Contents

14 September 1984
Vol 225, Issue 4667

About The Cover

View down the c axis of the crystal lattice of a triostin A—DNA complex. The DNA complex fragments stack end-to-end to make the diagonal criss-cross array. The empty spaces are solvent-filled channels parallel to the c axis. See page 1115. [Alexander Rich, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139]