Contents

17 June 2016
Vol 352, Issue 6292

About The Cover

Cover image expansion

COVER Artist's interpretation of RNA activity (the train represents a ribosome). RNA serves many biological purposes: It carries genetic information, regulates gene expression, and functions as a structural component of cells' molecular building machinery. RNA is replete with signals that control its activity, and its pivotal role in the cell has made it an attractive candidate for development as a therapeutic agent. For more on these topics, see the special section beginning on page 1406.
Illustration: Charles Williams/madeup.org