Top news for December 21, 2008

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El Niño May Be Back This Summer, Bringing Drought and Floods

SpaceX Dragon astronauts make Valentine's Day docking at space station to boost skeleton crew (video)

These Unsinkable Tubes Could Help Harvest Energy From the Ocean

NASA launches twin rocket missions from Alaska to study mysterious black auroras

Trump's Greenland grab is part of a new space race – and the stakes are getting higher

College students who spend hours on social media are more likely to be lonely – national US study - EurekAlert!

Pesticide-free, climate-smart agriculture with “SafeWax”

Ancient fingerprint found on 2,400-year-old Danish war boat

Sun orchids successfully trick bees with false anthers

Scientists discover the enzyme that lets cancer rapidly rewire its DNA