuesday to begin drying out his house. It was a drill he knew all too well. Full Story Top

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