Contents

02 August 2019
Vol 365, Issue 6452

About The Cover

Cover image expansion

COVER A tomato seedling engineered with the genome editor CRISPR to resist a bacterial disease sprouts in a Beijing laboratory. China is at the forefront of applying CRISPR to improve crops, and its scientists also are creating disease models in several species, as well as pig organs for transplantation into people. Another use, editing human embryos, triggered an international scandal. See page 420.
Photo: Syngenta Beijing Innovation