Contents

02 February 2007
Vol 315, Issue 5812

About The Cover

Cover image expansion

COVER A protein growth factor (green) travels with the blood past a group of receptors anchored in the plasma membrane of a cell, as visualized by a new computer algorithm. The Gordon Research Conference on Visualization in Science and Education will be held 1 to 6 July 2007 at Bryant University, Smithfield, RI. The schedules for the 2007 Gordon Research Conferences begin on page 671. Image: Graham T. Johnson/fivth.com