Contents

28 September 2018
Vol 361, Issue 6409

About The Cover

Cover image expansion

COVER In balloon art, the sculptor exerts precise forces at specific sites to make identifiable body parts. Likewise, choreographed molecular mechanisms, albeit at a complex and tightly controlled level, enable a few seemingly identical starting cells to transform into a whole animal. This special issue highlights the regulatory mechanisms controlling gene expression, depicted in the background here as a heat map. See page 1330.
Graphic: FOREAL