urlsa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0CAcQjRw&url=http3A2F2Fnews.rice.edu2F20122F062F202Fasymmetry-may-provide-clue-to-superconductivity2F&ei=RjP6VJayJIKENoPTg7gF&bvm=bv.87611401,d