His lab is now using very short sequences of loose DNA found in seawater to assess the status of marine life. (phe.rockefeller.edu)
One way to do this is to use short sequences of double - stranded RNA to trigger enzymes in the cell to stop any proteins being made that correspond to its sequence. (newscientist.com)
One side of each dumbbell was filled with a different short sequence of DNA labeled with a fluorescent molecule. (scientificamerican.com)