|  | 
         
          | Description: 
             The top images show grids 
            of DNA that position molecules to spell out the letters "DNA". 
            The bottom images show patterned DNA strands. |   
          | Source: 
             Duke University, Ohio State 
            University |   
          | Story:  DNA 
            patterns TRN December 26, 2005
 |   
          | TRN Categories: 
             DNA Technology; Integrated 
            Circuits; Nanotechnology; Biotechnology |   
          | Form: 
             Still |  |