Contents

21 December 2001
Vol 294, Issue 5551

About The Cover

Cover image expansion

COVER A bright new world of nanocircuitry may now be possible, thanks to recent advances in molecular electronics. In 2001, researchers went beyond basic nanodevices by wiring up the first molecular-scale electronic circuits. See the Breakthrough of the Year special section, beginning on page 2442, and the Editorial on page 2429. 2442 [Illustration: C. Slayden]