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By Arron Frood of Nature magazine Has a cheap and effective treatment for chronic pain been lying under clinicians' noses for decades? Researchers have found that a very high dose of an opiate drug that uses the same painkilling pathways as morphine can reset the nerve signals associated with continuous pain--at least in rats. If confirmed in humans, the procedure could reduce or eliminate the months or years that millions of patients spend on pain-managing prescription drugs

You might not think of toting your kids and their gear around in a $100,000 hybrid sports car, but perhaps you should. You'll be the envy of the block

Masters of the martial art of Tae Kwon Do have gotten so lightning-quick that even a team of four judges placed around a competition ring can have a hard time keeping up.