Contents

22 October 2004
Vol 306, Issue 5696

About The Cover

Cover image expansion

COVER A computational method enables rapid analysis of the blocklike pattern of genetic variation in the mouse genome, which can be used in analyzing mouse models of human disease (see page 690). A special section in this issue of Science explores new approaches to understanding how genes are expressed and how they function. [Image: Myriam Kirkman-Oh]