Research team unfolds and refolds single molecules of RNA . Distribution on the fly . Bone marrow stem cells may repair vital tissues and organs . Researchers discover adult stem cell that can transform itselfinto nearly any organ in the body . Smart polymers provide size-selective switches to turn proteins on, off .
Proteins are vastly more complicated than previously realized .
Key mechanics of cell membrane fusion revealed . Researchers use cloning technology to produce embryonic stem cell lines from adult mice . Researchers Unfold Single RNA Molecules Using Mechanical Force . DNA microarray technology, data mining help researchers differentiate among patients with multiple sclerosis . How the cell finds its center .