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08-13-2009, 03:08 PM
Scientists have measured the largest effect of the "weak interaction" -- one of the four fundamental forces of nature -- ever observed in an atom.
More... (http://www.sciencedaily.com/releases/2009/08/090810122137.htm)
More... (http://www.sciencedaily.com/releases/2009/08/090810122137.htm)