French nobel laureate Yves Chauvin holds the joint 2005 Nobel Prize for Chemistry at the Concert Hall in Stockholm December 10, 2005. Frenchman Yves Chauvin joined Robert H. Grubbs and Schrock of the U.S. to win the prize for the development of the metathesis method in organic synthesis. (Xinhua/Reuters)	U.S. nobel laureate Richard R. Schrock holds the joint 2005 Nobel Prize for Chemistry at the Concert Hall in Stockholm December 10, 2005.  (Xinhua/Reuters)	U.S. nobel laureate Robert H. Grubbs holds the joint 2005 Nobel Prize for Chemistry at the Concert Hall in Stockholm December 10, 2005.(Xinhua/Reuters)

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