Top news for December 21, 2008

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Blue Origin Lands Booster After Rocket Launch and Matches SpaceX’s Feat

The Dogs of 8,000 B.C. Were Amazingly Diverse

Scientists Trace Lupus to One of The World's Most Common Viruses

NASA, Blue Origin Launch Two Spacecraft to Study Mars, Solar Wind

Scientists Identify Neurons Driving Anxiety – And How to Calm Them

This Sunflower-Based Protein Could Be the Future of Vegan Meat Alternatives

Tiny 95-Million-Year-Old Croc Relative Baffles Scientists With Its Strange Teeth

Scientists find a molecule that mimics exercise and slows aging

Scientists uncover a hidden limit inside human endurance

Sharon Camp, Mother of the ‘Plan B’ Contraceptive Pill, Dies at 81