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In the December 5 Issue:
- TABLE OF CONTENTS
- Climate might be right for a deal: Copenhagen negotiations will take steps toward a climate-stabilizing treaty
- Botanical Whales: Adventures in the Tortugas reveal that seagrass fields need saving too
- Breaking the Speed Limit: Studies examine physiology and technology to better foresee the ultimate edge of human performance
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HISTORIC SHOT
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Historic shot. The two spots show that a beam of protons has for the first time traveled all the way around the 27-kilometer underground ring of the Large Hadron Collider . Engineers steered the beam just before 4:30 a.m. EDT on September 10. The LHC is poised to become the world’s most powerful particle accelerator.Credit: CERN
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