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12-Feb-10
"The US this week achieved a goal that has eluded it since Ronald Reagan's Star Wars programme by knocking out a ballistic missile using a high-powered laser beam mounted on a plane."
12-Feb-10
"MIT analysis shows pledges submitted to the UN falls short of reduction targets by at least 11bn tonnes of CO2"
11-Feb-10
"Mahmoud Ahmadinejad claims Iran is now a 'nuclear state' but insists there is no intention to build nuclear weapons"
11-Feb-10
"Hubble took advantage of the unusual edge-on view of Saturn's rings to simultaneously image the light shows at both poles"
11-Feb-10
"We deal in theories and uncertainty - not egocentric preaching, say Stephen Curry and Bill Hanage"
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